Hotline: 0984.843.683 Email: info@ttech.vn  Zalo: 0984.843.683

Thiết bị đo tĩnh điện PFM-711A hãng Prostat

Mã sản phẩm: PFM-711A
Sử dụng cho Model:
Hãng SX: Prostat
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Bảo hành
Tình trạng

Tình trạng: Còn hàng

Đặt hàng
The PFM-711A Field Meter is an accurate electrostatic field measuring device. The PFM-711A circuitry is a digital, electronic chopper design, which allows the instrument to make electrostatic field measurements in areas where ionized air is present.

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Thông tin sản phẩm

METER DISPLAY

3-1/2 digit Liquid Crystal Display with 0.4" digit height. Automatic polarity, HOLD and LOW BATTERY indicators.

OUTPUT

Analog signal output and 30 inch two conductor cable provided. ± 10.0KV meter reading equals ± 1.0 volts output.

RANGE

High Range 0 V to ± 19.99 KV; least significant digit indicates tens of volts at one inch distance.
Low Range 0 V to ± 1,999 V; least significant digit indicates 1 volt at one inch distance.
Measures higher voltages at greater distances, e.g., at two inches double indicated voltage, at four inches multiply indicated voltage by four.

RANGE LIGHTS

Red "Bulls Eye" at one inch distance

ACCURACY & ENVIRONMENT

± 2% at ambient conditions ( 23ºC and 30% Rh).
± 5% at 0 - 50ºC and 0 - 85% Rh (non-condensing).
Accuracy unaffected by the presence of air ionization.

RESPONSE

Digital display updates three (3) times per second.
Analog Output Time Constant: Either Range 0.1 sec.
Display Time Constants: High Range 0.2 sec; Low Range 2.0 sec

CONTROLS

Three position slide switch: KV/INCH - OFF - V/INCH
Sample/HOLD push button, and ZERO adjust knob.

GROUNDING

Meter circuit grounded through the conductive case and 10 mm snap fastener mounted on back of case.

POWER

9 VDC alkaline battery. Battery life minimum 40 hours.

DIMENSIONS

2.4" wide x 4.2" long x .9" deep (1.3" deep with zero knob and snap fastener).

WEIGHT

5 ounces, with battery

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