Leírás
-
General Specifications Memory Internal memory storage up to 1500 records accessible via USB port Measuring function Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC Display 4 digit (2999 Digit) – 7 segment liquid crystal display, with improved visibility Operation Central rotary switch and function keys Temperature Range Operating temperature -10°C to 50°C (14°F to 122°F) Storage temperature -30°C to 60°C (-22°F to 140°F) Temperature coefficient ±0.1% of reading/°C < 18°C > 28°C Type of protection IP56 for case, IP40 for battery door according to EN60529 Max voltage Warning – socket „clamp” to socket E, ES, S or H Urms = 0 V Sockets E, ES, S or H to each other in any combination, max. Urms = 250 V (pertains to misuse) Safety Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. 300V CAT II, Pollution degree 2 Quality standard Developed, designed and manufactured to comply with DIN ISO 9001 External field influence Complies with DIN 43780 (8/76) Auxiliary power 6 x 1.5 V alkaline (IEC LR6 or type AA) Battery life span With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ≤ 1 kΩ) With IEC LR6/type AA: typ. 6,000 measurements (RE + RH > 10 kΩ) Dimensions (W x H x D) 250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in) Weight ≤ 1.1 kg (2.43 lb) without accessories 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case Case material Polyester Measurement of Interference Voltage DC + AC (UST) Measuring limits of error: method Full wave rectification Measuring range 1 V to 50 V Display range 0.0 V to 50 V Resolution 0.1 V Frequency range DC/AC 45 Hz to 400 Hz sine Accuracy ±(5% of rdg + 5 digit) Measuring sequence Approx. 4 measurements/s Internal resistance Approx. 1.5 MΩ Max. overload Urms = 250 V Measurement of Interference Frequency (F) Measuring limits of error: method Measurement of oscillation period of the interference voltage Measuring range 6.0 Hz to 400 Hz Display range 16.0 Hz to 299.9 Hz to 999 Hz Resolution 0.1 Hz to 1 Hz Range 1 V to 50 V Accuracy ±(1% of rdg + 2 digit) Earthing Resistance (RE) Measuring method Current and voltage measurement with probe as IEC61557-5 Open circuit voltage 20/48 V, AC Short circuit current 250 mA AC Measuring frequency 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1 Noise rejection 120 dB (16 2/3 , 50 , 60, 400 Hz) Max. overload Urms = 250 V
