Martens IW1000 - Insulation Guard

Power supply
Supply voltage : 230 V AC, 115 V AC, 24 V AC ±10 %;
16.8..33.6 V DC, 10.8..15.6 V DC
Power consumption: max. 4 VA
Operating temp. : -10..+55 °C;
Option 01 : -25..+70 °C
Relative humidity : 75 % for annual mean in accordance with
DIN EN50155, 95 % for 30 days all year
continuously, seldom or low humidity doesn’t
lead to malfunctions or cancellations.
CE-conformity : EN 60664-1, EN 61326-2-4, EN 50121-3-2,
EN 60068-2-1/2/6/27
add. for Option 01 : EN 50155 in following points: EN 61373,
EN 60068-2-27
Fire safety : Fulfilment of fire safety requirements for
railway vehicles acc. to the basic standard
NFF16-101 paticulary (IEC) EN 60695-2-12
(Glow-wire testing temperature 850 °C) and
NFF16-102 particulary 6.2; 6.4; 6.5
Input
Unom : 0..690 V AC/DC; ab UN >400 V
operation only with cover clamp permitted
Frequency range : 16 2/3 ..400 Hz
Measurement (standard) (health care)
Umeas max. : ± 40 V ± 20 V
Imeas max. : ± 220 μA ± 110 μA
Ri DC : 180 kΩ (2 x 360 kΩ parallel)
Impedance Zi : 180 kΩ (2 x 360 kΩ parallel) at 50 Hz
Operating values
AL1/AL2 : 1 kΩ..5 MΩ x 1,1 (1,1 kΩ..5,5 MΩ)
programmable
Accuracy : ± 5 %, ± 1 kΩ in the range 1 kΩ..5 MΩ
Hysteresis : 10..100 % of the setpoint programmable
Measuring time : see table1
System leakage
capacity : max. 500 μF
Display : LCD Dot-Matrix, 2 lines 8 characters each,
character height 5 mm, with back light
Indicating range : 1 kΩ..9.9 MΩ
Solution
 1 MΩ..9.9 MΩ : 0.1 MΩ
 1 kΩ..999 kΩ : 1 kΩ
Output
Relay SPDT : < 250 V AC < 250 VA < 5 A;
< 300 V DC < 50 W < 2 A
Analogue : 0..1 mA, RF (Insulation resistance)
Case : Makrolon 8020 UL94V-1
Weight : approx. 390 g
Connection : screw terminals 4 mm²
Protection class : case IP40, terminals IP20, BGV A3