275 TPI (Test Products Int), 275 Datasheet - Page 22

• Manufacturer Part Number: 275
• Description: DGTL CLAMP-ON W/11,000 CNT DISP
• Manufacturer: TPI (Test Products Int)
• Series: 275r
• Type: Digital (DMM)r

Specifications of 275

• Includes: Battery, Case, Fuse, Temperature Probe, Test Leads
• Style: Clamp
• Display Digits: 4.5
• Display Type: LCD, Bar Graph
• Display Count: 11000
• Function: Voltage, Current, Resistance, Capacitance, Temperature, Frequency
• Functions, Extra: Continuity, Diode Test
• Features: Auto Off, Hold, Min/Max, Record, Voltage Indicator
• Ranging: Auto/Manual
• Response: True RMS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Measuring Frequency
Measurement Procedure:
1. Disconnect power to the circuit to be measured.
2. Plug black test lead into the COM input jack.
3. Plug red test lead into V/
4. Set the rotary switch to the Hz position.
5. Reconnect power to the circuit to be measured.
6. Read the frequency on the LCD.
Optional Modes
•
•
22
Never attempt a frequency measurement with a voltage source
greater than 500V. Determine the voltage of any unknown fre-
quency source before connecting the instrument in frequency
mode. Make sure the temperature probe is NOT plugged in
during this test.
Instrument set-up:
FUNC.
Hz
D-H:
MAX/MIN:
ments
WARNING!
Freezes the reading on the LCD.
Records minimum and maximum measure-
(See Other Features Section)
BLACK
TEST LEAD
COM
Ω
input jack.
RED
TEST LEAD
V/Ω/µA