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TPI 196 Instruction Manual

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196
Digital Multimeter
Instruction Manual

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  • Page 1 Digital Multimeter Instruction Manual...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS page A. INTRODUCTION 1. Congratulations ··············· 2. Product Description ············ 3. EC Declaration of Conformity ······ B. SAFETY CONSIDERATIONS ········· C. TECHNICAL DATA 1. Features and Benefits ··········· 2. Product Applications ··········· 3. Specifications ················ D. MEASUREMENT TECHNIQUES 1.
  • Page 3 Manually Stepping the mA Output ················ n) Loop Power Supply Mode ····· o) RS-232C interface ·········· E. ACCESSORIES ················· F. MAINTENANCE ················· G. TROUBLE SHOOTING GUIDE ········...

  • Page 4: Introduction

    The meter is also easy to use and built to last. 2. Production Description The DMM 196 is a hand-held autoranging DMM. The backlit LCD can display three readings at one time. In addition to basic function of AC/DC V, AC/DC A, Ohm, Diode test, continuity, Capacitance, Frequency, there is the adaptor function.

  • Page 5: Ec Declaration Of Conformity

    3. EC Declaration of Conformity This is to certify that model DMM 196 conforms to the protection requirement of the council directive 89/336/EEC, in the approximation of laws of the member states relating to Electromagnetic compatibility and 73/23/EEC, the low...

  • Page 6: Safety Considerations

    GENERAL GUIDELINES ALWAYS • Test the DMM 196 before using to make sure it is operating property. • Inspect the test leads before using to make sure there are no breaks or shorts.
  • Page 7 INTERNATION SYMBOLS CAUTION: RISK OF ELECTRIC SHOCK AC (ALTERNATING CURRENT) DC (DIRECT CURRENT) REFER TO INSTRUCTION MANUAL GROUND FUSE DOUBLE INSULATION...

  • Page 8: Technical Data

    C. TECHNICAL DATA 1. Features and benefits Safety Meets CE and IEC 1010 requirements. UL Listed to U.S. and Canadian Safety Standards. True RMS Needed to accurately measure non- sinusoidal AC voltage and current waveforms found on many controls and circuits.

  • Page 9: Product Applications

    2. Product Applications Perform the following tests and/or measurements with the DMM196 and the appropriate function: HVAC/R DC mV • Gas application. • Heat anticipator current in thermostats. • Line voltage. ACV or DCV • Control circuit voltage. DcuA • Flame safeguard control current. OHMS •...

  • Page 10: Specifications

    3. Specifications IEC 1010 Over Voltage: CAT II-1000VDC, 750VAC CATIII-600V Pollution Degree 2 ※ INSTALLATION I·II·III INSTALLATION CATEGORY(OVERVOLTAGE CATEGORY) I : Signal level, special equipment or parts of equipment, telecommunication, electronic etc., with smaller transient overvoltages than INSTALLATION CATEGORY II. INSTALLATION CATEGORY(OVERVOLTAGE CATEGORY) II : Local level, appliances, PORTABLE EQUIPMENT etc., with smaller transient overvoltages than INSTALLATION CATEGORY III.

  • Page 11: General Specifications

    3. Specifications (cont.) General Specifications a. DCV Range Resolution Accuracy Impedance Ω 0.0001V +/-0.05% of reading, 0.001V +/- 4digits 500V 0.01V 1000V 0.1V +/-0.1% of reading, +/- 10digits b. DCmV Range Resolution Accuracy Impedance 50mV 0.001mV +/-0.1% of reading, +/- 10digits 500mV 0.01mV c.
  • Page 12 3. Specifications (cont.) d. DCA Overload Range Resolution Accuracy protection 0.0001mA +/-0.5% of reading, Fuse(fast blow) 50mA 0.001mA +/- 5digits F600V, 0.5A 31CM 500mA 0.0001A +/-0.75% of reading, Fuse(fast blow) 0.01mA +/- 5digits F600V, 1A 31CM e. ACA Overload Range Resolution Accuracy protection...
  • Page 13 3. Specifications (cont.) h. Continuity Buzzer Test voltage Threshold Overload protection 30digits 600V DC or AC peak i. Current Output Mode Range Accuracy Source 0~24mA 0.1% of reading, +/- 10digits Smulate 0~24mA j. Frequency Range Resolution Accuracy Overload protection 500Hz 0.01Hz +/-0.05% of reading, 600V DC or AC 5Khz...
  • Page 14 3. Specifications (cont.) l. General Specifications Max. volt. between 1000V any input and Ground mA : Fuse protection 0.5A/600VAC; 10A/600VAC Display Type Digital : 50000 count, 4 times/S update Bar graph : 51 segment Operating temp. 0°C to 40 °C (32°F to 113°F) Storage Temp.

