User Guide
Resistance and Low Voltage Resistance Measurements (Ohms)
Resistance Resolution Accuracy Accuracy
Range (61-494) (61-495)
200Ω 10mΩ ±(0.3% +30) ±(0.3% +30)
2kΩ 100mΩ
20kΩ 1Ω
200kΩ 10Ω
2MΩΩ 100Ω ±(0.3% +50) ±(0.3% +50)
20MΩ 1kΩ ±(5.0% +50) ±(5.0% +50)
200MΩ 10kΩ ±(5.0% +20 ±(5.0% +20)
2GΩ 100kΩ ±(5.0% +8) ±(5.0% +8)
Low Voltage Resolution Accuracy Accuracy
Resistance (61-494) (61-495)
Range
2kΩ 100mΩ ±(0.6% +20) ±(0.6% +30)
20kΩ 1Ω
200kΩ 10Ω
2MΩ 100Ω ±(0.6% +50) ±(0.6% +50)
20MΩ 1kΩ ±(7.0% +50) ±(7.0% +50)
200MΩ 10kΩ ±(7.0% +20) ±(7.0% +20)
Open circuit voltage: 3.3V
Open circuit low voltage: 0.6V
Input protection: 600V rms
To Measure Resistance:
1. Turn the power off to the circuit or device that is to be measured and discharge all capacitors before
attempting a measurement.
2. Plug the Black test lead into the COM port and the Red test lead into the VΩHz port.
3. Set the rotary switch to the Ω LV Ω position.
4. Press the blue button to choose between Ω and LVΩ.
LV setting reduces the maximum test voltage level to about 0.5V to avoid turning on semiconductor devices.
11
Frequency and Duty Factor Measurements
Freqency Resolution Accuracy Accuracy
Range (61-494) (61-495)
20Hz 0.001Hz ±(0.01% +50) ±(0.01% +50)
200Hz 0.01Hz ±(0.01% +10) ±(0.01% +10)
2kHz 0.1Hz
20kHz 1Hz
200kHz 10Hz
1MHz 100Hz
Duty Factor Resolution Accuracy Accuracy
(61-494) (61-495)
20% ~ 80% 0.1% +6 digits +6 digits
Sensitivity: 0.5Vp-p for 15Hz ~ 1MHz
1Vp-p for 1 MHz ~ 4MHz
Min. frequency: 5Hz
Input protection: 600V rms
To Measure Frequency:
1. Plug the black test lead into the COM port and the red test lead into the VΩHz port.
2. Set the rotary switch to the Hz %DF position.
3. For duty factor, push the blue button until % is shown on the main display, and Hz is shown in the upper
right secondary display.
4. Connect the meter in parallel with the load or circuit.
5. Measure frequency or duty factor.
Duty factor is the percentage of the signal that is high
12