Seaward IRT 1557 - Manual (Page 16)

IRT1557
Operating Instructions
- 16 -
6 Specifications
Safety Specifications
Electrical Safety EN61010-1: 2001and EN61557:
1997
Maximum
Operating
Voltage 1000V AC or DC between any
terminal and earth ground
Protection Levels CAT IV, 300V, and CAT III, 600V,
and CAT IIII, 1000V
Pollution Degree 2 per EN61010-1
Electromagnetic Compatibility (EMC)
Immunity
EN 61326-1
Emissions EN 61326-1
Electrical Specifications
Battery AA Size 1.5V Alkaline, IEC-LR14
(6 pieces)
Fuse 6 mm x 32 mm (0.25 x 1.25 inch),
0.5 A 1000V, Fast Acting, 30 kA
Minimum Interrupt rating
Voltage Measurement
Range
1000V AC/DC to 400 Hz
Resolution 1V
Accuracy 2% + 5 counts
Analog Bar
Graph 0 to 1000V
Bar Graph
Accuracy 10%
Visible Warning ≥ 30V AC / DC at Inputs
Insulation Resistance Measurement
Auto Ranges
2.00 MΩ, 20.0 MΩ, 200. MΩ,
2000 MΩ
Resolution 0.01 MΩ on 2.00 MΩ range,
maximum
Accuracy 2% + 2 digits, 2MΩ, 20MΩ, 200MΩ
Ranges
6% + 2 digits on 2000 MΩ Range
Analog Bar
Graph 0 to 1GΩ and infinity .
Bar Graph
accuracy 10%
Test Voltages 250V, 500V, 1000V
Accuracy +20%, -0%