270 TPI (Test Products Int), 270 Datasheet - Page 27

• 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

Other Features (continued)
Peak Hold Mode (P-H)
The Peak hold function allows the 270 to display the the
maximum and minimum peak voltage or current. This is
helpful when measuring inrush current.
NOTE: Peak mode can display up to 70 counts on the dis-
play when first activated. For example, if the 270 is set to
the ACA function and manually ranged to the 40A range,
when P-H is activated the display can read up to 0.70.
This is normal for this function.
1.
2.
Manually select the range for the function and set
the meter up to perform a measurement as outlined
earlier in this manual.
Depress and hold the P-H button until CAL is dis-
played. Once CAL clears from the display you may
make a measurement. Press P-H repeatedly to cycle
through the maximum and minimum peak readings.
Press and hold the P-H button for two seconds to
return to normal operation.
For inrush current, after CAL clears press the P-H
button and then supply power to the device under
test. The 270 will capture the maximum and mini-
mum peak inrush.
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