72-7730 CALIBRATED TENMA, 72-7730 CALIBRATED Datasheet
72-7730 CALIBRATED
Specifications of 72-7730 CALIBRATED
72-7730 CALIBRATED Summary of contents
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... Model 72-7730 OPERATING MANUAL ...
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Model UT71A/B: OPERATING MANUAL CHAPTER TITLE 1. Before You Start Overview Unpacking Inspection Safety Information Rules For Safe Operation International Electrical Symbols 2. Getting Acquainted Turning the Meter On Battery Considerations Automatic Power Off Automatic Backlight Off Low Battery Indication ...
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... B. Measuring Currents C. Measuring Resistance D. Testing for Continuity E. Testing Diodes F. Measuring Capacitance G. Measuring Frequency / Duty Cycle H. Measuring Temperature I. 4~20mA loop current as % readout 4. Using Stores, Recall and Send Features Introduction Storing and Clearing Readings Recalling Stored Readings Using Send Model 72-7730: OPERATING MANUAL PAGE ...
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... Model 72-7730: OPERATING MANUAL CHAPTER TITLE 5. Changing the Default Setting Introduction Selecting Setup Options 6. Maintenance A. General Service B. Replacing the Fuses C. Replacing the Battery 7. Specifications Safety and Compliances Physical Specifications General Specifications Feature Summary Basic Specifications Detailed Accuracy Specifications A. DC Voltage B. AC Voltage C ...
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... CHAPTER 4 Model 72-7730: OPERATING MANUAL TITLE D. AC Current E. Resistance F. Continuity Test G. Diode Test H. Capacitance I. Frequency J. Temperature Degrees Celsius Fahrenheit K. 4~20mA loop current PAGE ...
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... To avoid electric shock or personal injury, read the “Safety Information” and “Rules for Safe Operation” carefully before using the Meter. Digital Multimeter 72-7730 (hereafter referred to as “the Meter” 20000 counts and 4 1/2 digits with steady operations, fashionable structure and auto ranging instrument. They all not only can measure AC voltage and current, ...
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... Item 1 English Operating Manual 2 Test Lead 3 K-Type (nickel chromium ~ nickel silicon) Point Contact Temperature Probe (It is only suitable for measuring temperature under 230ºC (72-7730 only) 4 Alligator Clip 5 Test Clip 6 USB interface cable 7 CD-ROM (Installation Guide & Computer Interface Software) ...
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... Model 72-7730: OPERATING MANUAL Safety Information This Meter complies with the standards IEC61010 safety measurement requirement: in pollution degree 2, overvoltage category (CAT. III 1000V, CAT.IV 600V) and double insulation. CAT. III: Distribution level, fixed installation, with smaller transient overvoltage than CAT. IV CAT.IV: Primary supply level, overhead lines, cable systems etc ...
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... Replace the battery as soon as the battery indicator appears. With a low battery, the Meter might produce false readings that can lead to electric shock and personal injury. 8 Model 72-7730: OPERATING MANUAL l When servicing the Meter, use only the same model number or identical electrical specifications replacement parts. ...
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... Model 72-7730: OPERATING MANUAL International Electrical Symbols Symbols used on the Meter and in this manual are explained in Table1-2. Table 1-2. International Electrical Symbols Measurement DC Measurement AC Measurement Grounding Double Insulated Warning. Refer to the Operating Manual Deficiency of Built-In Battery Conforms to Standards of European Union 9 ...
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... Model 72-7730: OPERATING MANUAL Getting Acquainted The automatic power off is preset to 10 minutes. From the Setup menu (see Chapter 5), you could specify a time (10 minutes, 20 minutes, 30 minutes or OFF). If you set to OFF, the Meter retains on until you turn the rotary switch to OFF or the battery becomes too weak ...
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... Model 72-7730: OPERATING MANUAL Low Battery Indication A constant battery icon ( ) in the upper left corner of the display notifies you that the batteries are low and should be replaced. Warning To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as ...
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... Turn the Meter off DC voltage measurement V AC voltage measurement V mV (UT71A only) DC millivoltage measurement millivoltage measurement (72-7730 only) 12 Model 72-7730: OPERATING MANUAL Table 2-1. Rotary Switch Selections None None None None l Frequency measurement l Frequency signal duty cycle measurement Blue Key Function ...
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... Model 72-7730: OPERATING MANUAL Rotary Rotary Switch Function Switch Position Resistance measurement Capacitance measurement Hz % Frequency measurement (72-7730 only) ºC ºF Centigrade temperature measurement µA DC current measurement (200µA , 2000µA) mA (UT71A only) DC current measurement (20mA , 200mA current measurement (20mA , 200mA) (72-7730 only) ...
