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CM-9940 迷你交直流鉤錶(鉤錶+電錶功能)
簡介
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交直流電壓：0.001V ~ 600V ±1%
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交直流電流：0.1A ~ 600A ±2%
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電阻：0.1 ~ 40M歐姆 ±1%
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頻率：0.01Hz ~ 100KHz ±1%
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自動換檔，二極體及導通測試
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鉤部口徑30mm
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DCA按鍵式歸零，讀值鎖定
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Size：178 X 64 X 33mm
FEATURES
► Design meet IEC 1010 CATIII 600V safety requirment.
► 4000 counts, Auto range & multi-functions.
► Measurement for ACA, DCA, ACV, DCV, Ohms, Diode, Hz, Continuity beeper.
► Water resistance for the front panel.
► Data hold.
► Wide ranges ( 600 A, 400 A ) clamp on current measurement both for ACA & DCA.
► Overload protection circuit is provided for all range.
► LSI circuit provides high reliability and durability.
► Pocket & slim housing case, easy carryout. Compact & heavy duty ABS housing case. and durability.
一般規格
顯示 (Display)
- 10.8 mm ( 0.43" ) LCD, 4 digits, Max. indication 5000 ( frequency range ).
測量範圍 (Measurement Range)
- ACA, DCA, ACV, DCV, Ohms, Diode, Hz, Continuity beeper, Relative.
極性 (Polarity)
- Automatic Switching, '-' indicates negative polarity.
電流感應器 (Current Sensor)
- Hall effect sensors.
歸零調整 (Zero Adjustment)
- DCA : Push bottom adjustment.
- Other ranges : Automatic adjustment.
輸入過載指示 (Over-input indicator)
- Indication of " 1 " or " -1 ".
取樣時間 (Sampling Time)
- Approx. 0.35 second.
電池 (Battery)
- 2 x 1.5V AA ( UM-3 ) batteries.
操作溫度 (Operating Temp.)
- 0 ℃ to 50 ℃ (32 ℉ to 122 ℉).
操作溼度 (Operating Humidity)
- Less than 80% RH.
重量 (Weight)
- 230 g/0.50 LB ( including battery ).
體積 (Dimensions)
- HWD 178 x 64 x 33 mm. ( 7.0 x 2.5 x 1.3 inch )
鉤部口徑 (Max. Jaw Open Size)
- 30 mm ( 1.18 inch ) Dia.
附件 (Accessories Included)
- Red and Black Test Leads ..... 1 pair.
- Instruction Manual ................. 1 PC.
選購附件及轉換器 (Optional Carrying case & Adapters)
- Carrying case, EMF Adapter, Light Adapter, Anemometer Adapter, Pressure Adapter, Sound Adapter, Tachometer Adapter, High Voltage Probe.
電器規格 (23±5 ℃)
| Function |
Range |
Resolution |
Accuracy |
Overload Protection |
| DC/AC Voltage |
400 mV (DC only) |
0.1 mV |
± ( 0.5 % + 2d ) |
AC/DC
600 V.
|
| 4 V |
0.001V |
DCV: ± ( 1 % + 2d )
ACV:± ( 1.2 % + 5d )
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| 40 V |
0.01V |
| 400 V |
0.1 V |
| 1000V |
1 V |
| DC /AC current
(Clamp on)
|
400 A
ACA:0.5 to 400A
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0.1 A |
± ( 2 % + 5 d ) |
AC/DC
2000A/1000V
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| 2000 A |
1 A |
± ( 2 % + 8 d ) |
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Remark
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- * Input impedance for ACV & DCV range is 10 Mega ohm.
- * ACA, ACV specification be tested on sine wave 50/60 Hz.
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| Ohms |
400 ohm |
0.1 ohm |
± ( 1 % + 5 d ) |
AC / DC
400V
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| 4 K ohm |
1 ohm |
| 40 K ohm |
10 ohm |
| 400 K ohm |
100 ohm |
| 4 M ohm |
1 K ohm |
± ( 2 % + 2 d ) |
| 40 M ohm |
10Kohm |
± ( 3.5 % + 5d ) |
| Frequency
( > 5 V )
|
5 Hz |
0.001 Hz |
± (1 % + 5 d) |
AC / DC
250V
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| 50 Hz |
0.01 Hz |
| 500 Hz |
0.1 Hz |
| 5 KHz |
1 Hz |
| 50 KHz |
0.01 KHz |
| 100 KHz |
0.1 KHz |
| Diode |
Short/non conductance, good/defect test |
| Continuity |
If rmeasuring esistance is less than 10 ohm, the beeper will sound . |
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