ETC RR3020

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