ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
-Measurement of Interference Voltage DC + AC (UST):
Measuring limits of error: method Full wave rectification
Measuring range: 1 V to 50 V
Frequency range DC/AC: 45 Hz to 400 Hz sine
Accuracy: ±(5% of rdg + 5 digit)
Measuring sequence: Approx. 4 measurements/s
Internal resistance: Approx. 1.5 MΩ
Max. overload: Urms = 250 V
-Measurement of Interference Frequency (F):
Measuring limits of error: method: Measurement of oscillation period of the interference voltage
Measuring range 6.0 Hz to 400 Hz
Display range 16.0 Hz to 299.9 Hz to 999 Hz
Resolution 0.1 Hz to 1 Hz
Range 1 V to 50 V
Accuracy ±(1% of rdg + 2 digit)
-Earthing Resistance (RE):
Measuring method Current and voltage measurement with probe as IEC61557-5
Open circuit voltage 20/48 V, AC
Short circuit current 250 mA AC
Measuring frequency 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1
Noise rejection 120 dB (16 2/3 , 50 , 60, 400 Hz)
Max. overload Urms = 250 V
-Electrical Measurement Specifications:
Measuring range 0.020 Ω to 300 kΩ
Accuracy ±(2% of rdg + 2 digit)
Operating error ±(5% of rdg + 5 digit)
-Automatic Switchover of Measuring Resolution in Dependence to Auxiliary Earth Electrode Resistance RH:
RH with Umeas = 48 V: < 300 Ω, < 6 Ω, < 60 Ω, < 600 Ω
RH with Umeas = 20 V: < 250 Ω. < 2.5 kΩ, < 25 kΩ, < 250 kΩ
-Selective Measurement of the Earthing Resistance (RE Clamp):
Measuring range 0.020 Ω to 300 kΩ
-Resistance Measurement (R~):
Measuring range 0.020 Ω to 300 kΩ
-Resistance Measurement (R DC):
Measuring range 0.020 Ω to 300 kΩ
-Compensation of Lead Resistance (RK):
Compensation of lead resistance (RK) can be switched on in functions RE 3-pole, RE 4-pole (clamp), R AC, and R DC 2-pole
-Stakeless Ground Loop Measurement (Two Clamp Stakeless)
Measuring range 0.02 Ω to 199.9 Ω
Includes:
GEO Earth Ground Tester1625-2
User’s Manual
Batteries
Quick Reference Guide
USB Cable
2 Clamps
C1620 Professional Carrying Case
4 Earth Ground Stakes
3 Cable Reels
