Technical data

Characteristics and Specifications 8
Digital Multimeter Specifications
U3606A User’s and Service Guide 251
Resistance
Measurement method: Two-wire, open-circuit voltage limited to < 5 V
Open circuit voltage: < +5.0 V
dc
Input protection: 1000 V
rms
on all ranges, < 0.3 A short circuit
Response time: Approximately 0.15 seconds for 1 MΩ and ranges below 1 MΩ.
Low-resistance
Measurement method: Four-wire, the test current is sent from the FORCE terminals and the
resistance is measured by the SENSE terminals.
Input protection: • FORCE terminals: 1000 V
dc
on all ranges, protected with a 3.15
A/250 V FF fuse
• SENSE terminals: 1000 V
rms
on all ranges, < 0.3 A short circuit
Continuity
Measurement method 0.83 mA ± 0.2% constant current source
Open circuit voltage: < +5.0 V
dc
Audible tone: Continuous beep when reading is less than threshold resistance of
10 Ω at 1.0 kΩ range
Input protection: 1000 V
rms
on all ranges, < 0.3 A short circuit
Diode
Measurement method 0.83 mA ± 0.2% constant current source
Open circuit voltage: < +5.0 V
dc
Audible tone: • Continuous beep when level is below +50 mV DC
• Single tone for normal forward-biased diode or semiconductor
junction where 0.3 V ¤ reading ¤ 0.8 V
Input protection: 1000 V
rms
on all ranges, < 0.3 A short circuit
Capacitance
Measurement method Computed from constant current source charge time, typical 0.2 V to
1.4 V
ac
signal level
Maximum voltage at full
scale
• For 1 nF to 10 μF range: < 1.5 V
• For 100 μF to 10000 μF: 0.33 V
Input protection: 1000 V
rms
on all ranges, < 0.3 A short circuit