  • Page 15: Measurement Techniques

    D. MEASUREMENT TECHNIQUES 1. Controls and function: Push Button RANGE Activates manual range Activates the Min/Max/Avg mode. REL % Activates REL% mode. EDIT Activates the EDIT mode for the compare and relative % function. Activates Backlight for the LCD(Automatically turns off after approx. 35 sec.) COMP Activates Compare mode.

  • Page 16: Power On Options

    Selects the DC A function (Push ORANGE button to activate AC A.) Can use A254, A256, A296 and A301 (Push ORANGE button to activate AC adaptor, and push RANGE button to choose kind of adaptor) Input Jacks V/Ohm Red test lead connection for all Volt, Ohm, Diode, and Continuity measurement.
  • Page 17 Application Notes When measuring DC Voltage of a battery, the most accurate reading can be attained by testing the battery under load. To accomplish this, follow steps 1 through 4 above and the following (with the battery in holder and device turned on): •...

  • Page 18: Step By Step Procedures

    3. Step by step procedure a. Measuring DC Volts CAUTION Do not attempt to make a voltage measurement if a test lead is plugged in the A or mA input jack. Instrument damage and/or personal injury may result. WARNING! Do not attempt to make a voltage measurement of more than 1000V or of voltage level that is unknown.
  • Page 19 Application Notes Disconnect power from the terminal block, find the fuse or circuit breaker that controls the block and turn it off. Set up the meter following the steps under “Measurement Procedure” on page 13. Then proceed with the following: •...

  • Page 20: B) Measuring Ac Volts

    b. Measuring AC Volts CAUTION Do not attempt to make a voltage measurement if a test lead is plugged in the A or umA input jack. Instrument damage and/or personal injury may result. WARNING! Do not attempt to make a voltage measurement of more than 750V or of a voltage level than is unknown.

  • Page 21: C) Measuring Dc Amps

    c. Measuring DC Amps CAUTION Do not attempt to make a current measurement with the test leads connected in parallel with the circuit to be tested. Test leads must be connected in series with the circuit. WARNING! Do not attempt to make a current measurement of circuits with more than 600V present.
  • Page 22 Application Notes When measuring the DC current of a flame controller, follow the steps under “Measurement Procedure” above and then proceed with the following: • Set up the meter for making a µA measurement. • Connect the meter to the flame controller lead by opening the circuit and inserting the leads in series with the circuit as shown...

  • Page 23: D) Measuring Ac Amps

    d. Measuring AC Amps CAUTION Do not attempt to make a current measurement with the test leads connected in parallel with the circuit to be tested. Test leads must be connected in series with the circuit. WARNING! Do not attempt to make a current measurement of circuits with more than 600V present.

  • Page 24: E) Measuring Resistance

    e. Measuring Resistance WARNING! Do not attempt to make resistance measurements with circuit energized. For best results, remove the resistor completely from the circuit before attempting to measure NOTE: To make accurate low ohm measurements, short the ends of test leads together and record the resistance reading. Deduct this value from actual readings.

  • Page 25: F) Measuring Diodes

    f. Measuring Diodes CAUTION Do not attempt to make diode measurements with circuit energized. The only way to accurately test a diode is to remove it completely from the circuit before attempting to measure it. Instrument set-up: FUNCTION BLACK MINIMUM MAXIMUM TEST LEAD TEST LEAD...

  • Page 26: G) Continuity Buzzer

    g. Continuity Buzzer WARNING! Do not attempt to make continuity measurements with circuit energized. Instrument set-up: FUNCTION BLACK TEST LEAD RED TEST LEAD Measurement Procedure: 1. Disconnect power to circuit to be measured. 2. Plug black test lead into the input jack.

  • Page 27: H) Measuring Frequency

    h. Measuring Frequency WARNING! Never attempt a frequency measurement with a voltage source greater than 600V. Determine the voltage of any unknown frequency source before connecting the instrument in frequency source before connecting the instrument in frequency mode. FUNCTION BLACK MINIMUM MAXIMUM TEST LEAD...

  • Page 28: I) Record Mode

    Activate the function as follows: 1. Depress the button on the 196. 2. The DMM 196 will immediately start to record and display MIN/MAX values on the two lower sub-displays. 3. Press button a second time and the AVG(average) reading will be displayed.

  • Page 29: J) Compare Mode

    j. Compare Mode The compare mode takes the actual reading on the main display and compares it to LOW and HIGH values, programmed by the user, on the sub-displays. This is used to compare components or measurements for acceptable readings. Activate the function as follows: Compare Mode 1.

  • Page 30: K) Relative %Mode

    k. Relative % Mode The Relative % mode takes the actual reading on the main display and compares it to a reference value programmed by the user on the right hand sub-display. The left hand sub- display will show the percentage the actual reading varies from the reference value.

