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16

D. MEASUREMENT TECHNIQUES

1.

Controls and function:

Push Button

RANGE

Activates manual range

REC

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.

HOLD

Activates two-hold data hold mode

Rotary Switch

OFF

Turns the instrument off.

DCmV

Selects the DC mV function

DCV

Selects the DCV function

ACV

Selects the ACV function

Selects the Diode test function

Selects the Ohm function (Push ORANGE
button to activate continuity buzzer.)

Selects the Frequency function

Selects the DC mA function (Push
ORANGE button to activate AC mA.)

15

Selects the DC A function (Push ORANGE
button to activate AC A.)

Adp

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.

COM

Black test lead connection for all functions.

uA/mA

Red test lead connection for current
measurement on the AC/DC uA and AC/DC
mA.

A

Red test lead connection for current
measurement on the AC/DC A.

RS-232

See section on RS-232C interface

2.

Power on Options:

Disable Auto Off

Hold down the REC button while
turning on the instrument.

Current output

Hold down the Range button while
turning on the instrument.

Summary of Contents for 196

Page 1: ...196 Digital Multimeter Instruction Manual ...

Page 2: ...S 1 Controls and Functions 15 2 Power on Options 16 3 Step by Step Procedures a Measuring DC Volts 18 b Measuring AC Volts 20 c Measuring DC Amps 21 d Measuring AC Amps 23 e Measuring Resistance 24 f Measuring Diodes 25 g Continuity Buzzer 26 h Measuring Frequency 27 i Record Mode 28 j Compare Mode 29 k Relative Mode 30 l Two Hold System 31 m Using the Current Output Functions 32 1 Source Mode 32 ...

Page 3: ...ast 2 Produc The DM LCD ca basic fu continu functio for reco The DM REC COM HOLD The DM accesso Battery Rubber Test Le Instruc 4 Manually Stepping the mA Output 34 n Loop Power Supply Mode 36 o RS 232C interface 37 E ACCESSORIES 40 F MAINTENANCE 41 G TROUBLE SHOOTING GUIDE 42 3 ...

Page 4: ... 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 The DMM 196 also has RS232 output and software for recording information into a PC The DMM 196 also features REC Records Min Max and Average readings during specified measurement intervals COMP Compare actual reading to preset HI and...

Page 5: ...N 61010 1 1993 Safety standard EN 61010 2 031 1995 Safety standard To ensure conformity with these standards this instruction must be operated in accordance with the instruction and specifications given in this manual CAUTION Even though this instrument complies with the immunity standards the accuracy can be affected by strong radio emissions not covered in the above standards Sources such as han...

Page 6: ...sting Have someone check on you periodically if working alone Have a complete understanding of the circuit under test Disconnect power to circuit and then connect test leads to the DMM 196 and then to circuit being measured NEVER Attempt to measure unknown high voltage Attempt to measure current with the meter in parallel to the circuit Connect to the test leads to a live circuit before setting up...

Page 7: ... R Triple Two H System Auto Po Record Compa Relati Percen RS232 Back L Auto r INTERNATION SYMBOLS CAUTION RISK OF ELECTRIC SHOCK AC ALTERNATING CURRENT DC DIRECT CURRENT REFER TO INSTRUCTION MANUAL GROUND FUSE DOUBLE INSULATION 7 ...

Page 8: ...at System thesame time Auto Power Off Automatically powers instrument down after 15 minutes of inactivity yet will continue acquiring data in its various modes Record Records Min Max and Average values Compare Compares stored value with measured value for matching components Relative Displays measured value as a of stored Percentage value for checking component tolerances RS232 Output Transfers da...

Page 9: ...g element resistance continuity OHMS Compressor winding resistance OHMS Contactor and relay coil resistance OHMS Continuity of wiring Hz FREQ Frequency of line and control voltage CAP Motor start and run capacitance REC Record min max voltage of controls and line voltages ELECTRICAL ACV Measure line voltage OHMS Continuity of circuit breakers Hz FREQ Frequency of line and control voltage DCV Volta...

Page 10: ... 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 INSTALLATION CATEGORY OVERVOLTAGE CATEGORY III Distribution level fixed installation with smaller transient overvoltages than INSTALLTION CATEGORY IV 10 s with the ostats inu...

Page 11: ...0mA 0 500mA 0 1A 0 b DCmV Range Resolution Accuracy Impedance 50mV 0 001mV 0 1 of reading 10digits 500mV 0 01mV c ACV 45Hz to 450Hz Range Resolution Accuracy Impedance 5V 0 0001V 0 4 of reading 40digits 10MΩ 50V 0 001V 500V 0 01V 1000V 0 1V a DCV Range Resolution Accuracy Impedance 5V 0 0001V 0 05 of reading 10MΩ 50V 0 001V 4digits 500V 0 01V 1000V 0 1V 0 1 of reading 10digits ...

