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Megger Torkel 950 Battery Load Unit

Megger
SKU: MEGGTORKEL950
  • Suitable for testing batteries of up to 500V with 220A discharge
  • Tests at constant resistance, current, power or with pre-selected settings
  • Testing on batteries without disconnecting them from supply
More Info
Made to order - Contact for lead time

Megger Torkel 950 Battery Load Unit

The Megger Torkel 950 Battery Load Unit enables users to perform load and discharge testing on batteries of up to 500V with a maximum discharge current of 220A. This additional capacity makes it suitable for batteries in essential infrastructure such as telecommunications masts and it is even possible to daisy-chain Torkel or TXL Load Units to increase capacity. The unit can test batteries without disconnecting them from the mains and allows testing at constant current, constant power or constant resistance - or in a pre-set load profile - for fully comprehensive testing.

Batteries can be positively or negatively grounded or free floating and the Megger Torkel 950 is capable of measuring battery current via an optional DC clamp probe. Accuracy is enhanced by inputs for separate sensing cables which negate the effects of voltage drop caused by long cables or high current.

To test a battery, the user should start the discharge after connecting the Megger Torkel 950 to the battery and setting the voltage alarms to the correct level. With the current kept at a constant level, the alarm will sound once voltage drops to just above final voltage. If voltage drop poses a risk of deep discharge, the Torkel will automatically close off the test.

Readings are shown on the Megger Torkel 950’s 7” colour touch screen and they are also saved to the internal memory. Once downloaded via the USB port, data can be collated and analysed using Torkel Viewer software which is supplied as standard. The USB port allows data transfer using the supplied USB memory stick as well as communication with a BVM cell voltage logger. When used in combination with a BVM unit, the Torkel 950 can act as a standalone discharge test system.

The Megger Torkel 950 comes supplied with a mains cable, a standard transport case, a cable test set (2 x 3m, 70mm2), a soft case for the cables, Torkel Viewer software and a USB memory stick. It meets standards including IEC61010-1:2010, IEC61010-2-030, and IEC61326-1. It is also possible to upgrade to a large carry case which allows the user to store all the cables together with the load unit. Additional optional extras include DC current clamps with ranges of up to 200A or 1000A.

Megger part number: CS-19590

Key features

  • Suitable for batteries between 12V and 500V
  • 220A maximum discharge
  • Test at constant power, resistance or current
  • Pre-set test option available
  • No need to disconnect battery
  • Emergency stop function
  • 7” colour touch screen
  • Works with BVM functionality
  • Torkel Viewer software
  • Alarm warns of voltage drop

What's In The Box?

  • Megger Torkel 950 Battery Load Unit
  • Standard Carry Case
  • Cable set (2 x 3m, 70mm2)
  • Soft case for cables
  • Torkel Viewer software
  • USB memory stick
Specification

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 +50°C (32°F to +122°F). Power derating at temperatures over +35°C (+95°F).
  • Storage & transport: -40°C to +70°C (-40°F to +158°F)
  • Humidity: 5% – 95% RH, non-condensing

Shock/Vibration/Fall

  • Instrument only: ETSI EN 300 019-2-7 class 7M2
  • Instrument in transport case: ISTA 2A

Altitude

  • Operating: 3000 m (10000 ft)
  • Storage: 10000 m (33000 ft)
  • Encapsulation class: IP20

CE-marking

  • LVD: IEC61010-1:2010 & IEC61010-2-030
  • EMC: IEC61326-1

General

  • Mains voltage: 100 – 240 V AC, 50/60 Hz
  • Power consumption: 200 W (max)
  • Power interruption: 40 ms (max)
  • Protection: Thermal cut-outs, Automatic overload protection, Emergency stop button
  • Dimensions: 519x315x375 mm, (20.5”x12.4”x14.7”)
  • Weight: 19.5 kg (43.0 lbs) instrument; 31.9 kg (70.3 lbs) incl. standard transport case; 37 kg (82 lbs) incl. large transport case
  • Display: 7" LCD, Capacitive touch screen
  • Available languages: English, French, German, Spanish, Swedish

Measurement

Current measurement

  • Display range: 0.0 to 2999.0 A
  • Basic inaccuracy: ±(0.5% of reading +0.1 A)
  • Resolution: 0.1 A

Internal current measurement

  • Range: 0 to 220 A

Input for clamp-on probe

  • Range: 0 to 1000 mV DC
  • mV/A-ratio: 0.30 mV/A to 100.00 mV/A
  • Input impedance: >1 MΩ

Voltage measurement

  • Voltage: 0 to 500 V DC
  • Inaccuracy: ±(0.5% of reading +0.1 V DC)
  • Resolution: 0.1 V
  • Sample rate: 10 Hz, Values are saved when change is >10mV

Time measurement

  • Inaccuracy: ±0.1% of reading ±1 digit

Load

  • Battery voltage: 7.5 V to 300 V1)/500 V2)
  • Power: 15 kW (max)
  • Load patterns: Constant current, constant power, constant resistance, current or power profile

Constant I

  • Range: 0 to 220.0 A
  • Inaccuracy: ±(0.5% +0.2 A)
  • Resolution: 0.1 A
  • Ripple max: 0.5 A peak

Constant R

  • Range 300 mΩ to 3 kΩ
  • Inaccuracy ±1% typical
  • Resolution 100 mΩ

Constant P

  • Range: 0 to 15 kW
  • Inaccuracy: ±1% typical
  • Resolution: 10 W

Inputs

  • +: 7.5 to 300 V.1) 7.5 to 500 V.2)
  • –: 0 V
  • I EXT ≤ 1 V: 1 V DC, 300 V DC to ground
  • VOLTAGE SENSE: Impedance to the current terminals is >1 MΩ

Outputs

ALARM

  • Relay contact 28 V DC, 8 A, 240 V AC, 8 A
  • Devices higher than Cat II must not be attached

TXL STOP

  • Relay contact 250VDC, 0.28A, 28VDC, 8A, 250VAC, 8A
  • 9 V DC 9 V DC, ±7% max 100 mA

Communication ports

  • BVM1 BVM2: USB connection for BVM units
  • USB: Connection for USB memory
  • Service port
Label Type Size Download
pdf Megger Torkel 950 Datasheet pdf 656.7 KB Download
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  2. Megger TORKEL 900 Transport Case Large (GD-00955)
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  4. Megger TORKEL 900 Transport Case (GD-00954)
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  5. Megger TORKEL 900 DC Current Clamp 200/1 (XA-12992)
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  8. Megger TORKEL 900 Extension Cable, High Rating (GA-09552)
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