Loop Impedance Meter | MZC-306

Description Loop Impedance Meter | MZC-306 Measurement of short circuit loop impedance (ZL-PE, ZL-N, ZL-L) Measuring range according to IEC61557: 0,13…1999 Ω for 1,2 m test leads; 0,25…1999 Ω for UNI-SCHUKO adapter Range Resolution Accuracy 0,00…19,99 Ω 0,01 Ω ±(5% m.v. 3 Digits) 20,0…199,9 Ω 0,1 Ω ±(4% m.v. 3 Digits) 200…1999 Ω 1 Ω ±(4% m.v. 3 Digits) rated operating voltage UnL-N/ UnL-L: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V, 400/690 V operating voltage range: 100…440 V (for ZL-PE and ZL-N) and 100…750 V (for ZL-L) high current measurement (up to 30 A) operating frequency range: 45…65 Hz control of correctness of PE terminal connection by means of a contact electrode (applicable to ZL-PE) measurement is also possible when L and N circuits are swapped measurement of resistance and reactance components short circuit current calculation Measurement of short circuit loop impedance ZL-PE RCD (without RCD tripping) Measuring range according to IEC61557: 0,43…1999 Ω for 1,2 m test leads; 0,50…1999 Ω for UNI-SCHUKO adapter Range Resolution Accuracy 0,00…19,99 Ω 0,01 Ω ±(6% m.v. 10 Digits) 20,0…199,9 Ω 0,1 Ω ±(6% m.v. 5 Digits) 200…1999 Ω 1 Ω ±(6% m.v. 5 Digits) operating voltage range: 100 … 440 V rated operating voltage Un: 110 V, 115 V, 127 V, 220 V, 230 V, 240 V, 390 V, 400 V control of correctness of PE terminal connection by means of a contact electrode measurement is also possible when L and N circuits are swapped measurement of resistance and reactance components short circuit current calculation Voltage measurement Range Resolution Accuracy 0,0…249,9 V 0,1 V ±(2% m.v. 4 Digits) 250…750 V 1 V ±(2% m.v. 2 Digits) frequency range 45…65 Hz overvoltage alarm Electrical safety: type of insulation: double, according to IEC 61010 – 1 measurement category: CAT IV 600 V (CAT III 1000 V) protection class acc. to EN 60529: IP54 Other technical data power supply: alkaline batteries or NiMH rechargeable batteries, LR14 (4 pcs) number of Z measurements (for alkaline batteries): > 5000 time to Auto-OFF: 300 seconds data transmission: USB memory of measurement results: 990 cells, 3500 entries display: LCD segment dimensions: 288 x 223 x 75 mm meter weight: ca. 2 kg „m.v.” measured value Calibration certificates are issued during the production process. New calibration certificates are available upon request at an additional cost. Loop Impedance Meter | MZC-306