Atec Megger-TORKEL-820 - Manual (Page 3)

TORKEL 820
Battery Load Unit
Specifications TORKEL 820
Specifications are valid at nominal input voltage and an ambient
temperature of +25°C, (77°F). Specifications are subject to change
without notice.
Environment
Application field The instrument is intended for use in
high-voltage substations and industrial
environments.
Temperature
Operating 0°C to +40°C (32°F to +104°F)
Storage & transport -40°C to +70°C (-40°F to +158°F)
Humidity 5% – 95% RH, non-condensing
CE-marking
LVD 2006/95/EC
EMC 2004/108/EC
General
Mains voltage 100 – 240 V AC, 50 / 60 Hz
Power consumption 150 W (max)
Protection Thermal cut-outs, automatic overload
protection
Dimensions
Instrument 210 x 353 x 700 mm
(8.3” x 13.9” x 27.6”)
Transport case 265 x 460 x 750 mm
(10.4” x 18.1” x 29.5”)
Weight 22.3 kg (49.2 lbs)
40.4 kg (89.1 lbs) with accessories and
transport case
Display LCD
Available languages English, French, German, Spanish, Swe-
dish
Measurement section
Current measurement
Display range 0.0 – 2999 A
Basic inaccuracy ±(0.5% of reading +0.2 A)
Resolution 0.1 A
Internal current measurement
Range
0 – 270 A
Input for clamp-on ammeter
Range
0 – 1 V
mV/A-ratio Software settable, 0.3 to 19.9 mV/A
Input impedance >1 MΩ
Voltage measurement
Display range 0.0 – 60 V
Basic inaccuracy
±(0.5% of reading +0.1 V)
Resolution 0.1 V
Time measurement
Basic inaccuracy ±0.1% of reading ±1 digit
Load section
Battery voltage 10 – 60 V DC
Max. current 270 A
Max. power 15 kW
Load patterns Constant current, constant power, con-
stant resistance, current or power profile
Current setting 0-270.0 A (2999.9 A) 1)
Power setting 0-15.00 kW (299.99 kW) 1)
Resistance setting 0.1-2999.8 Ω
Battery voltage range 2 ranges, selected automatically at start
of test
Stabilization (For
internal current meas-
urement) ±(0.5% of reading + 0.5 A)
Battery
voltage Highest permissible
current Resistor ele-
ment (Nominal
values)
Range 1 10 – 27.6 V 270 A 0.069 Ω
Range 2 10 – 55.2 V 270 A 0.138 Ω
1) Maximum value for a system with more than one load unit
Inputs, maximal values
EXTERNAL
CURRENT
MEASUREMENT
EXTERNAL
CURRENT 1 V DC, 300 V DC to ground. Current
shunt should be connected to the nega-
tive side of the battery
START / STOP Closing / opening contact
Closing and then opening the contact will
start / stop Torkel. It is not possible to keep
the contacts in closed position.
Delay until start 200 – 300 ms
Stop delay 100 – 200 ms
Battery 60 V DC, 500 V DC to ground
VOLTAGE SENSE 60 V DC, 500 V DC to ground
SERIAL < 15 V
ALARM 250 V DC 0.28 A
28 V DC 8 A
250 V AC 8 A
Outputs, maximal values
START / STOP 5 V, 6 mA
TXL Relay contact
SERIAL < 15 V
ALARM Relay contact