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產(chǎn)品型號：Cropico DO4A
更新時(shí)間：2024-06-20簡(jiǎn)要描述：Cropico DO4A便攜式數字微歐計
| Measurement | 4 Terminal Kelvin/Thomson principle eliminates error due to lead resistance. Open circuit measurement voltage approx. 5V dc. |
| Display | 15mm LCD 4,000 count with automatic decimal point and polarity indication. |
| Ranges | 6 Push button selected with LED indication |
| Auto Zero | Permits the automatic zero of amplifiers and external circuits eliminating errors due to thermal emf. |
| Calibration | Digital, security key protected |
| Protection | 415 rms maximum at input terminals |
| Battery | 6 Volt 2.8 Ah sealed lead acid, replaceable. Operating Time: 14 hours typical on bottom range, 28 hours typical on other ranges. Internal charger with automatic switch-off to prevent deep discharge. |
| Executive Lead Pack | This lead pack consists of four test leads, 1 metre long, with 4mm banana plugs, 4 crocodile clips, 4 test prods and 2 Kelvin Clips （combined current and potential clips）. |
| Terminals | 4mm binding posts accept spade tags and 4mm banana plugs |
| Terminals | 4mm safety sockets |
| Working Temp | 0...40°C rel. humidity 80% max. non-condensing |
| Storage Temp | -20 ... +50°C |
| Mains Supply | 100/120/220/240 Volts +10% -13%. 47 ... 63Hz. 20VA |
| Safety | IEC 348 Protective Class 1 |
| Dimensions | 215 x 250 x 88mm （W D H）: 1/2 19" rack. 2U high （467 x 374 x 216mm packed in card carton） |
| Mass | 3.5kg （4.5kg packed in card carton） |
| Accessories | Supplied complete with mains cord, measuring leads with Kelvin Clips, handbook and certificate of conformity |
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