  • Page 31: L) Two-Hold System

    l. Two-Hold System The two-hold system is a data hold feature that will automatically store a stable reading under the 1 HOLD sub- display in the lower left hand corner of the LCD. When a new, stable reading is obtained, the reading under 1 HOLD will be moved to 2 HOLD and the new reading will be displayed under 1 HOLD HOLD...

  • Page 32: Functions

    m. Using the Current Output Functions The meter provides steady, stepped, and ramped current output for testing 0-20 mA and 4-20 mA current loops. Choose source mode, in which the meter supplies the current, simulate mode, in which the meter regulates 1) Source Mode Source mode is selected automatically by inserting the test leads into the SOURCE + and - jacks.

  • Page 33: Producing A Steady Ma Output

    Changing the Current Span The meter’s current output span has two settings (with overrange to 24 mA): 4 mA = 0 %, 20 mA = 100 % ● 0 mA = 0 %, 20 mA = 100 %(factory default) ● To find out which span is selected, short the OUTPUT SOURCE + and - jacks, turn the rotary function switch to OUTPUT [ mA, and observe the 0 % output level.

  • Page 34: Manually Stepping The Ma Output

    Table 2. mA Stepping Pushbuttons Buttons Adjustment STEP Adjusts up to the next higher 25 % step COMP Adjusts up to the next lower 25 % step 4) Manually Stepping the mA Output When the rotary function switch is in the OUTPUT [ mA position, and the OUTPUT jacks are connected to an appropriate load, the meter produces a steady mA dc output.
  • Page 35 Auto Ramping the mA Output Auto ramping gives the ability to continuously apply a varying current stimulus from the meter to a transmitter, while hands remain free to test the response of the transmitter. Select either sourcing or simulating by choosing the SOURCE or SIMULATE jacks.

  • Page 36: N) Loop Power Supply Mode

    n. Loop Power Supply Mode The Loop Power Supply Mode can be used for powering up a process instrument (transmitter). While in Loop Power Mode, the meter acts like a battery. The process instrument regulates the current.

  • Page 37: O) Rs-232C Interface

    o. RS-232C interface Demonstration software is provided with the DMM. The program is written for windows using MFC. For you own applications, consult the following; 1. Specification Baud rate 19200 baud Parity none Data length 8 bit Stop bit 1 bit 2.
  • Page 38 Push button code Push key Code RANGE RANGE AUTO/ RANGE MANUAL REC ON/ REC AVG/ REC OFF REL ON ref2/ REL OFF COMP COMP ON ref1 ref2/ COMP OFF HOLD HOLD ON/ HOLD OFF ) ref1 is the sub display on the left lower part of the LCD, ★...
  • Page 39 REC OFF Deactivates Record mode COMP ON ref1 ref2 Activates COMP.(If value is input on the meter uses these as high & low limit of compare) COMP OFF Deactivates COMP mode HOLD ON Activates HOLD mode HOLD OFF Deactivates HOLD mode SKEY f Indicates status of the function f is REL, REC, COMP, HOLD, RANGE.

  • Page 40: Accessories

    E. ACCESSORIES Standard Accessories Part NO. 9 Volt Alkaline Battery Fuse 0.5A Fuse 10A Test lead Rubber boot Optional Accessories Accessories Part NO. Demonstration Software Deluxe Test lead set IEC 1010 Deluxe test lead kit Temperature Adaptor A301 Current Adaptor 10/60A A254 Current Adaptor 40/400A A256...

  • Page 41: Maintenance

    Disconnect and remove all test leads from live circuit and from DMM 196. b. Remove DMM 196 from protective boot. c. Remove the three screws from battery cover of back d. Remove old batteries and replace with new batteries.

  • Page 42: Trouble Shooting Guide

    G. TROUBLE SHOOTING GUIDE Problem Probable Causes Does not power up • Dead or defective battery • Broken wire from battery snap to PCB Won’t display current readings • Open fuse • Open test lead • Improperly connected to circuit under test All functions except ohms read high •...
  • Page 43 Test Products International, Inc. 9615 SW Allen Blvd., Ste. 104 Beaverton, OR USA 97005 503-520-9197 • Fax: 503-520-1225 •tpiusa@msn.com Test Products International, Ltd. 2 Newcourt Business Park Perry Road Harlow, Essex CM18 7PR England Tel: 01279 439647 • Fax: 01279 450553 L190 •...
  • Page 44 196 Specifications % Basic DCV Accuracy ±0.05 Function Range Resolution 50mV 0.001mV 500mV 0.01mV 0.0001V 0.001V 500V 0.01V 1000V 0.1V 0.0001V 0.001V 500V 0.01V 750V 0.1V DCA/ACA 0.0001mA 50mA 0.001mA 500mA 0.01mA 0.0001A 500Ω 0.1Ω 5kΩ 0.0001kΩ 50kΩ 0.001kΩ 500kΩ...

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