Đồng hồ đo điện năng 3 pha Acrel ACR330ELH, đo tất cả thông số lưới điện. đo được sóng hài 31th harmonics và hiển thị bằng bar graphic và wareform. According to crest factor, K factor, THFF etc., the user can analyze the power quality of electrical network.
It complies EN 61326:2006 and EN 61010-1:2001 and RoHS Directive 2002/95/EC.
– Communication and programming via optical interface, or remotely via RS485 output
– Đo điên năng 2 chiều: measurement import kWh, kvarh, kva and export kWh and kvarh in class 0.5
– Display of harmonics by order to 31st
– Display of harmonics by bar graphic and by wareform
– Up to 4DI & 2DO configurable, one DO can be used as Alarm.
– 16 SOEs
– nâng cấp phần mềm qua hồng ngoại
– Graphic display: Fresnel diagram, harmonics in bar graph form, U, I displayed as gauges
Thông số:
– Measurement: VL1, VL2, VL3,VL12, VL23, VL31,AL1, AL2, AL3, ∑AL, F,
∑P, P1,P2,P3, ∑Q, Q1,Q2,Q3,∑S, S1,S2,S3,∑PF, PF1,PF2,PF3,
MD kW, MD kvar, MD kva, +kWh, +kvarh, kvah, -kWh, -kvarh,
31 harmonics,
CF,THFF,KF,UF,UPEAK,UVECTOR,IVECTOR
– Network: 1P2W, 3P3W, 3P4W
– Tần số: 45 ~ 65Hz
– Normal: 100V, 400V; Overloading: 600V(continuous), 1000V / 30s; Consumption: < 0.2VA
– Current: 1A, 5A; Overloading: 6A(continuous), 50A /10s; Consumption: < 0.2VA
– Độ chính xác: Frequency 0.01Hz, reactive energy 1 class, others 0.5 class
– Display: LCD
– Power supply: AC/DC 85~270V; consumption: < 4VA
– Isolation: Power / current input / voltage input: AC2kV/1min;Power / logic inputs / RS485: AC1.5kV/1min;
– Ngõ vào: Inputs / outputs / housing > 5MΩ
– Nhiệt độ: -20C ~ +55C; Storing T: -30C ~ +70C
– Altitude: < 2500m
– Sóng hài: Harmonics Individual to 31st order
– Norms:
IEC61000-4-2: 1995 Electrostatic discharge immunity test Level 3
IEC61000-4-3: 1995 Radiated, radio-frequency, Level 3
IEC61000-4-4: 1995 Electrical fast transient pulse immunity test Level
IEC61000-4-5: 1995 Surge immunity test Level 3
3. Tùy chọn:
– /P: Pulse output Opt coupler pulse output
– /C: RS485 (Modbus-RTU)
– /K: 4 DI, with +5V power; 2DO (250V/3A)
DC 30V/3A)