ETCR ETCR3350 ເຄື່ອງທົດສອບຄວາມຕ້ານທານຂອງດິນຕໍ່ແຜ່ນຂະໜາດໃຫຍ່ (2000Ω, 400V, 5A)
Power Supply: AC220V±10％, 50Hz
Display Screen: 5 inch touch color screen
Impedance Measurement Range: 0.000Ω~2000Ω
Max. Solution: 0.001Ω
Measurement Error: ±2%rdg±5dgt
Soil Resistivity Measurement Range: 0Ωm~125kΩm(Depending on the resistance measurement range and test length)
Soil Resistivity Measurement Accuracy: Depending on the measurement accuracy of R(ρ=2πaR; a:1 m~100m; π=3.14)
Anti-power Frequency Voltage Interference Ability: 10V(50Hz)
Test Current Waveform: Sine wave
Test Current Frequency: Choose one or two frequency point between 40Hz and 60Hz
Max. Output Current: 5A
Output Current Level: 1A, 2A, 3A, 4A, 5A
Max. Output Voltage: 400V
Measuring Line Requirement: The cross-sectional area of the copper core of the current line ≥2.0mm2; the cross-sectional area of the copper core of the voltage line ≥1.5mm2
Overall Size: 450×296×280mm
Instrument Weight: Host weight: about 26kg, total weight: about 37.6kg (include accessory)
Memory: 1000 groups
Communication Function: RS485 interface, data upload function
Bluetooth Communication: Support Android system
Withdraw Voltage: AC 3700V/rms(Between the circuit and the housing)
Working Temperature & Humidity: -10℃~40℃; below 80%RH
Storage Temperature & Humidity: -20℃~60℃; below 70%RH
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