HT instruments SIRIUS87 User Manual
Page 70

SIRIUS
87
EN - 68
- Global earth resistance (R
a15mA
)
Measuring range (
) Resolution
(
)
Accuracy
1
1999
1
(5% rdg + 3 dgt)
Test current
15mA
Phase to earth test voltage
100
265V 50Hz 0,5Hz
- Earth resistance measurement with voltamperometric method
Measuring range (
) Resolution
(
)
Accuracy
0,01
19,99
0,01
(5% rdg + 3 dgt)
20,0
199,9
0,1
200
1999
1
Test current
<10mA 77,5Hz
Open load test voltage
<20V RMS
- Earth resistivity
measurement
Measuring range (
) Resolution
(
m)
Accuracy
0.06
19,99 m 0,01
m
(5% rdg + 3 dgt)
20.0
199.9 m 0.1
m
200
1999 m 1
m
2,00
19,99 km 0.01
k
m
20.0
125,5 km (*)
0.1 k
m
(*) with D = 10m
Test current
<10mA 77,5Hz
Open load test voltage
<20V RMS
9.1.1. Reference standards
Safety:
IEC/EN61010-1 + A2(1997)
Product norms:
IEC61557-1, -2, -3, -4, -5, -6
Insulation:
double insulation
Pollution level:
2
Max height of use:
2000m (6562ft)
Overvoltage category:
CAT III 460V
B1-B2-B3-B4 / 265V to ground
9.1.2. General specifications
Mechanical features
Dimensions (L x W X H):
222 x 165 x 105mm (9 x 6 x 4in)
Weight (batteries included):
1.2kg (42 ounces)
Power supply
Battery type:
6x1.5V batteries type LR6 AA AM3 MN 1500
Low battery indication:
symbol
is displayed
Battery life:
About 40 hours in stand-by or
500
Low
tests or
250
R
ISO
tests 500V/500k
or
1000 Loop, RCD o phase sequence tests
300 Earth or
tests.
Display:
LCD custom 65mmx65mm
Memory: 350
tests
Serial interface:
optoisolated RS232 to download stored data to a PC.