Metrel MI 3122 Standard set Single-Functional Testers (10 mA; ...; 1000 mA)
RCD testing
Nominal residual current (A, AC): 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA
Test current shape: Sine-wave (AC), pulsed (A)
RCD type: G (non-delayed), S (time-delayed)
Test current starting polarity: 0 ° or 180 °
Voltage range: 50 V ÷ 264 V (45 Hz ÷ 65 Hz)
Contact voltage:
0.0 ÷ 19.9 V / 0.1 V / (-0 % / +15 %) of reading ± 10 digits
20.0 ÷ 99.9 V / 0.1 V / (-0 % / +15 %) of reading
Trip-out time: 0 ÷ 300 ms / 1 ms / ±3 ms
Trip-out current:
0.2xI∆N ÷ 1.1xI∆N (AC type) / 0.05xI∆N /±0.1xI∆N
0.2xI∆N ÷ 1.5xI∆N (A type, IDN ≥30 mA) / 0.05xI∆N / ±0.1xI∆N
0.2xI∆N ÷ 2.2xI∆N (A type, IDN <30 mA) / 0.05xI∆N / ±0.1xI∆N
Fault loop impedance (no disconnecting device or FUSE selected):
0.00 ÷ 9.99 Ω / 0.01 Ω / ±(5 % of reading + 5 digits)
10.0 ÷ 99.9 Ω / 0.1 Ω / ±(5 % of reading + 5 digits)
100 ÷ 999 Ω / 1 Ω / ± 10 % of reading
1.00 kΩ ÷ 9.99 kΩ / 10 Ω / ± 10 % of reading
Fault loop impedance (RCD selected - no trip out of RCD):
0.00 ÷ 9.99 Ω / 0.01 Ω / ±(5 % of reading + 10 digits)
10.0 ÷ 99.9 Ω / 0.1 Ω / ±(5 % of reading + 10 digits)
100 ÷ 999 Ω / 1 Ω / ± 10 % of reading
1.00 kΩ ÷ 9.99 kΩ / 10 Ω / ± 10 % of reading
Line impedance:
0.00 ÷ 9.99 Ω / 0.01 Ω / ±(5 % of reading + 5 digits)
10.0 ÷ 99.9 Ω / 0.1 Ω / ±(5 % of reading + 5 digits)
100 ÷ 999 Ω / 1 Ω / ± 10 % of reading
1.00 kΩ ÷ 9.99 kΩ / 10 Ω / ± 10 % of reading
TRMS voltage monitor, Frequency
0 V ÷ 550 V / 1 V / ±(2 % of reading + 2 digits)
10.0 Hz ÷ 499.9 Hz / 0.1 Hz / ±(0.2 % of reading + 1 digit)
Phase rotation: 100 VAC ÷ 550 VAC / Result displayed 1.2.3 or 3.2.1
GENERAL DATA
Power supply: 6 x 1.5 V batteries or rechargeable batteries, size AA
Battery life: Typical 20 h
Overvoltage category: 600 V CAT III, 300 V CAT IV
Protection classification: Double insulation
Degree of protection: IP 40
Memory: 1900 measurements
Connectivity: RS232 and USB
Weight: 0.93 kg (without batteries)
Dimensions (W x H x D): 14 cm x 8 cm x 23 cm
•Instrument MI 3121 Insulation / Continuity tester
•Soft hand strap
•Universal test cable 3 x 1.5 m
•Test tips, 2 pcs (black, red)
•Alligator clips, 2 pcs (black, red)
•Power supply adapter + 6 NiMH AA rechargeable batteries
•Instruction manual on CD
•Short instruction manual
•Product verification data
•Handbook “Guide for testing and verification of low voltage installations” on CD
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