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... RECALL). The second additional feature appears on the right hand side above the appropriate keys. The RANGE and EXIT buttons has only one additional feature. 14 Model 72-7730: OPERATING MANUAL RECALL STORE ), press once the button again while the Meter has ...
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... Model 72-7730: OPERATING MANUAL Button Range feature: Exit AUTO and enter MANUAL ranging. In MANUAL, select SETUP next input range. EXIT to return to AUTO. AUTO is default. RANGE Testing resistance signal from calibrator: When testing resistance signal from calibrator necessary to press this button to change the maximum display to 4000 counts but the accuracy remains unchanged ...
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... Press HOLD to freeze the displayed value. Press EXIT to release the display. Peak Hold feature: Press to access Peak Hold feature, the primary display shows PEAK HOLD. Press EXIT to exit. 16 Model 72-7730: OPERATING MANUAL Table 2-2. Functional Buttons Description Press the button once after entering Setup mode. Press the button once ...
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... Peak HOLD l In Setup, each press to select the digit you want to edit. HOLD l In Recall, press to enable SEND feature (72-7730 only Store, press to toggle between clearing all the stored reading or start storing reading from the current index number. (72-7730 only) Press to exit certain button functions and the Meter will return ...
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... In Recall, each press to go back to the previous stored reading. In Store, each press to decrease a second on the storing interval. Press EXIT to exit 18 Model 72-7730: OPERATING MANUAL Table 2-2. Functional Buttons Description Press the button once. Press the button once after entering SEND mode. ...
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... Model 72-7730: OPERATING MANUAL Button Press to enter relative mode, the primary display shows The left secondary display shows the present measurement REL value. The right secondary display shows the stored value. The primary display shows the present measurement value minus the stored value. ...
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... It is faster when the Meter is at 4000 counts measurement mode. After the Meter is resuming from Automatic Power Off or turn on and off again, the Meter will back to normal measurement mode (20000 counts). 20 Model 72-7730: OPERATING MANUAL Table 2-2. Functional Buttons Description Access Method Press the button once ...
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... Model 72-7730: OPERATING MANUAL The Meter Functions Vs Displays Table 2-3 shows the cross reference of function and display: Function Primary Display The tested DC voltage value DCV The tested AC voltage value ACV The tested DCmV value DCmV The tested resistance value The tested resistance value ...
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... The tested DC current value The tested AC current value ACA STO The current measurement (72-7730 only) reading 22 Model 72-7730: OPERATING MANUAL Table 2-3 Functions Vs Displays Right Secondary Display Full range: 200, 2000 The tested frequency value: 45.00Hz~10.00kHz Full range: 20, 200 No display Full range: 200, 2000 The tested frequency value: 45 ...
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... Model 72-7730: OPERATING MANUAL Function Primary Display RCL The recalled value (72-7730 only) Chapter 2 Getting Acquainted – Using MAX MIN MAX MIN REL The present measurement value minus the stored value Table 2-3 Functions Vs Displays Right Secondary Display The total number of stored value. ...
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... RANGE. Return to autoranging by press EXIT. Note that there is no MANUAL ranging on REL feature. Understanding the Display Display features are shown in Figure 2-2 and described in Table 2-4. 24 Model 72-7730: OPERATING MANUAL Figure 2-2. Display Features ...
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... Model 72-7730: OPERATING MANUAL No. Symbol 1 Maximum reading displayed. MAX Minimum reading displayed MIN 2 The sequence of the reading. No ºC, ºF 3 Degrees Celsius (default) or Fahrenheit. (72-7730 only) 4 Indicates negative reading 5 The battery is low. Warning: To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator appears ...
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... Kilohertz. 1x10 3 or 1000 hertz MHz: Megahertz, 1x10 6 or 1,000,000 hertz. mV Volts. The unit of voltage. mV: Millivolt. 1x10 -3 or 0.001 volts µA, mA Amperes (amps). The unit of current. mA: Milliamp, 1x10 -3 or 0.001 amperes. µA:Microamp.1x10 -6 or 0.000001 amperes. 26 Model 72-7730: OPERATING MANUAL Table 2-4. Display Features Meaning ...
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... Model 72-7730: OPERATING MANUAL No. Symbol 9 nF,µF, Farad. The unit of capacitance nF: Nanofarad. 1x10 -9 or 0.000000001 farads. mF µF:Microfarad.1x10 -6 or 0.000001 farads. mF: Millifarad. 1x10 -3 or 0.001 farads. 10 Automatic power off feature Continuity test 12 Data store is on STO (72-7730 only) Data recall is on (72-7730 only) ...
