291 TPI (Test Products Int), 291 Datasheet - Page 16

• 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

16
c. Measuring AC Amps
Instrument set-up:
FUNC.
A
Measurement Procedure:
1. Disconnect power to circuit to be measured.
2. Set rotary switch to A function.
3. Clamp the jaws around one conductor of the circuit
4. Reconnect power to circuit to be measured.
5. Read the current on the 291.
Optional Modes
•
•
to be measured.
HOLD:
PEAK:
CAUTION!
Do not attempt to make a current measurement with
the test leads. The 291 measures the current by
clamping the jaw around one conductor (wire).
Clamping around more than one wire will result in
erroneous readings.
BLACK
TEST LEAD TEST LEAD
NOT USED NOT USED
Freezes the reading on the LCD.
Measures the peak amperage.
RED
MIN
READING
0.01A
MAX
700A
READING