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Extech Instruments 382090 - Specifications

Extech Instruments 382090
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382090 382091 V4.0 09/07
20
Specifications
General Specifications
Maximum voltage between voltage input terminals and earth ground: 1000 Vrms
Maximum rated working voltage for current input: 0.35Vrms
Maximum current for current probe: 1000A rms
Display: Ten (10) 4-digit LCD displays (maximum reading 9999)
Batteries 8pcs, 1.5VAA
Battery life: approx. 50 hours
AC Adaptor 12V DC, 300mA
Auto power off: After approx. 30 minutes
Low battery indication:
BT
is displayed when battery voltage falls low
Backlight display time: Automatically turns off approx. 30 seconds
Sampling rate: Approx. 1 display update every 2 seconds (digital display)
Waveform and harmonic analyzer: 54 samples per period
Current probe jaw opening diameter: Cables ψ40mm
Operating temperature and humidity: 32 to 104
o
F (0 to 40
o
C); R.H. <80% non-condensing
Temperature coefficient: 0.1 × (specified accuracy) / <64 or >82
o
F (<18 or >28
o
C)
Storage temperature and humidity: 14 to 140
o
F (-10 to 60
o
C); R.H. < 70% non-
condensing
Dimensions (meter): 9.2(L) x 4.6(W) x 2.1(H)”; [235(L) × 117(W) × 54(H)mm]
Dimensions (Current probes): 7.6(L) x 3.5(W) x 1.6(H)”; [193(L) × 88(W) × 40(H)mm]
Weight: Meter: approx. 25.8 oz (730g); Current probe: approx. 11.6oz (333g)
Safety
This meter is intended for indoor use and protected, against the users,
by double insulation per EN61010-1 and IEC61010-1 2nd Edition (2001)
to CAT III 1000V; Pollution Degree 2. The meter also meets UL 61010A-
1, First Edition
UL Listed The UL mark does not indicate that this product has been evaluated for
the accuracy of its readings.
Per IEC1010 Measurement Installation Category
MEASUREMENT CATEGORY I: Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to
circuits in which measures are taken to limit the transient overvoltages to an appropriate low level. Note
– Examples include protected electronic circuits.
MEASUREMENT CATEGORY II: Equipment of OVERVOLTAGE CATEGORY II is energy-consuming
equipment to be supplied from the fixed installation.
Note – Examples include household, office, and laboratory appliances.
MEASUREMENT CATEGORY III: Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed
installations.
Note – Examples include switches in the fixed installation and some equipment for industrial use with
permanent connection to the fixed installation.
MEASUREMENT CATEGORY IV: Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the
installation.
Note – Examples include electricity meters and primary over-current protection equipment

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