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... Peak hold mode is active 20 Diode test Frequency signal duty cycle. l 4~20mA loop current as % reading 22 OL The input value is too large for the selected range. 23 Analogue Bar Graph Provides an analog indication of the present input, quick response. 28 Model 72-7730: OPERATING MANUAL Table 2-4. Display Features Meaning ...
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... Model 72-7730: OPERATING MANUAL Analogue Bar Graph The bar graph provides an analogue indication of the measured input. For most measurement functions, the bar graph updates 10 times per second. Using MAX MIN The MAX MIN mode stores minimum (MIN) and maximum (MAX) input values. When the input goes ...
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... Press the BLUE button to access these alternate functions. A. Measuring Voltages Warning To avoid harms to you or damages to the Meter from electric shock, please do not attempt to measure voltages higher than 1000V, although readings may be obtained. 30 Model 72-7730: OPERATING MANUAL Chapter 3 Figure 3-1. Voltages Measurement ...
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... Insert the red test lead into the V terminal and the black test lead into the COM terminal. 2. UT71A: Set the rotary switch 72-7730: Set the rotary switch Connect the test leads across with the object being measured. 4. The measured value shows on the display. ...
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... If you are using the A terminal, set the rotary switch to A .If you are using mAµA terminal, set the rotary µA switch to for currents below 20000µ (UT71A) or (72-7730) for current mA above 20000µA. 32 Model 72-7730: OPERATING MANUAL Figure 3-2. Currents Measurement ...
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... Model 72-7730: OPERATING MANUAL 4. DC measurement is default, press blue button to select AC measurement. 5. Open the circuit path to be tested. Touch the red testing leads to the more positive side of the break; touch the black probe to the more negative side of the bread. Reversing the leads will produce a negative reading, but will not damage the Meter ...
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... Set the rotary switch to ; press BLUE button to select measurement mode. 3. Connect the test leads across with the object being measured. The measured value shows on the display. The BLUE button cycles among resistance, continuity, and diode. 34 Model 72-7730: OPERATING MANUAL Figure 3-3. Resistance Measurement ...
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... Model 72-7730: OPERATING MANUAL Note l When measuring low resistance, the test leads can add 0.1 to 0.2 of error to resistance measurement. To test the leads, touch the probe tips together and read the resistance of the leads. If necessary, you can press REL to automatically subtract this value. ...
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... Open circuit voltage around –1.2V and range is 400 measurement range. l When continuity testing has been completed, disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals. 36 Model 72-7730: OPERATING MANUAL Figure 3-4. Continuity Test ...
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... Model 72-7730: OPERATING MANUAL E. Testing Diodes Warning To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V rms AC. To avoid damages to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before testing diodes. ...
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... The unit of diode is volt (V), displaying the positive- connection voltage-drop value Model 72-7730: OPERATING MANUAL l When diode testing has been completed, disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals. ...
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... Model 72-7730: OPERATING MANUAL F. Measuring Capacitance Warning To ensure accuracy, the Meter inside is discharged against the tested capacitor. “DIS.C” will be shown on the display when it is under discharging, this process will be quite slow. To avoid damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before measuring capacitance ...
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... Capacitors larger than 400¦ÌF take longer time. The analogue bar graph shows the time left before finishing the measurement. 40 Model 72-7730: OPERATING MANUAL l When capacitance measurement has been completed, disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals of the Meter ...
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... Model 72-7730: OPERATING MANUAL G. Measuring Frequency / Duty Cycle Warning To avoid harms to you, please do not attempt to input voltage higher than 30V rms. To measure frequency and duty cycle, connect the Meter as Figure 3-7 and do the following: 1. Insert the red test lead into the Hz terminal and the black test lead into the COM terminal ...
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... The requirement of Input amplitude “a” follows: When 10Hz~40MHz: 200 mV >40MHz: Un-specified l When Hz measurement has been completed, disconnect the connection between the testing leads and the circuit under test and remove the test leads away from the input terminals 30Vrms; Model 72-7730: OPERATING MANUAL ...
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... Model 72-7730: OPERATING MANUAL H. Measuring Temperature (72-7730 only) Warning To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V rms AC. To measure temperature, set up the Meter as shown in Figure 3-8 and proceed the following. 1. Set the rotary switch to ºC ºF, the display shows OL. ...
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... Meter. I. 4~20 mA loop current as % readout (72-7730 only) It shows the mA measured value or output level 4-20mA scale. To use 4~20mA Loop feature, connect the Meter as follows: 1 ...
