Model 72-10395 Operating Manual
3
Press the button, then the current reading is set as reference value which will be
automatically subtracted from subsequent measurement readings. Press it again to exit
and return to normal measuring mode. This function is not available during frequency
and duty cycle measurement.
3.
Data Hold (HOLD Button):
Press this button to hold displayed values; press it again to exist hold status and return to
normal measuring mode.
4.
Hz/% Measurement:
Press the button to switch to Hz or % measurement under DCV and ACV ranges(the Hz/%
buttoncan be used for measuring switching between frequency and duty cycle); when
Hz/% measurement is finished, the meter will return to DCV or ACV measuring mode
with the range being 400mVand 4V respectively and meanwhile “AUTO” icon on LCD
disappears. If high voltage measurement is needed at the moment, please turn rotary
knob or turn off the meter to reset autorang for V
, μA, mA
measurement before starting
the test.
Under Hz/% mode, press Hz/% button to switch between Hz and % measurement.
IV.
Technical Specifications
A.
General specifications
1.
Max voltage between the voltage input terminal and ground: 600Vrms or 600 DCV
2.
Range selection: Auto
3.
Measuring rate: 3 times per second
4.
Max display: 3999; 3 3/4 digits
5.
Over range display:“OL”
6.
Polar indication: “
-
”icon for negative input
7.
Low battery display: “ ” icon on LCD
8.
Internal battery: one Lithium-manganese button cell, 3V, model: CR2032
9.
Operating temperature: 0
℃
~40
℃
(32
℉
~104
℉
), h
umidity ≤75%
Storage temperature: -10
℃
~50
℃
(14
℉
~122
℉
)
Operating altitude h
eight: ≤2000m
10.
Dimension: 109.8mm x 58.2mm x 10.8mm
11.
Weight: about 76g (including test probes and battery)
12.
Auto Power Off
The meter will enter the standby mode ifno operation with the rotary switch and
buttons within about 30 minutes. In the standby mode, it can be activated (i. e. enters
the working mode) by turning the rotary switch or pressing any buttons on the front
panel. But pressing SELECT button to activate the meter will cancel Auto Power Off
function.
B.
Accuracy specifications
Accuracy: ± (a% r b digits), 1-year warranty period
Ambient temperature: 23
℃
±5
℃
Relative humidity:
≤75%