Page 12: ... 3V Approx 1mA 600V DC or AC peak d DCA Range Resolution Accuracy Overload protection 5mA 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 1A 0 01mA 5digits F600V 1A 31CM e ACA Range Resolution Accuracy Overload protection 5mA 0 0001mA 0 75 of reading Fuse fast blow 50mA 0 001mA 5digits F600V 0 5A 31CM 500mA 0 0001A 1 5 of rea...

Page 13: ...ity Buzzer Test voltage Threshold Overload protection 3V 30digits 600V DC or AC peak j Frequency Range Resolution Accuracy Overload protection 500Hz 0 01Hz 0 05 of reading 600V DC or AC 5Khz 0 0001Khz 5digits peak 50Khz 0 001Khz 500Khz 0 01Khz k Adaptor Model Display A301 Temp Adaptor C F 1mV C 1mV F 0000 0 C F A254 Current Adaptor 10 60A 100mV A 00 000A 10mV A 000 00A A256 Current Adaptor 40 400A...

Page 14: ...ital 50000 count 4 times S update Bar graph 51 segment Operating temp 0 C to 40 C 32 F to 113 F Storage Temp 20 C to 60 C 4 F to 140 F Relative Humidity 0 to 80 0 35 C 32 95 F 0 to 70 35 55 C 95 131 F Power Supply 9Volt battery Battery Life Size H x L x W Weight 10digits ion AC peak d protection DC or AC Display 0000 0 C F 00 000A 000 00A 0000 0A 0000 0A ...

Page 15: ...r approx 35 sec COMP Activates Compare mode HOLD Activates two hold data hold mode Rotary Switch OFF Turns the instrument off DCmV Selects the DC mV function DCV Selects the DCV function ACV Selects the ACV function Selects the Diode test function Selects the Ohm function Push ORANGE button to activate continuity buzzer Selects the Frequency function Selects the DC mA function Push ORANGE button t...

Page 16: ...ad connection for all Volt Ohm Diode and Continuity measurement COM Black test lead connection for all functions uA mA Red test lead connection for current measurement on the AC DC uA and AC DC mA A Red test lead connection for current measurement on the AC DC A RS 232 See section on RS 232C interface 2 Power on Options Disable Auto Off Hold down the REC button while turning on the instrument Curr...

Page 17: ...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 Connect the red test lead from the meter to the positive terminal of the battery Connect the black test lead to the negative terminal of the battery Reconnect power to the circuit and read the voltage on the ...

Page 18: ... BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM VΩ 0 001mV 500 00mV COM VΩ 0 0001V 1000 0V Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into the input jack 4 Set rotary switch to either the DCmV or DCV range depending on the voltage to be measured 5 Connect test leads to circuit to be measu...

Page 19: ...ent Procedure on page 13 Then proceed with the following Connect the red test lead to the hot side of the block and the black lead to the neutral side of the block Reconnect power to the block and read the voltage on the meter The reading should be approximately 110V to 130V Disconnect power from the block and move the red wire to ground Reconnect power to the block and read the voltage on the met...

Page 20: ...TION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM 0 0001V 750 0V Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into COM input jack 3 Plug red test lead into the input jack 4 Set the rotary switch to the ACV function depending on the voltage to be easured 5 Connect test leads to circuit to be measured 6 Reconnect power to circuit to b...

Page 21: ...may result Instrument set up FUNCTION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM mA 0 001mA 500 00mA COM A 0 0001A 10 000A Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into the mA or A input jack depending on the value of current to be measured 4 Set the rotary switch to the or function...

Page 22: ...nd 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 in the picture above with the to be with the of circuits ge and or MAXIMUM READING 500 00mA 10 000A depending on o be ...

Page 23: ... 600V present Instrument damage and or personal injury may result Instrument set up FUNCTION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM mA 0 001mA 500 00mA COM A 0 0001A 10 000A Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug the red test into the mA or A input jack depending on the value of current to ...

Page 24: ... this value from actual readings Instrument set up FUNCTION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM 0 01Ω 50 000MΩ Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into input jack 4 Set the rotary switch to the function 5 Connect the test leads to the circuit to be measured 6 Read the re...

Page 25: ... READING COM 0 001V 2 0000V Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into input jack 4 Set the rotary switch to the function 5 Connect the black test lead to the banded end of the diode and the red test lead to the non banded end of the diode 6 Reading on the display should be between 0 5 and 0 8 volts 7 ...

Page 26: ...uit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into the input jack 4 Set the rotary switch to the function 5 Press the orange push button to activate the continuity buzzer 6 Connect test leads to circuit to be measured 7 Listen for the buzzer to confirm continuity ith circuit ode is to empting to MAXIMUM READING 2 0000V of the diode the diode and 0 8 w diode...

Page 27: ...he instrument in frequency source before connecting the instrument in frequency mode FUNCTION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING COM 0 01Hz 500 00KHz Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into the input jack 4 Set the rotary switch to the function 5 Press the orange push butt...

Page 28: ... the MIN value is constantly displayed on the lower right hand sub display Activate the function as follows 1 Depress the REC 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 REC button a second time and the AVG average reading will be displayed 4 Press the REC button again to return to normal record mode voltage e of...