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... Introduction Chapter 4 shows you how to use stores, recall and communication features available on the Meter. Please note that Data stores and recall features are available only on the 72-7730. Storing and Clearing Readings To store readings, proceed as follows: l Press STORE once, STO and “no.xxxx” appears to confirm the operation and the left secondary display shows the current measurement reading ...
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... After the data transferring is completed, the SEND feature will be disabled automatically. l Press + or - button to view additional stored reading. Press and hold RECALL to access quick recalling. l Press EXIT to exit recalling. 46 Model 72-7730: OPERATING MANUAL Using Send When using a Send feature, please refer to the Installation Guide of the included CD-ROM. ...
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... Model 72-7730: OPERATING MANUAL Introduction The Meter allows you to change the default operating configuration of the Meter by changing setup options made at the factory. These settings are stored and can be changed in the Setup mode using the procedure described in this chapter. Selecting Setup Options To enter the Setup mode, turn the Meter on and press and hold SETUP button for over 1 second ...
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... OFF 1 OFF OFF 48 Model 72-7730: OPERATING MANUAL Table 5-1. Setup Selections Factory Default OFF Over the upper limits, beeps not continuously. OFF Over the lower limits, beeps not continuously. 10 mins 10 mins power off 20 mins power off 30 mins power off Power off feature is disabled ...
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... Model 72-7730: OPERATING MANUAL Selection Option Analogue Zero is in the left hand side. Bar Zero is in the center Graph Saving Setup Options At each setup Option, store your choice and exit setup by press EXIT, advance to the next Option by press +. To exit the Setup mode without saving the present Option, press Setup. ...
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... Turn the Meter to OFF when it is not in use. l Take out the battery when it is not using for a long time not use or store the Meter in a place of humidity, high temperature, explosive, inflammable and strong magnetic field. 50 Model 72-7730: OPERATING MANUAL Chapter 6 Maintenance ...
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... Model 72-7730: OPERATING MANUAL B. Replacing the Fuses Warning To avoid electrical shock or arc blast, or personal injury or damage to the Meter, use specified fuses ONLY in accordance with the following procedure. Follow Figure 6-1 and proceed as follows to replace the Meter’s fuse: l Turn the rotary switch to OFF and remove all connections from the terminals ...
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... Remove the screw from the battery compartment, and separate the battery compartment from the case bottom. l Replace with a new 6F22 9V battery. l Rejoin the case bottom and battery compartment, and reinstall the screw. 52 Model 72-7730: OPERATING MANUAL ” appears. Figure 6-2. Battery Replacement ...
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... Model 72-7730: OPERATING MANUAL Safety and Compliances Maximum Voltage between any Terminal and Grounding Certification Compliances Fused Protection for µAmA input terminal: Fused Protection for A input terminal: Specifications Refer to different range input protection voltage IEC 61010 CAT.III1000V, CAT.IV 600V overvoltage and double insulation standard 0 ...
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... Relative Humidity Battery Type Electromagnetic Compatibility Dimensions ( Weight 54 Model 72-7730: OPERATING MANUAL Digital: 20000 counts on primary display; updates 2-3 times / second. 2000 counts on two secondary displays. Analog: 40 segments; updates 10 times / second. 0ºC~40ºC (32ºF~104ºF) -10ºC~50ºC (14ºF~122ºF) 75% @ 0ºC~30ºC below; ...
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... Model 72-7730: OPERATING MANUAL General Specifications Range Polarity Overloading Battery Deficiency Auto Auto Display OL (For 72-7730 only: except at 4~20mA Loop range which display HI or LO) Display 55 ...
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... Continuity Bar Graph Duty Cycle MAX MIN Mode Battery Access Door 56 Model 72-7730: OPERATING MANUAL Primary: 20,000 counts Left Secondary: 2000 counts Right Secondary: 2000 counts Bar Graph: 40 segments, updates 10 times / second Bright backlight for clear readings in poorly lighted areas. The Meter automatically selects best range ...
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... AC Voltage: UT71A: 0.8%, 72-7730: 0. 10A (5~10A for 10 seconds, interval 0 to 10A (5~10A for 10 seconds, interval 0 to 20M 0 to 20mF 0~200MHz -40ºC~1000ºC (-40ºF~1832º 100 readings for 72-7730 may be saved by the user in a memory. These readings may be viewed by using Recall feature. 15 minutes) 15 minutes) 57 ...
