Metrel MI 2891 ເຄື່ອງຈຳລອງກຳລັງໄຟຟ້າ (350 Vrms, 2kA)
Fundamental RMS voltage output: 50 ... 300 V / 10 V / ± 0.1 %
Event RMS voltage output: 0 ... 350 V / 10 V / ± 0.1 %
Fundamental RMS current (A 1033 simulation): 100 mV ... 1 V / ± 0.1 %
Inrush RMS current output:
Range 1: 2.0 mVRMS ... 200.0 mVRMS / ± 0.5 % · URMS
Range 2: 20.0 mVRMS ... 2.0000 VRMS / ± 0.5 % · URMS
Frequency: 45 Hz ... 70 Hz / 1 Hz / ± 10 mHz
Flickers (Pst): 0.5 ... 5.0 / 0.1 / ± 1 %
Voltage harmonics (UhN, 2nd ... 50th): 1 % ... 100 % of fundamental / 1 % / ± 5 % of UhN
Current harmonics and THD (IhN, 2th ... 50th): 1 % ... 100 % of fundamental / 1 % / ± 5 % of IhN
Unbalance:
Voltage (u-, u0): 0.5 % ... 5.0 % / 0.1 % / ± 0.15 %
Current (i-, i0): 0.0 % ... 20 % / 0.1 % / ± 1 %
Overdeviation and Underdeviation:
U Over: 0 ... 50 % UNom / 0.001 % / ± 0.15 %
U Under: 0 ... 90 % UNom / 0.001 % / ± 0.15 %
Event duration: 10 ms ... 7 days / 1 ms / ± 1 cycle
Measuring category: CAT I / 300 V
Dimensions: 23 cm x 14 cm x 8 cm
Weight (with batteries): 1.34 kg
Display: Colour 4.3" TFT liquid crystal display (480 x 272 dots)
Batteries: 6 x 1.2 V NiMH rechargeable batteries type HR 6 (AA)
Working temperature range: -20 °C ... +40 °C
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