TPI 293 TPI (Test Products Int), TPI 293 Datasheet - Page 24

• Manufacturer Part Number: TPI 293
• Description: DMM CLAMP AUTO-RANGE 4 DIGIT+BAR
• Manufacturer: TPI (Test Products Int)
• Series: 293r
• Type: Digital (DMM)r

Specifications of TPI 293

• Includes: Battery, Case, Test Leads
• Style: Clamp
• Display Digits: 3.75
• Display Type: LCD, Bar Graph
• Display Count: 4000
• Function: Voltage, Current, Resistance, Frequency
• Functions, Extra: Continuity, Diode Test
• Features: Auto Off, Hold, Sleep
• Ranging: Auto/Manual
• Response: True RMS
• Other names: 290-1293; 293

g. Measuring Frequency
Instrument set-up:
FUNC
FREQ
Measurement Procedure:
1. Disconnect power to circuit to be measured.
2. Set the rotary switch to the FREQ function.
3. Clamp the jaws around one conductor of the circuit
4. Reconnect power to circuit to be measured.
5. Read the frequency on the 293.
Note:
Optional Modes:
•
•
24
CAUTION!
Do not attempt to make frequency measurements with
test leads. The 293 measures the frequency by clamp-
ing the jaw around one conductor (wire). Clamping
around more than one wire will result in erroneous read-
ings.
to be measured.
The current of the frequency being measured is
displayed on the bar graph.
HOLD:
RANGE: Manually ranges the instrument.
BLACK
TEST LEAD TEST LEAD
NOT USED NOT USED
Freezes the reading on the LCD.
RED
MIN
READING
0.5Hz
MAX
READING
10KHz