7.1 General Specifications
140
Terminals
(1) Insulation resistance/voltage mea-
surement: +, -, GUARD (GUARD ter-
minal is used for insulation resistance/
leakage current measurement only.)
(2) Other: Temperature sensor, USB, and
AC adapter
(1) and (2) are mutually exclusive.
Power supply
• LR6 alkaline battery × 6, Rated supply
voltage 1.5 VDC
× 6
• 9459 BATTERY PACK
Rated supply voltage 7.2 VDC (Recharge-
able, NiMH)
(Life: 500 charging cycles, or around one
year of use)
• 9753 AC ADAPTER
Rated supply voltage 100 to 240 VAC
(Voltage fluctuations of ±10% from the
rated supply voltage are taken into
account.),Rated supply frequency 50/60
Hz, Output rating 12 VDC 3.33 A
Maximum rated
power
15 VA (when AC adapter is used),
6 VA (when battery or battery pack is used)
Life of back up
battery
Approx. 10 years (reference data at 23°C)
Continuous
working hours
Alkaline battery: Approx. 5 hours
9459 BATTERY PACK: Approx. 9 hours
(Conditions: Generating 5 kV, Open
between + & - terminals, backlight off,
and reference data at 23°C)
Maximum input
voltage
750 VAC, 1000 VDC
Maximum input
frequency
70 Hz
Maximum rated
voltage to earth
Measurement category III 1000 V,
Measurement category IV 600 V,
(anticipated transient overvoltage 8000 V)
Dielectric
strength
8540 VAC 1 minute between electric cir-
cuit and casing
Overload pro-
tection
1000 VAC, 1200 VDC 1 min.
Between + & - terminals
Dimensions
Approx. 260W × 251H × 120D mm
(Approx. 10.2"W×9.9"H×4.7"D)
(Not including handle and protrusions)
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