User's Manual

Extech Instruments
45 GX900-GX930-EN V1.1 5/14

Function Range Resolution Accuracy
Frequency
(electronic)
50Hz 0.001Hz
±(0.01% + 10)
500Hz 0.01Hz
5kHz 0.0001kHz
50kHz 0.001kHz
500kHz 0.01kHz
5MHz 0.0001MHz
10MHz 0.001MHz
Sensitivity: 2V RMS min. @ 20% to 80% duty cycle and <100kHz; 5V
RMS min @ 20% to 80% duty cycle and >100kHz.
Frequency
(electrical)
40.00-10kHz 0.01 - 0.001kHz ±(0.5% reading)
Sensitivity: 2V RMS
Function Range Resolution Accuracy
Duty Cycle
0.1 to 99.90% 0.01%
±(1.2% reading + 2
digits)
Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz
4-20mA%
-25 to 125% 0.01% ±50 digits
0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125%
Function Range Resolution Accuracy
RPM (0.01% + 10)
Count (0.5% + 10)
Clamp(DC) 0.1-100mV/A 0.1A-0.0001A Clamp + 0.5%
Clamp(AC) 0.1-100mV/A 0.1A-0.0001A Clamp + 0.5%
Function Range Resolution Accuracy
Temperature
(type-K)
-50 to 1000°C 0.1°C
±(1.0% reading
+ 2.5°C)
-58 to 1832°F 0.1°F
±(1.0% reading
+ 4.5°F)
(Probe accuracy
not included)