7.1 General Specifications
142
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
• AA alkaline battery (LR6)
×
6, Rated
supply voltage 1.5 VDC
×
6
• 9459 BATTERY PACK
Rated supply voltage 7.2 VDC
(Rechargeable, NiMH)
• 9753 AC ADAPTER
Rated supply voltage 100 to 240 VAC
(Voltage fluctuations of ±10% 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
operating time
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)
Overload
protection
1000 VAC, 1200 VDC 1 min.
Between + & - terminals
Dustproof and
waterproof
IP40 (EN60529)
When the USB port is covered by the
shutter
Maximum
capacitance
load
4 F
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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