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... Accuracy: ([% of reading] + [number of least significant digits), guarantee for 1 year. Operating temperature: 18ºC~28ºC Relative humidity: 75% Voltage Range Resolution 200mV 0.01mV 2V 0.0001V 20V 0.001V 200V 0.01V 1000V 0.1V 58 Accuracy Overload Protection UT71A 72-7730 (0.05%+5) (0.1%+8) (0.08%+5) (0.15%+8) (0.1%+8) Model 72-7730: OPERATING MANUAL Input Impedance Around 2.5G 1000V Around 10M ...
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... Model 72-7730: OPERATING MANUAL B. AC Voltage (AC+DC measurement is available) Range Resolution 2V 0.0001V 1kHz~10kHz 10kHz~100kHz 20V 0.001V 1kHz~10kHz 10kHz~100kHz 200V 0.01V 1kHz~10kHz 10kHz~100kHz 1000V 0.1V 5kHz~10kHz Accuracy Bandwidth UT71A 45Hz~1kHz (0.8%+40) (1.8%+40) (7%+40) 45Hz~1kHz (0.8%+40) (2%+40) (7%+40) 45Hz~1kHz (0.8%+40) (5%+40) Not Specified 45Hz~1kHz (1 ...
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... A residual reading of 80 digits with test leads shorted, will not affect stated accuracy. d) When frequency is lower than 100kHz, the accuracy guarantee range 10%-100%. e) When making AC+DC measurment, the accuray need to add (1%+ 35 digits) of reading based on the above table. 60 Model 72-7730: OPERATING MANUAL ...
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... Model 72-7730: OPERATING MANUAL C. DC Current Range Resolution 200µA 0.01µA 2000µA 0.1µA 20mA 0.001mA 200mA 0.01mA 10A 0.001A Remarks: At 10A range: l When the measured current is 5A, continuous measurement is allowed. l When the measured current is between 5A-10A, continuous measurement 15 minutes ...
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... When the measured current is between 5A-10A, continuous measurement than 15 minutes. 62 Accuracy UT71A 45Hz~1kHz (1%+15) (2%+40) 45Hz~1kHz (2%+20) (6%+40) 5A, continuous measurement is allowed. Model 72-7730: OPERATING MANUAL Overload Protection 72-7730 (0.8%+15) (1.5%+40) 0.5A, 250V, fast type fuse, 5×20mm (2%+20) 10A, 250V, fast type (6%+40) fuse, 5×20mm 10 seconds and interval more ...
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... Model 72-7730: OPERATING MANUAL E. Resistance Range Resolution 200 (0.5%+20)+test leads 0.01 open circuit value 2k 0.0001k 20k 0.001k 200k 0.01k 2M 0.0001M 20M 0.001M F. Continuity Test Range Resolution 0.01 Remarks: l Open circuit voltage approximate -1.2V. l The buzzer does not sound when the test resistance is > ...
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... Not specified 20mF 0.001 mF 64 Model 72-7730: OPERATING MANUAL Overload Protection 1000V Accuracy 72-7730 (1.2%+20)+ capacitance value of open circuit test leads (1.2%+20) (1.2%+40) (1.5%+40) (5%+40) Not specified Overload Protection ...
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... Model 72-7730: OPERATING MANUAL I. Frequency Range Resolution 20Hz 0.001Hz 200Hz 0.01Hz 2kHz 0.0001kHz 20kHz 0.001kHz 200kHz 0.01kHz 2MHz 0.0001MHz 20MHz 0.001MHz 200MHz 0.01MHz Remarks: l Input amplitude “a” as follows; (DC electric level is zero) When 10Hz~40MHz : 200mV a When > 40MHz : Not specified Accuracy (0.1%+15) Not Specified 30Vrms ...
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... Included is a K-Type (nickel chromium ~ nickel silicon) point contact temperature probe which could only measure temperature below 230ºC. If you want to measure temperature higher than 230ºC, you must use the rod contact temperature probe. 66 Model 72-7730: OPERATING MANUAL Accuracy Overload Protection (3%+30) (1%+30) 2 ...
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... Model 72-7730: OPERATING MANUAL K. 4~20 mA loop current (72-7730 only) Range Resolution ( 0.01% Remarks: When the readings obtained is: l < 4mA, the primary display shows LO l 4mA, the primary display shows 0% …. 20mA, the primary display shows 100% l > 20mA, the primary display shows HI ...
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... Model 72-7730: OPERATING MANUAL Copyright 2006 Tenma Test Equipment. All rights reserved. Tenma Test Equipment 405 S. Pioneer Blvd. Springboro,Ohio 45066 www.tenma.com ...
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