Page 29: ... COMP button 3 Depress the EDIT button the right hand digit under the HIGH sub display will start to flash 4 Depress the REL or HOLD buttons until the correct number is selected for the position 5 Depress the REC button The next digit to the right of 3 above will start to flash 6 Repeat steps 4 and 5 until the correct values for all eight digits under LOW and HIGH sub display are entered 7 After t...

Page 30: ... REL or HOLD buttons until correct number is selected for that display position 5 Depress the REC button The next digit to the right of 3 above will start to flash 6 Repeat steps 4 and 5 until correct values for all four digits under REF sub display are entered 7 After the correct REF value is entered depress the EDIT button 8 Measure the circuit or component being compared to the programmed refer...

Page 31: ... 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 Depress the HOLD button to activate the feature Push the button again to de activate ...

Page 32: ... to see which pair of output jacks is in use 2 Simulate Mode Simulate mode is so named because the meter simulates a current loop transmitter Use simulate mode when an external dc voltage of 15 to 48 V is in series with the current loop under test CAUTION Set the rotary function switch to one of the mA output settings BEFORE connecting the test leads to a current loop Otherwise a low impedance fro...

Page 33: ...E while turning the meter on 3 Wait at least 2 seconds then release RANGE 3 Producing a Steady 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 The meter begins sourcing or simulating 0 Use the pushbuttons to adjust the current as shown in Table 1 Select either sourcing or simul...

Page 34: ...and down in 25 increments as shown in Table 2 See Table 3 for mA values at each 25 step Select either sourcing or simulating by choosing the SOURCE or SIMULATE output jacks Note The COARSE and FINE adjustment pushbuttons described in Table 1 are available when manually stepping the mA output Table3 mA step Value STEP Value for each span setting 4 to 20mA 0 to 20mA 0 4 000mA 0 000mA 25 8 000mA 5 00...

Page 35: ...RCE or SIMULATE jacks 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 continuously repeating 0 100 0 ramp in a choice of four ramp waveforms 0 100 0 40 second smooth ramp 0 100 0 15 second smooth ramp 0 100 0 Stair step ramp in 25 steps pausing 5 seconds at each step Steps are listed in Table 3 The ramp tim...

Page 36: ...usly four ramp p p steps tep Steps 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: ...top bit 1 bit 2 Transmitte format DMM to PC Output and Input of all data are ASCII String Send Format DMM to PC fun b sign value b unit b cr lf fun Function ASCII code b blank 0x20 Sign 0x2E 0x20 Value Measured value ASCII string unit Unit ASCII string cr Carriage Return lf Line Feed Function code Function Function code Unit DCmV DCV mV DCV DCV V ACV ACV V Diode DIO V Ohm Continuity OHM BEP Ohm Ko...

Page 38: ...e is 12 345mV The main display shows HI The left lower part of the LCD shows 10 000mV and the right lower part of the LCD shows 11 000mV 2 DCV 1 2345 mV crlf 2 mA 0 04 000mA 000 00 crlf 2 indicates the push button is being off and Outputs the value being displayed on the Main display 3 REL ON crlf Indicates the REL key is being pressed Receive Format PC to DMM REL ON ref2 Activates REL If the valu...

Page 39: ... HOLD mode SKEY f Indicates status of the function f is REL REC COMP HOLD RANGE DMM STOP Set the RS 232C to stop mode DMM GO Set the RS 232C to start mode DMM SINGLE Output only one single data one string on the DMM you can keep getting data by using this command Standard 9 Volt Alka Fuse 0 5A Fuse 10A Test lead Rubber bo Optional A Accessor Demonstra Deluxe Tes IEC 1010 D Temperatu Current Ad Cur...

Page 40: ...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 Current Adaptor 400 1000A A296 Carrying case ...

Page 41: ...verse order from above 2 Fuse Replacement Both the A and mA uA input jacks are fuse protected Use only Fast blow 600V fuses with correct current ratings Failure to do so will void all Warranties If either do not function replace as Following a 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 o...

Page 42: ... All functions except ohms read high Very weak battery that will not turn on the low battery indicator on the LCD ACV do not read Very weak battery that will not turn on the low battery indicator on the LCD WARRANTY Please refer to product warranty card for warranty statement 42 splay AT ttery ve circuit of back batteries m above nput jacks uses with id all s Following ve circuit of back use s m a...

Page 43: ...national 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 1 26 04 copyright ⓒ 2004 Test Products International Inc ...

Page 44: ...OHM 500Ω 0 1Ω 5kΩ 0 0001kΩ 50kΩ 0 001kΩ 500kΩ 0 01kΩ 5MΩ 0 0001MΩ 50MΩ 0 001MΩ Current out 0 24mA 0 001mA Frequency 500Hz 0 01Hz 5KHz 0 0001KHz 50KHz 0 001KHz 500KHz 0 01KHz Test Voltage Test Current Diode Approx 3V Approx 1mA Test Voltage Threshold Continuity Approx 3V 30 Digits Test Products International Inc See pages 10 13 for detail specifications 196 Specifications 0 05 Basic DCV Accuracy c ...

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