User Manual

ACL 450B Operation Manual Rev. Jan 10, 2022 MKB
Page 5 of 6
SPECIFICATIONS
Display
LCD. 3½-digit numeric display, 0.375” digit height
Displays measure voltage in kV when measurement distance is 1 inch
Range
-19.99 kV to +19.99 kV at a distance of 1 inch (25mm).
Higher voltages may be measured at distances greater than 1 inch
Accuracy
±5%
Controls
ON/OFF slide switch
MEASURE/HOLD pushbutton (latching push-ON/push- OFF)
ZERO adjustment knob
Analog Output
2.5mm sub-miniature jack
Scaling is 100mV per kV
Full scale is -2V to +2V
Power
9V DC alkaline battery. Battery life in excess of 30 hours. Reversal protected
Size
2.4” W x 4.2” L x 1.3” D (61x107x33mm)
Weight
5 oz. (14.2g) with battery
Environmental
Operates at 0 – 50°C and 0 – 85% RH (non-condensing)
Accuracy unaffected by air ionization
ACL 450B DISTANCE CHART
Distance
Reading
Multiply
Volts
kV
Test Field
Accuracy
1"
1.00
1000 v
1 kV
4”
5%
10.0
10,000 v
10 kV
19.99
20,000 v
19 kV
4"
1.00
2 x 1000
2000 v
2 kV
16”
10%
10.0
2 x 10,000
20,000 v
20 kV
19
2 x 20,000
40,000 v
40 kV
www.calcert.com [e-mail]1.888.610.7664
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