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THE STANDARD IN PRECISION MEASUREMENT

User Manual

  

Multifunction AC/DC Voltage Tester  

Model 20250-59  

1065DGMAN_20250-59 DS multifunctional voltage tester.indd   1

8/8/2017   1:37:47 PM

Summary of Contents for 20250-59

Page 1: ...THE STANDARD IN PRECISION MEASUREMENT User Manual Multifunction AC DC Voltage Tester Model 20250 59 1065DGMAN_20250 59 DS multifunctional voltage tester indd 1 8 8 2017 1 37 47 PM ...

Page 2: ...y Precautions Do not exceed the maximum allowable input range of any function Wear insulated body protective equipment rated to 690 V Close attention must be paid when testing any electrical circuits International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information This symbol adjacent to a terminal indicates that un...

Page 3: ...h the probe tips This instrument may only be used within the ranges specified and within low voltage systems up to 690 V Prior to use make sure the instrument function intended for use is in working order Do not use the instrument if one or more functions are not working properly Do not use this instrument in damp conditions Proper operating conditions for this instrument are 10 to 55 C 85 RH This...

Page 4: ...ed For this reason the safety references the technical data including environmental conditions and the usage in dry environ ments must be followed When modifying or changing the instrument the operational safety is no longer ensured The instrument may only be opened by an authorized service technician e g for repair Unpacking Check individual parts against the list of items below If anything is mi...

Page 5: ...e performed with voltage present Battery replacement symbol Meter Description 1 Handle test probe L1 2 Instrument test probe L2 3 Measurement point illumination 4 2000 count LCD 5 LED for single pole phase test 6 LED for low impedance test 7 LED for continuity 8 Low impedance switch L2 9 Measurement point lighting button 10 Battery case 11 Low impedance switch L1 Explanation of Symbols 1065DGMAN_2...

Page 6: ...tive pole Before each voltage measurement check that the device is working properly by measuring a known voltage source If the tester s LCD remains blank take the voltage tester out of operation A defective voltage tester must not be used Do not operate the device with flat batteries or without batteries Observe the regulations regarding work with electrical systems Voltage Measurement with High I...

Page 7: ...for testing installations Due to the lowered internal impedance capacitive voltage is suppressed The reading shows the actual voltage applied Similarly measuring phase L1 on earth wire PE may trigger fault current circuit breakers FI or RCI This measuring procedure can be used for measurements above 12 V Always hold the voltage tester by the handles designed for this purpose Never touch the device...

Page 8: ...R clockwise Continuity Check The voltage tester can also be used as a continuity checker Always hold the voltage tester by the handles designed for this purpose Never touch the device beyond the handle ends The continuity checker switches itself on automati cally when the test starts and switches itself back off when the test has been completed Check for correct functioning before beginning the te...

Page 9: ...rk on electrical circuits Before beginning the test check the conditions of the batteries by touching the two tips together Check for correct functioning at a known alternating voltage source Contact test tip L2 with the measuring point to be tested In the response to a phase event alternating voltage between 100 V to 690 V the lighting symbol LED lights up The single pole phase display can be adv...

Page 10: ...Operation time 30 sec Recovery time 240 sec ACV frequency range 50 60 Hz Internal impedance Approximately 1 MΩ Operation time Long LCD on 4 5 VAC DC Single pole phase test Voltage range 100 to 400 VAC ACV frequency range 50 60 Hz Continuity test Resistance range 200 kΩ Test current 1 µA Overvoltage protection 400 VAC 690 VDC Rotary field indication Voltage range LEDs 100 V to 400 V Frequency range...

Page 11: ...s LCD with bar graph and backlight Housing IP64 Safety rating CAT III 1000 V CAT IV 600 V Dimensions L x W x H 97 16 x 31 16 x 19 16 24 x 7 8 x 4 cm Operating conditions 14 to 131 F 10 to 55 C 85 RH Power supply Two AAA batteries included Temperature range 10 to 55 C Humidity 85 RH Overvoltage class CAT III 690 AC DC 1065DGMAN_20250 59 DS multifunctional voltage tester indd 11 8 8 2017 1 37 48 PM ...

Page 12: ... long period of time The device has been subjected to physical abuse The outside of the device should be cleaned with a soft damp cloth or brush only Do not use abrasive or chemical cleaning agents which could damage the housing or impair operation Note Never try to open the housing except for the battery compartment If the instrument has become unusable dispose of it in accordance with current st...

Page 13: ...t lid and retighten the screw The batteries need to be changed if the low battery symbol lights up on the LCD or when the LCD stays dark when touching the two probe tips together The voltage tester will show no reading if the batteries are drained The device must not be operated with drained or removed batteries To prevent damage from leaking batteries remove the batteries if you will not be using...

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Page 16: ...one 1 847 549 7600 Fax 1 847 247 2929 ColeParmer com Digi Sense Toll Free 1 800 358 5525 Phone 1 847 327 2000 Fax 1 847 327 2700 Davis com Digi Sense Manual Part No 00101 94 1065DGMAN_20250 59 1065DGMAN_20250 59 DS multifunctional voltage tester indd 16 8 8 2017 1 37 48 PM ...

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