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[8] SPECIFICATIONS
8-1 General Specifications
Operation method
AC detection method True RMS
Display
Sampling rate
Over-range display
Range switching
Polarity switching
Low battery indication
Current measurement
method
Clamp opening diameter Max. about φ 55 mm
Operating environmental
conditions
Operating temperature/
humidity ranges
Storage temperature/
humidity ranges
Temperature
coefficient
Power supply
Auto power save
Current
consumption
Battery life
Δ- Σ method
Main value: Max. 6000 count
Sub value (frequency): Max. 1999 count
Approx. 5 times/sec.
"OL" is displayed
Auto, manual
Auto (Only "-" is displayed.)
The
indicator lights on the display when the
supply voltage from the internal batteries drops
below about 2.3 V.
Clamp type current sensor (CT)
Altitude no more than 2000 m, indoor use,
environmental pollution degree II
Temperature: 5 to 40 °C.
Humidity is as follows (without condensation).
5 to 31 °C: Max. 80 %RH.
31 to 40 °C: Linearly decreases from 80 %RH to 50 %RH.
Temperature -10 to +40 °C: No more than 80 %RH,
without condensation.
Temperature +40 to +50 °C: No more than 70 %RH,
without condensation.
(Remove the internal batteries when the instrument
is not to be used for long time.)
At below 18 °C or above 28 °C, Multiply accuracy
by x0.15 per 1 °C
(The coefficient is x0.25 with the
"AA" size battery (R6) 1.5 V x 2
Power save mode is activate in approx. 34 min.
after the last operation. TYP. 10 µA
Approx. 14 mA TYP. (A function)
Approx. 5 mA TYP. (Functions other than A)
Approx. 80 hours (A function)
Approx. 240 hours (Functions other than A)
*Life when the backlight is off.
— 26 —
.
function.)
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