RS PRO IRT 1900 Instruction Manual
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RS PRO IRT 1900 Instruction Manual

Digital rcd tester
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Instruction Manual

IRT 1900
Digital RCD Tester
EN
FR
TEST
IT
DE
X1/2
X1
0°
180°
X5
ES

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Summary of Contents for RS PRO IRT 1900

  • Page 1: Instruction Manual

    Instruction Manual IRT 1900 Digital RCD Tester X1/2 0° 180° TEST...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS TITLE PAGE WARNING ............... 1 FEATURES.............. 2 III. SPECIFICATION ............. 2 PARTS & CONTROLS ..........4 4-1 Name of Parts and Positions ......... 4 4-2 LCD Display............5 4-3 Connections For RCD Testing ....... 6 OPERATING INSTRUCTIONS ....... 6 5-1 Warning-initial checks to be carried out before any testing ..............

  • Page 3: Warning

    WARNING This instrument must only be used by a competent, trained person and operated in strict accordance with the instructions. It is essential to read and understand the safety rules contained in the instructions. They must always be observed when using the instrument. Read this instruction manual carefully and completely.

  • Page 4: Features

    II. FEATURES Custom microprocessor controlled for highest accuracy and reliability. 3 LED’s for checking correct wiring status. Large custom digital display readout on all models. Automatic lock-out if test resistor overheats. Visual indication of reversed phase and neutral wiring at socket.
  • Page 5 Over temperature indication : “ ” in display. Input protection : 250V/2A. Operation temperature : 0℃ to 40℃ (32℉ to 104℉) and humidity & (10 ~ 80 %RH). Storage temperature : -10℃ to 60℃ (14℉ to 140℉) and humidity & (10 ~ 70 %RH). Dimensions : 180(L) x 130(W) x 70(H)mm.

  • Page 6: Parts & Controls

    IV. PARTS & CONTROLS 4-1 Name of Parts and Positions: X1/2 0° 180° TEST (1) LCD (2) Proceed test button. (3) Phase angle select button. (4) x 1/2, x 1, x 5 test current factor select button. (5) x 1/2, x 1, x 5 test current factor select button. (6) Trip current settings (7) Wiring indication.

  • Page 7: Lcd Display

    4-2 LCD Display : (1) Temperature ALARM indication. (2) Correction mode indication. (3) x 1/2 test current factor indication. (4) x 1 test current factor indication. (5) x 5 test current factor indication. (6) 0º ~180º phase angle indication. (7) 180º ~360º angle indication. (8) Analog indication.

  • Page 8: Connections For Rcd Testing

    4-3 Connections For RCD Testing TEST P - E P - N X1/2 0° 180° V. OPERATING INSTRUCTIONS To ensure safe and proper use of this instrument, the following instruction must be followed : 5-1 Warning-initial checks to be carried out before any testing a).

  • Page 9: Preparation

    b). Before pressing the test button, always check the mains status LED’s for the following sequence : P-E Green LED must be NO P-N Green LED must be NO Red LED must be OFF If the above sequence is not displayed or the Red LED is ON for any reason, do not proceed as there may be incorrect wiring.

  • Page 10: Testing

    5-3 Testing No Trip Test (x1/2) ( 0 x 1/2 0, buttons 3 and 4 not illuminated ) a). The No Trip Test is designed to ensure that the circuit breaker is operating within its specifications and is not too sensitive. b).

  • Page 11: Trip Test (×1) ( × 1 0, Only Button 4 Illuminated )

    5-4 Trip Test (x1) ( x 1 0, only button 4 illuminated ) a). Select the ×1 test tripping current. b). Press the test button. The RCD should trip and the tripping time will be displayed on the instrument LCD in mS.
  • Page 12 e). Press and release the Test button. The breaker should trip. f). Reset the breaker. Change the phase angle switch to the 180 position and press the Test button. g). The trip times of the last two measurements should both be less than 40 ms. If the tripping times are greater than 40 ms the RCD may be faulty and must be re-checked.

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