Wavetek Meterman DM78A Manuel D'utilisation page 14

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General Specifications
Display: 3-3/4 digits LCD, 10mm
high digits, max reading 3200.
Units/signs: AC,
Ω, KΩ, MΩ,
and decimal point.
Range selection: Autoranging
and manual range lock.
Overrange indication: O.L.
Polarity indication. – is
displayed; + is implied.
Battery warning: B displayed
when <1.25V ±0.1V.
Sampling rate: 2/sec display.
20/sec bargraph.
Temperature/Humidity –
Operation: 0° to 40°C (32° to
104°F), <70% RH noncon-
densing; Storage: -20° to
60°C (-4° to 140°F), <80% RH
noncondensing.
Battery type: Two 1.5V (LR-44
or NEDA#1166A).
Battery Life: 70 hours contin-
uous operation
Continuity test: buzzer alert.
Diode check: Good/bad by the
displayed value.
Battery saver: Turn-off after 10
minutes of non-use.
Dimensions (HxWxD) / Weight:
4.3"x2.2"x0.40" (111.5x56x
10.5mm) / 3oz (8.6g)
including case.
SPECIFICATIONS
, B, mV, V,
,
,H, minus,
- 12 -
Included with meter: Two 1.5V
(LR-44) batteries, operator's
manual, and carrying case.
Meets EN61010-1 Cat II 450V;
UL1244;
EMC: Meets EN50081-1,
EN50082-2
EMC: This product
complies with
requirements of the
following European Community
Directives: 89/336/EEC
(Electromagnetic Compatibility)
and 73/23/EEC (Low Voltage) as
amended by 93/68/EEC (CE
Marking).
However, electrical noise or intense
electromagnetic fields in the vicinity
of the equipment may disturb the
measurement circuit. Measuring
instruments will also respond to
unwanted signals that may be
present within the measurement
circuit. Users should exercise care
and take appropriate precautions to
avoid misleading results when
making measurements in the
presence of electronic interference.
Electrical Specifications
(23° + 5°C, 80% RH Max)
Max input, all functions/ranges:
450VDC or AC rms

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