Series 3700A System Switch/Multimeter Reference Manual Section 4: Basic DMM operation
3700AS-901-01 Rev. D/June 2018 4-55
Range
You can use the range to set an expected measurement value. The instrument will select the range
appropriate to measure that value.
If you set a range, the autorange feature is automatically disabled. The instrument selects the range
to best match the expected measure value for the functions, as shown below.
The range setting is saved with the DMM function setting, so if you select another function, then
return to the previous function, the range settings you set previously are retained.
You cannot select a range that includes different channel types.
A power cycle or an instrument reset will clear the saved ranges.
Measurement ranges and maximum readings
The range that is selected affects both measurement accuracy and the maximum measurable level.
Input values that exceed the maximum readings cause an "Overflow" message to be displayed.
100 mV, 1 V, 10 V, 100 V, 300 V
100 mV, 1 V, 10 V, 100 V, 300 V
10 µA, 100 µA, 1 mA, 10 mA,
100 mA, 1 A, 3 A
1 mA, 10 mA, 100 mA, 1 A, 3 A
10 Ω, 100 Ω, 1 kΩ, 10 kΩ,
100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ
1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ,
100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ
4 OC (4-wire ohm offset
compensated)
1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ
4 DRY+ (4-wire ohm dry
circuit)
1Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ
100 mV, 1 V, 10 V, 100 V, 300 V
100 mV, 1 V, 10 V, 100 V, 300 V
1 kΩ
Threshold adjustable 1 Ω to
1000 Ω
1 Ω, 10 Ω, 100 Ω, 1 Ω, 10 kΩ,
100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ
Temperature
There is no range selection for temperature measurements, which are performed on a single fixed
range. Depending on the sensor, the maximum temperature readings range from –200 °C to 1820 °C.
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