Thiết bị kiểm tra relay HTI 200ADM

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Thiết bị kiểm tra relay HTI 200ADM

Code: #HTI 200ADM

Thiết bị kiểm tra relay HTI 200ADM

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Thiết bị kiểm tra relay HTI 200ADM


· Clear and simple user interface

· 0-200A output current

· True RMS digital metering with

memory ammeter

· Multi-function timing system

· Auxiliary DC output 

· Variable auxiliary AC output

· Auxiliary metering input

· Large back-lit liquid crystal display

· Thermal and over-current protection

· Compact and portable

· Automatic mains voltage selection

T&R Test Equipment is a market leader in the field of current

injection equipment.  The range includes  secondary injection

units  with  100A  output  capability  up  to  6000A  primary

injection  systems.   All  have  true  RMS  metering,  a  flexible

timing system, and an easy to understand user interface.

The  200ADM  is  one  of  a  new  generation  of  products,  and

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 unit has a range of outputs allowing injection of currents

as  low as 1mA and as high as 200A.   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


The  200ADM  is  comprehensively  protected  by  overcurrent,

duty  cycle  and  thermal  trips,  and  keeps  the  user  fully

informed of any trip condition.  

The back-lit display on the 200ADM is bright and

clear with a wide viewing angle.  The results of a test

can be seen here as they appear on the display

An auxiliary metering input is provided and can  measure AC

and DC voltage, current,  frequency, and  the phase between

the main current output and an external voltage or current.  A

stabilised  DC  supply  is  provided  to  power  the  relay  under

test, along with an independently variable AC output. 

The timing system is very flexible without compromising ease

of use, allowing trip times, reset times and reclose times to be

quickly measured to a high degree of accuracy.


The 200ADM can be used to test many types of single phase

secondary protection including:

· Over and under current relays

· IDMT relays

· Over and under voltage


· Auto-reclosers

· Time delay relays

· Differential relays

· Earth fault relays

· Miniature circuit breakers

· Power relays

· Tripping relays

· Thermal relays 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.  

Range             Continuous      5 minutes        1 minute         6 sec.

10V                  25A                    50A                100A                  200A*

35V                  10A                    20A                30A                    

100V                3A                      5A                  10A                    

240V                1A                      2A                  3A                      

240V DC         1A                      2A                  3A                      

The above intermittent on times must be followed by an off time

of 15 minutes, and are based on an ambient temperature of 25°C.

*6 second intermittent ratings available with 230V supply.


Auxiliary AC and DC Outputs

A switched, isolated auxiliary DC supply is available to power the

relay  under    test.   The  output  is  protected  by  a  fuse  and

electronic trip circuit.

DC stabilised output                 24V                1.04A    

                                                    48V                0.52A    

                                                    60V                0.42A    

                                                    110V              0.23A    

                                                    220V              0.11A    

Variable AC output                   0-130Vac       300mA

The variable AC output is isolated, switched, and fuse protected. 


The  output  is  metered  by  a  digital  true  RMS  system  with  a

memory ammeter  - whenever  the  timer stops and  the output  is

switched off, the current reading is held on the display. 

Range             Resolution       Trip current    Accuracy

5.000A             0.001A             5.5A               ±0.5%rdg+5d

20.00A             0.01A                 22A                ±0.5%rdg+5d

50.00A             0.01A                 55A                ±0.5%rdg+5d

200.0A             0.1A                   220A              ±0.5%rdg+5d

A  current  trip  is  automatically  set  to  110%  of  full  scale  of the

selected metering range to protect the device under test.

Auxiliary Metering Inputs

An auxiliary metering input is provided which is able to measure

RMS and DC voltage or current.  In addition the frequency of the

external  input  may  be  measured,  and  the  phase  measured

between the main output current and the auxiliary metering input.

Setting             Range               Resolution       Accuracy

Volts (DC)       270.0V             0.1V               ±0.7%rdg+5d

Volts (AC)      270.0V             0.1V               ±0.7%rdg+5d

Amps (DC)      5.000A             1mA               ±0.7%rdg+5d

Amps (AC)      5.000A             1mA               ±0.7%rdg+5d

Phase             0.1°                    ±3°

Frequency       20-100Hz         0.1Hz             ±0.2%rdg+1d

The current input is protected by a F6.3A fuse.

Supply Requirements        

115V±10% 50/60Hz 1ph 2300VA max

230V±10% 50/60Hz 1ph 2300VA max

The correct range is automatically selected by the unit.

Timing System

Range               0-999.999s

Resolution       1ms

Accuracy         0.1%rdg+2d (+4d current operated mode)

The  contact  circuit has an open circuit  voltage of 24Vdc and a

short  circuit  current  of  10mA.   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.  The output  is automatically switched off at  the end of

the test to safeguard the relay under test.

The following functions are provided:

Mode                             Timer Start                  Timer Stop

Internal start               Press ‘ON’                    Contact 1 or 2

Single contact             Contact 1                      Contact 1

Dual contact               Contact 1                      Contact 2

Current operated        Current > 10%            Current < 10%

                                       of range                        of range

Pulse  mode  is  used  for  setting  the  current  level  in  devices

sensitive to heating, and allows current to be injected for 400ms

and the current recorded.


An RS232 port is provided to allow connection of a printer.

Protection and Safety

The unit  is protected by electronic over current , duty cycle  trips

and  thermal monitoring  on  the  outputs  and  fuses  on  the  input

and regulator.  The auxiliary AC output is fuse protected, and the

stabilised DC output  is protected by an electronic  trip and  fuse. 

An earth terminal is provided for connection to a local earth.  The

unit is designed to comply with BSEN61010, and is CE marked.

Temperature Range           

Storage          -20°C to 60°C Operating        0°C to 45°C

Lead Set specifications

The 200ADM is supplied with a lead set including:

2 x 5m 25mm2 

200A leads terminated in M10 ring crimps

2 x 5m 2.5mm2 

25A leads terminated in 4mm plugs

1 x 5m 2 core auxiliary leads terminated in 4mm plugs

The lead set is supplied in a plastic carrying case.

Dimensions                                    Weight

380mm x 314mm x 221mm                              20.7kg

Including handle and corner protectors                 


Operating manual, o/p lead set, mains lead, spare fuses

Optional Accessories

Filter  unit,  Printer,  200ADM-DRE  (see  below),  pushbutton  lead

for runback timing on disc induction relays.

Optional 200ADM-DRE extension unit

The  200ADM-DRE  converts  the  auxiliary

ac  output  into  a 0-5A  6.8V  or 0-10A  3.4V

current  output,  allowing  bias  differential

relays  to  be  tested.  The  unit may  also  be

used  in  other  situations  where  a  second

current output is required from the 200ADM.

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(0988 21 4646)

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