ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Possible measurements:
Measurement of earthing resistance
measurement range to IEC61557-5:
0,50Ω...1,99kΩ for Un=50V;
0,68Ω...1,99kΩ for Un=25V;
| Range | Resolution | Accuracy |
| 0,00...9,99Ω | 0,01Ω | ±(2% m.v. + 3 digits) |
| 10,0...99,9Ω | 0,1Ω | |
| 100...999Ω | 1Ω | |
| 1,00k...1,99kΩ | 0,01kΩ |
• measurement current: under short circuit >20mA,
• voltage on open terminals: selectable <25v ac="" or="" 50v="" ac="" br=""> • frequency of measurement current: 125Hz
Measurement of interference voltage UN (RMS)
| Range | Resolution | Accuracy |
| 0...100V | 1V | ±(2% m.v. + 3 digits) |
• measurement for DC and AC 45…65 Hz
Measurement of resistance of auxiliary electrodes RH i RS
| Range | Resolution | Accuracy |
| 0...999Ω | 1Ω | ±(5% (RS+RE+RH) + 3 digits) |
| 1,00k...9,99kΩ | 0,01kΩ | |
| 10,0k...19,9kΩ | 0,1kΩ |
Measuremet of continuity of equipotential bondings and protective conductors
measurement range to IEC61557-4: 0,13Ω...199Ω
| Range | Resolution | Accuracy |
| 0,00...9,99Ω | 0,01Ω | ±(2% m.v. + 3 digits) |
| 10,0...99,9Ω | 0,1Ω | |
| 100...199Ω | 1Ω |
• measuring method: technical 2-pole method,
• max. voltage on open terminals: 13V,
• measurement current: under short circuit >200mA,
• auto-zero function for measurement leads
Electric security:
- type of insulation: double, according to PN-EN 61010-1and IEC 61557
- measurement category: CAT IV 300V acc. to PN-EN 61010-1
- protection class acc. to EN 60529: IP54
Rated operational conditions:
- operation temperature: -10...+55°C
- storage temperature: -20...+70°C
- humidity: 20...80%
Other technical data:
- LCD display: segment, backlit
- interface: USB,
- number of measurements carried out of set of batteries: > 1000 (5Ω, 2 meas./min.)
- warranty: 3 years
- dimentions: 288x223x75mm
- weigth: 1,4kg
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