Gossen Metrawatt METRALINE ZCHECK ເຄື່ອງມືວັດແທກຄວາມຕ້ານທານຂອງວົງແຫວນ (0.27 Ω ~ 200 Ω; 0 A ~23 kA)
Loop and line impedance measurement range: 0.27 Ω to 200 Ω
Short-circuit current calculation range: 0 A to 23 kA
Voltage measurement range: 24 V to 260 V AC (TRMS)
Frequency measurement range: 48 Hz to 52 Hz
Display: Backlit color OLED display with brief and detailed representation modes
Fault loop impedance measurement: With short-circuit current calculation
Non-trip loop impedance measurement: Loop impedance measurement without tripping RCCB
Line impedance measurement: With short-circuit current calculation
Phase detection: Automatic phase detection function
Protective device evaluation: Integrated table of common protective devices
Measurement illumination: Integrated LED for measurement point illumination
Safety category: CAT III 300 V (with safety cap), CAT II 300 V (without safety cap)
Protection rating: IP40
Operating temperature range: 0°C to +40°C
Power supply: 4 × AAA batteries (1.5 V alkaline or 1.2 V NiMH rechargeable)
Dimensions (W × H × D): Approx. 255 × 70 × 40 mm
Weight: Approx. 0.36 kg (including batteries)
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