Greenlee DM-810A - Page 23

DM-810A • DM-820A • DM-830A • DML-430A
23
Accuracy (cont’d)
Accuracy for Frequency Ranges
Display Range Accuracy
99.99 Hz ± (0.04% + 0.04 Hz)
999.9 Hz ± ( 0.04% + 0.4 Hz)
9.999 kHz ± ( 0.04% + 0.004 kHz)
Frequency—Logic Level
Range: 5.00 Hz to 1.000 MHz
Accuracy: ± (0.004% + 4 digits)
Sensitivity: 2.5 Vp square wave
% Duty Cycle
Range: 0.00% to 100.0 %
Accuracy: ± (3 digits/kHz + 2 digits)
Input Frequency: 5 Hz to 10 kHz
DM-820A, DM-830A, and DML-430A Only
Temperature (DM-820A) and Dual Temperature (DM-830A and DML-430A)
Range Accuracy
-50 °C to 1000 °C ± (0.3% + 2 °C)
-58 °F to 1832 °F ± (0.3% + 5 °F)
Type-K thermocouple range and accuracy not included
Crest Capture (Voltage and Current) for Crests > 1.0 ms in duration
Accuracy: Specified accuracy + 250 digits
Record Mode for changes > 100 ms in duration
Accuracy: Specified accuracy + 10 digits
DM-820A and DM-830A Only
Electric Field Detection
Typical Voltage Bar Graph Indication
(1)
Frequency Range
10 V to 36 V –
50 Hz to 60 Hz
23 V to 83 V – –
59 V to 165 V – – –
124 V to 330 V – – – –
More than 250 V – – – – –
(1)
Bar graph indication and tone are proportional to signal strength
Detection Antenna: Top end of the meter
Probe-Contact EF-Detection: For more precise indication of live wires, use the ΩV test probe
for direct contact measurements