Monroe-electronics Electrostatic Fieldmeter - Portable - model 257D Manual do Utilizador descarregar pdf (Página 3)

Section 1

SPECIFICATIONS:

Features:

 Battery or line operation

 Two ranges: 2 kV/cm and 20 kV/cm

 Remote probe for easy monitoring of hard-to-reach locations.

 Chopper stabilized, fed-back design for accurate measurements in ionized environments

 Recorder output for unattended monitoring

Specifications:

Ranges: 2 kV/cm and 20 kV/cm

Sensitivity: 1 V/cm and 10 V/cm, respectively

Static accuracy: Better than 5% of reading

Drift: <30 V/cm/hour, non-cumulative after 30 minute stabilization, referred to

input

Noise: <10 V/cm rms, 0 – 200Hz, referred to input

Response speed: 250 ms 10% to 90% (typical)

Analog output: 1/10,000

of input, <10 impedance

Battery: Built-in, re-chargeable, gel-type, 12 V, 1.2 AH, >8 hours with backlight on

– charging system on-board, <6 hours re-charging time

DC power: Power adapter supplied:

Input: 100 – 240 VAC/ 47 to 63 Hz/400mA

Output: 18 VDC/840mA

Dimensions: 10½”D x 6

”W x 2

”H

(26.7 x 16.2 x 6.7 cm)

Weight: 2 lbs., 6 oz. (1.1kg)

Instrument operating environment:

25ºC, ±10ºC, 0-85% RH non-condensing

Probe: 1036F-5, 1¾”D x 1¼”H (4.4 x 3.2 cm), 8 oz. (0.2kg)

with 10 ft. (3m) cable – optional extension cable up to 1000 ft. (300m) permitted

Probe operating environment: 30ºC to 100ºC, 0-85% RH non-condensing

Industry approvals:

Probe approved by Factory Mutual Research Corporation as intrinsically safe for

use in Class I, Division 1, Groups C and D hazardous locations when used with

approved IS barriers

CE approvals pending

Accessories included: Alligator clip with boot

Banana patchcord

AC power supply

Manual

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Monroe-electronics Electrostatic Fieldmeter - Portable - model 257D Manual do Utilizador Página 3