T&R 100ADM Mk4 Secondary Current Injection Test Set
The T&R 100ADM Mk4 is the new model from T and R Test Equipment. The 100ADM mk4 provides commissioning and maintenance engineers with a flexible system for testing protective systems. It has an easy to understand panel layout and a simple user interface. The status of every function can be seen at a glance, and there are no complex menus to navigate. The 100ADM mk4 keeps the familiar user interface of previous models but adds a new metering system that accurately measures the RMS of a single cycle. It also features a new current limit mode to provide very fine control of very low currents, even into low impedance loads. Current limit mode also assists in testing self-powered overcurrent protection as fitted to many 11kV ring man units.
This test set has a range of outputs allowing injection of currents as low as a few mA and as high as 100A. Voltages up to 240V are available on the main outputs, allowing high impedance current relays and voltage relays to be tested. Four true RMS metering ranges are provided, allowing the full scale of the meter and trip level to be set independently of the selected output. Industry standard safety connectors are used on all inputs and outputs for convenience, reliability and safety.
The T and R 100ADM Mk 4 is comprehensively protected by overcurrent, duty cycle and thermal trips, and keeps the user fully informed of any trip condition.
- Clear and simple user interface
- 0-100A output current
- True RMS metering with single cycle capture
- Multi-function auto-ranging timing system
- Auxiliary DC & AC output
- Large back-lit liquid crystal display
- Thermal and over-current protection
- Compact and portable
- Automatic mains voltage selection
- Shoulder carry strap
A stabilised DC supply is provided to power the relay under test, along with an independently switched and isolated 110V AC output.
A very flexible two channel timing system is provided, allowing trip times, reset times and re-close times to be quickly measured to a high degree of accuracy. The timer auto-ranges to measure from 1ms to 99999.9s.
The T & R 100ADM mk4 can be used to test many types of single phase secondary protection including:
- 27/59 Over and under voltage relays
- 37 Under current
- 51 IDMT relays
- 50/76 Instantaneous overcurrent
- 59G Neutral voltage displacement
- 79 Auto-reclosers
- 2 Time delay relays
- 51G/50G Earth fault relays
- 67 Directional overcurrent (basic tests)
- 52 Miniature circuit breakers
- Tripping relays
- Thermal relays
- 90V Voltage regulating relays
T & R 100 ADM Main Output
The main output on the unit has four taps, allowing the selection of output voltages up to 240V and output currents up to 200A.
*Off time of 15 minutes. On times based on an ambient temperature of 25°C.
Protection: over current trip, duty cycle trip, thermal monitoring.
I Limit Mode
The main output has a current limit mode that gives very fine control of output currents up to 10A. It also allows fine current control into very low impedance loads such as digital relays.
Auxiliary DC Output
Protection: current limit
Fixed AC Output
The 100ADM output is metered by a digital true RMS system with a single cycle capture memory ammeter—whenever the timer stops and the output is switched off, the current reading is held on the display. The RMS value of a single cycle can be captured. A current trip is set to 110% of full scale of the selected metering range.
Range 0-999.999s/9999.99s/99999.9s autoranging Resolution 1/10/100ms Accuracy 0.01%rdg+2d (+4d current operated mode) Contact o/c 24V Contact s/c 20mA Vdc 24—240V
Each contact circuit will auto-select for normally open or normally closed contacts. A DC voltage of 24—240Vdc may also be used to trigger either timer channel. Contact state is shown by an LED.
115V/230V ±10% auto-selecting 50/60Hz 1ph 1100VA max.
An earth terminal is provided for connection to a local earth. The unit is designed to comply with BSEN61010 and is CE marked.
Storage -20°C to 60°C
Operating 0°C to 45°C
The T and R 100ADM mk4 is supplied with operating manual, mains lead and, output lead set and spare fuses.
100ADM-F filter unit, RB10 resistor box, printer kit, ADMlog software.
The unit is supplied as standard in an aluminium case with removable lid. The unit is also available in a plastic Pelicase as an option. Please note that the Pelicase lid is not removable.
Weights and Dimensions
T and R 100ADM Dimensions Weight Pelicase unit 560mm x 456mm x 265mm 23.3kg
- T and R 100ADM Mk4 Relay Test Set
- 2 x 5m 25mm2 200A leads terminated in M10 ring crimps
- 2 x 5m 2.5mm2 25A leads terminated in retractable shroud 4mm plugs
- 1 x 5m 2 core timer lead terminated in retractable shroud 4mm plugs
- Plastic carrying case for test leads
- Operating manual
- Mains lead
- Spare fuses
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