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120
Digital Multimeter
Instruction Manual

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Summary of Contents for TPI 120

  • Page 1 Digital Multimeter Instruction Manual...
  • Page 2: Ec Declaration Of Conformity

    EC DECLARATION OF CONFORMITY This is to certify that model 120 conforms to the protection requirements of the council directive 89/336/EEC, in the approximation of laws of the member states relating to Electromagnetic compati- bility and 73/23/EEC, The Low Voltage Directive by...
  • Page 3: Safety Considerations

    GENERAL GUIDELINES ALWAYS • Test the 120 before using it to make sure it is operating properly. • Inspect test leads before using to make sure there are no breaks or shorts.
  • Page 4: International Symbols

    Easy to read at all angles and the majority of light- ing levels. Data Hold Freeze readings on the display. Rubber Boot Added protection when the instrument is dropped. (120NB does not include boot.) Versatile Use accessories like a carbon monoxide attachment to expand the capabilities of the 120.
  • Page 5: General Specifications

    SPECIFICATIONS a. General Specifications Power Supply 9 Volt Battery Battery Life 560 hrs. Alkaline Size (H x L x W) 33mm x 86mm x 187mm (1.3” x 3.4” x 7.4”) Weight 340g (12 oz) IEC 1010 Over Voltage: CAT II - 1000V, CAT III - 600V Pollution Degree 2 b.
  • Page 6: Measurement Techniques

    MEASUREMENT TECHNIQUES 1. Controls and Functions: Push Buttons Turns the 120 on and off. Activates the Data Hold function. Rotary Switch Used for measurement of DC Volts. Select best range for the voltage to be measured. Used for measurement of AC Volts.
  • Page 7: A.measuring Dc Volts

    Plug the black test lead into the COM input jack. Ω Plug red test lead into V/ input jack. Set rotary switch on 120 to desired range in DCV function depending on the voltage to be measured. Connect the test leads to the circuit to be measured.
  • Page 8: B.measuring Ac Volts

    Plug the black test lead into the COM input jack. Plug red test lead into V/ Ω Ω input jack. Set rotary switch on 120 to desired range in ACV function depending on the voltage to be measured. Connect the test leads to the circuit to be measured.
  • Page 9: Measuring Resistance

    3. Plug the red test lead into the V/ Ω Ω input jack. 4. Set rotary switch on the 120 to 2k Ω Ω function depending on the voltage to be measured. 5. Connect the test leads to the circuit to be measured.
  • Page 10: Continuity Buzzer

    2. Plug the black test lead into the COM input jack. 3. Plug the red test lead into the V/Ω input jack. 4. Set the rotary switch on the 120 to the position. 5. Connect the test leads to the circuit to be meas- ured.
  • Page 11: Standard Accessories

    *These accessories have not been evaluated by UL and are not considered as part of the UL Listing of this product. MAINTENANCE Battery Replacement: The 120 will display BAT when the internal 9 Volt battery needs replacement. The battery is replaced as follows: Disconnect and remove all test leads from live circuits and from 120.
  • Page 12: Instruction Manual

    The Value Leader www.tpi-thevalueleader.com 120 Instruction Manual Test Products International, Inc. 9615 SW Allen Blvd Beaverton, OR 97005-4814 USA Ph: 503-520-9197 Fax: 503-520-1225 Test Product International Ltd. 342 Bronte Street South, Unit 9 Milton, Ontario L9T 5B7 Ph: 905-693-8558 Fax: 905-693-0888 Test Products International UK Ltd.

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