270 TPI (Test Products Int), 270 Datasheet - Page 14

• Manufacturer Part Number: 270
• Description: CLAMP-ON TESTER W/DMM
• Manufacturer: TPI (Test Products Int)
• Series: 270r
• Type: Digital (DMM)r

Specifications of 270

• Includes: Battery, Case, Temperature Probe, Test Leads
• Style: Clamp
• Display Digits: 3.75
• Display Type: LCD, Bar Graph
• Display Count: 4000
• Function: Voltage, Current, Resistance, Capacitance, Temperature, Frequency
• Functions, Extra: Continuity, Diode Test
• Features: Auto Off, Hold, Min/Max, Sleep
• Ranging: Auto/Manual
• Response: Average
• Lead Free Status / RoHS Status: Vendor undefined / Vendor undefined
• Other names: 290-1421; TPI 270; TPI270

2. Step by Step Procedures:
Measuring DC Voltage
Instrument set-up:
FUNC.
Measurement Procedure:
1. Disconnect power to circuit to be measured.
2. Plug black test lead into the COM input jack.
3
4. Set rotary switch to the V range.
5. Connect test leads to circuit to be measured.
6. Reconnect power to circuit to be measured.
7. Read the voltage on the 270.
Optional Modes
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•
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Plug red test lead into the V/
D-H:
MAX/MIN:
P-H:
Do not attempt to make a voltage measurement of more
than 600V or of a voltage level that is unknown. Make sure
the temperature probe is NOT plugged in during this test.
WARNING!
BLACK
TEST LEAD TEST LEAD
COM
Freezes the reading on the LCD.
Records minimum a.
Displays peak voltage.
(See Other Features Section)
RED
V/W
W
MIN
READING
0.1mV
input jack.
MAXI
600V
READING