LEM Current Probe Type LEM~flex RR3020 Description : The LEM~flex RR3020 is an AC current probe utilising Rogowski principle. The flexible and lightweight measuring head enables quick and easy installation in hard to reach areas. The LEM~flex RR3020 is designed for use with multimeters, recorders and data loggers. Measuring ranges Output sensitivity Accuracy (at 25°C) Frequency range Phase error Linearity Position sensitivity External field Minimum load Noise level Operating temperature Storage temperature Gain variation Power supply Battery life Low battery indication Safety EMC Enclosure Material Output connections Weight 30A/300A/3000A 100mV/10mV/1mV/A (AC coupled) ± 1 % of range 10Hz to 20kHz (-1dB) ± 1° (45 to 65 Hz), ±10° (at 20kHz) ± 0.2% of reading from 10% to 100% of range ± 2% of range, cable >25mm (1”) from coupling ± 1% with cable > 200mm (8”) from head 100kΩ for specified accuracy 8mV rms (0.26% of range) in 30A range 2mV rms (0.07% of range) in 300A and 3000A ranges 0°C to 70°C (32°F to 158°F) Electronics -20°C to + 70°C (-4°F to 158°F) Electronics ± 0.08%/ °C 2 x AA MN1500 LR6 batteries or equivalent 200 hours typical RED LED BS EN 61010-1: 1993, 600V CAT III Pol. Deg 2 EN61326: 1998 IP5X, Flame retardant UL94 -V0 rated Valox 357 X 4mm safety plugs 0.19 kg (0.4lb) Measuring Head Cable length Cable diameter Bend radius Connecting cable Material Operating temperature Storage temperature Safety Weight Dimensions 610mm (24 inches), double insulated 14.3mm (0.562 inches) 38.1mm (1.5 inches) minimum 2m (78.7 inches) long, double insulated TPE rubber, Polypropylene, UL94 -V0 rated -20°C to +90°C (-4°F to 194°F) Head -40°C to +105°C (-40°F to 221°F) Head BS EN 61010-1 : 1993, 600V CAT III Pol. Deg 2 0.18kg (0.4 lb) See drawing overleaf RR3020 Issue 2 ATS 18/09/00 LEM-FLEX RR 3020 ALL DIMENSIONS IN MILLIMETERS UNLESS OTHERWISE STATED CABLE LENGTH RR3020 Issue 2 ATS 18/09/00