DM-9023

專業型電容錶

簡介

3½ 大型液晶顯示器

電容：0.1pF ~ 20000 uF

分為9個選擇檔

精確度： ±0.5%

有歸零調整功能，提高精確度

輸入保護：200mA / DC50V

Size：185 X 87 X 39mm

FEATURES

This Digital Capacitance Meter give a direct reading of capacitance on a 3 1/2 digits LCD display. Nine ranges give precision readings from 0.1 pF to 20,000 uF, which includes virtually all capacitors used in electronic engineering labs, production, service shops, and schools. It can be used to check tolerance, sort values, select precision values, measure unmarked capacitors, select matched sets, and measure cable, switch or PCB LAYOUT capacitance. Its battery operation, light weight, and small size make it a truly portable instrument.

Large LCD display, clear read-out even in bright conditions.

Low power consumption..

High accuracy in measuring

LSI-circuit use provides high reliability and durability.

Uses rotary ranges switch for easy operation.

Low battery voltage indicator.

Fast sampling rate.

一般規格

顯示 (Display)

65 mm x 48 mm large LCD display with bar graph indicator.

範圍 (Range)

9 Ranges with full scale values from 200 pF to 20,000 uF..

過載顯示 (Overload indicator)

Indication of " 1"

歸零調整 (Zero Adjustment)

Front panel Adjustment control.

This is limited to approx. 20 pF.

超出範圍指示 (Out-of-Range indication)

Indication of " 1 "

取樣比 (Sampling rate)

0.5 second .

操作溫度 (Operating Temp.)

0 ℃ to 50 ℃ ( 32 ℉ to 122 ℉ ).

操作溼度 (Operating Humidity)

Less than 80% RH.

電源供應 (Power Supply)

006P DC 9V battery.

電池壽命 (Battery Life)

Approximately 200 hours on alkaline or 100 hours on carbon zinc battery with normal usage. (Typical consumption current 3 to 4 mA on 200 pF to 200 uF range).

體積 (Dimensions)

185 x 87 x 39 mm (7.3 x 3.4 x 1.5 inch).

重量 (Weight)

290 g/0.64 LB (including battery).

附件 (Accessories Included)

Red and Black Test Leads........ 1 Set

Spare Fuse (0.2A) .................. 1 PC.

Instruction Manual ................. 1 PC.

電器規格

pF = picofarad ( 10^-12 Farad)

nF = nanofarad ( 10^-9 Farad)

uF = microfarad ( 10^-6 Farad)

Accuracy (23± 5 ℃)

* ± 1 % of full scale 1 d on 200 pF to 2000 uF ranges.

* ± 1 % of full scale 1 d on 2,000 uF range.

* ± 2 % of full scale 2 d on 20,000 uF ranges.

Excitation Voltage

2.8 volts peak, maximum. POSITIVE input terminal's voltage is always higher than NEGATIVE terminal.

Protection

The Meter is protected against damage from charged capacitors (more than DC 50 volt) by the fuse (0.2A).

　

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