291 TPI (Test Products Int), 291 Datasheet - Page 4

• Manufacturer Part Number: 291
• Description: MANUAL DGTL CLAMP W/TEST LEADS
• Manufacturer: TPI (Test Products Int)
• Series: 291r
• Type: Digital (DMM)r

Specifications of 291

• Includes: Battery, Case, Test Leads
• Style: Clamp
• Display Digits: 3.75
• Display Type: LCD
• Display Count: 4000
• Function: Voltage, Current, Resistance
• Functions, Extra: Continuity
• Features: Hold
• Ranging: Manual
• Response: Average
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Test Products
International UK Ltd.
Longley House, East Park
Crawley, West Sussex
RH10 6AP England
Tel: [phone]
Fax: [phone]
[e-mail]
Test Products
International, Inc.
Headquarters:
9615 SW Allen Blvd.
Beaverton, OR 97005
USA
503-520-9197
Fax: [phone]
email:
[e-mail]
Test Products
International, Ltd.
342 Bronte St. South
Unit 9
Milton, Ontario L9T
5B7
Canada
905-693-8558
Fax: [phone]
email:
[e-mail]
TPI offers a
complete line
of…
CO, Combustibles &
Combustion (CEA)
Refrigerant Leak
Detectors
Digital Manometers
Temperature Contact
& IR Instruments
IAQ: Air Flow /
Humidity
Handheld
Oscilloscopes
Digital Multimeters
& Clamp-on Meters
Accessories & Kits
Controls / Functions / International Symbols
- - -
~
~
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Push Buttons
REC
NCV
REL
RANGE, R-H
FUNC
PEAK HOLD, P-H
HOLD, D-H
TRIM
Rotary Switch
V
V
~
A
A
OFF
V
TEMP
µA
www.tpi-thevalueleader.com
- - -
Distributed By:
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!
Activates the Min/Max/Record mode
Activates non-contact voltage
detection mode
Activates the REL% mode
Activates manual ranging
Toggles between AC and DC volts, and
or
Activates peak capture mode
Holds the reading on the display until the
button is pushed a second time
Activates TRIM, PEAK, and HDR functions
(except on frequency range)
Used to measure DC volts
Used to measure AC volts
Used to measure AC and DC amps
Used to measure AC amps
Turns the clamp-on completely off
Used to measure AC and DC volts
Used to measure temperature
Used to measure DC microamps with
test leads
CAUTION: RISK OF ELECTRICAL SHOCK
AC (ALTERNATION CURRENT)
DC (DIRECT CURRENT)
REFER TO INSTRUCTION MANUAL
functions
To learn about the entire
line of TPI products visit:
Controls and Functions
International Symbols
Rotary Switch cont’d
Ω
Hz
Input Jacks
COM
V/Ω
L TAW DCM-0906
Copyright © 2006 Test Products International, Inc.
Used to measure diodes
Used to measure resistance and use
continuity buzzer
Used to measure capacitance
Used to measure frequency of current
Black test lead connection for all
functions
Red test lead connection for all ACV,
DCV, Continuity Buzzer, and Diode
Test functions
through jaws
~
_
GROUND
DOUBLE INSULATION
EITHER DC OR AC
1. How does the non-contact
voltage feature of the TPI 270
and 275 benefit me?
The non-contact feature of the TPI
270 and 275 allows you to detect
live circuits without using the test
leads, which enables faster checks
for the presence of voltage.
2. Which of the TPI clamp-on
meters will measure
temperature?
The 270 and 275 have this feature
built in and the 255, 265, and 291
can measure temperature by using
the optional A301 or a A312 K-type
thermocouple adapters.
3. Which TPI clamp-ons can
measure DC microamps?
The TPI 270 and 275 has the capa-
bility to measure DC microamps by
using the test leads. This is very
useful for making flame safety
control current measurements. The
265 can measure DC microamps
with the optional A213 adapter.
4. Does a clamp-on meter
measure anything besides amps?
All TPI clamp-on meters measure
AC/DC volts and resistance. Models
are available with temperature,
frequency, capacitance, and
non-contact voltage detection
capability as well as many other
features. Various adapters including
temperature (A301 or A312), carbon
monoxide (A771), and pressure
(A620/630) are available.
Contact TPI for additional
information.
5. Is it possible to measure AC
amps on a device that uses a
power cord?
Yes, to accomplish this you can use
the TPI line splitter (A202). AC amps
must be measured by isolating a
single wire and the A202 line
splitter does this without damaging
the power cord.
FAQ
DCM