Digi-Sense 20250-60 User Manual Download

Page: 11 / 16

Maintenance and Repair
Repairs or servicing not covered in this manual should

only be performed by qualified personnel. Periodically

wipe the case with a dry cloth. Do not use abrasives or

solvents on this instrument.

Battery Replacement
1. When the battery power is not sufficient for proper

operation, the LCD will display

indicating that

batteries need to be replaced. The instrument requires

six AA alkaline batteries.

2. Remove the four screws from the batter cover to access

and replace the batteries.

Specifications

Environment conditions

• Installation categoriesⅢ

III

• Pollution degree 2
• Altitude up to 2000 meters
• Indoor use only
• Relative humidity 80% Max.
• Operation ambient 0 to 40ºC

1065DGMAN_20250-60 DS Insulation tester manual.indd 11

8/7/2017 2:09:50 PM

Summary of Contents for 20250-60

Page 1: ...THE STANDARD IN PRECISION MEASUREMENT User Manual Insulation Tester Model 20250 60 1065DGMAN_20250 60 DS Insulation tester manual indd 1 8 7 2017 2 09 49 PM ...

Page 2: ...ignals which exceed the maximum limits shown in the technical specifications tables Do not use the meter or test leads if they look damaged Use extreme caution when working around bare conductors or bus bars Accidental contact with the conductor could result in electric shock Use the meter only as specified in this manual otherwise the protection provided by the meter may be impaired Read the oper...

Page 3: ...ce with EN 61010 1 Note When servicing use only specified replacement parts Unpacking Check individual parts against the list of items below If anything is missing or damaged please contact your instrument supplier immediately 1 Instrument 2 Test probes 3 Carrying case 4 Six AA batteries 5 User manual 1065DGMAN_20250 60 DS Insulation tester manual indd 3 8 7 2017 2 09 49 PM ...

Page 4: ...al and the black lead into the COM terminal Test Leads Check Set the range select switch to the 400 Ω range With the tip and alligator clip of the test leads connected the indicator should read 00 0 Ω When the leads are not connected the display will read infinity indicated by OL This will ensure that test leads are in good working condition 750V 1000V Insulation Tester 400 125V 250V 500V 1000V TE...

Page 5: ...To go back to reading current values press and hold the button again for 2 seconds Lock Button Used when testing insulation resistance Press the LOCK button and then push down the TEST button This will apply the high voltage source and display the test result Pressing the TEST button again will shut off the high voltage and exit from the insulation resistance testing Test Button Used when testing ...

Page 6: ...ondary display shows the output DCV while you test the insulation resistance and the battery voltage while the ACV Analog bar indicates the current function testing value shown in the primary display symbol flashes frequently if the voltage is over 30 V when testing the insulation resistance symbol flashes frequently and the buzzer warns continually if the outside voltage is over 30 V when testing...

Page 7: ... block 2 Connect the test leads to the line to be tested 3 Push down and hold the TEST button or press the LOCK keystroke first and then the TEST button If there is a voltage on the circuit already that is over 30 VAC DC the instrument will not apply a source voltage and instead display 30 V on the LCD the symbol flashes and the buzzer will sound If the circuit under test does not have a voltage o...

Page 8: ...ments 1 Set the range switch to 400 Ω BZ position 2 Connect the red test lead to the VΩ terminal and black to the COM terminal 3 Connect the tips of the test leads to both ends of the circuit under test Read the resistance in Ω on the LCD The two ranges 40 00 MΩ 400 0 MΩ can be switched automatically the resistance in Ω flashes in the primary display and also shows on the analog bar 4 An impedance...

Page 9: ...on press for 10 minutes but exits sleep mode as soon as you turn the rotary function switch or push down any button Power Tools and Small Appliances This test would also apply to other similar equipment that have a line cord For double insulated power tools the megohmmeter lead shown connected to the housing would be connected to some metal part of the tool e g chuck blade Note The switch of the d...

Page 10: ...r is disconnected at the motor terminals connect one megohmmeter lead to the grounded motor housing and the other lead to one of the motor leads DC Disconnect the motor from the line To test the brush ring field coils and armature connect one megohmmeter lead to the grounded motor housing and the other lead to the brush on the commutator If a low insulation resistance reading is indicated raise th...

Page 11: ...nt for proper operation the LCD will display indicating that batteries need to be replaced The instrument requires six AA alkaline batteries 2 Remove the four screws from the batter cover to access and replace the batteries Specifications Environment conditions Installation categoriesⅢIII Pollution degree 2 Altitude up to 2000 meters Indoor use only Relative humidity 80 Max Operation ambient 0 to ...

Page 12: ...played when the battery voltage drop below the operating voltage Operating Temperature 32 to 104ºF 0 to 40ºC and humidity below 80 RH Storage Temperature 14 to 140ºF 10 to 60ºC and humidity below 70 RH Power Source DC 9 V six AA batteries or equivalent Dimensions L x W x H 77 8 x 35 8 x 2 20 x 9 2 x 5 cm Weight Approx 25 oz 700 g including battery Electrical Specifications Accuracies are specified...

Page 13: ...ircuit voltage Overload protection 0 01 Ω Resistance 35 Ω 5 8 V 250 Vrms Short circuit current 200 mA DC Voltage Range Resolution Accuracy Input impedance Overload protection 1000 V 1 V 0 8 3 10 MΩ 1000 Vrms AC Voltage 40 Hz to 400 Hz Range Resolution Accuracy Input impedance Overload protection 750 V 1 V 1 2 10 10 MΩ 750 Vrms 1065DGMAN_20250 60 DS Insulation tester manual indd 13 8 7 2017 2 09 50...

Page 14: ... 1 mA load 250 kΩ 1 mA 4 001 to 40 00 MΩ 0 0 1MΩ 2 10 40 01 to 400 0 MΩ 0 1 MΩ 3 5 400 1 to 4000 MΩ 1 MΩ 4 5 500 V 0 to 10 0 500 to 4 000 MΩ 0 001 MΩ 2 10 1 mA load 500 kΩ 1 mA 4 001 to 40 00 MΩ 0 01 MΩ 2 10 40 01 to 400 0 MΩ 0 1 MΩ 2 5 400 1 to 4000 MΩ 1 MΩ 4 5 1000 V 0 to 10 1 000 to 4 000 MΩ 0 001 MΩ 3 10 1 mA load 1 MΩ 1 mA 4 001 to 40 00 MΩ 0 01 MΩ 2 10 40 01 to 400 0 MΩ 0 1 MΩ 2 5 400 1 to 4...

Page 15: ...15 hort rcuit rrent 1 mA 1 mA 1 mA 1 mA 1065DGMAN_20250 60 DS Insulation tester manual indd 15 8 7 2017 2 09 50 PM ...

Page 16: ... Phone 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 95 1065DGMAN_20250 60 1065DGMAN_20250 60 DS Insulation tester manual indd 16 8 7 2017 2 09 50 PM ...

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