TPI 126, Instruction Manual

Page 1: ...126 Digital Multimeter Instruction Manual www com information itm com 1 800 561 8187 ...

Page 2: ...ICAL DATA 1 Features and Benefits 6 2 Product Applications 7 3 Specifications 8 D MEASUREMENT TECHNIQUES 1 Controls and Functions 10 2 Step by Step Procedures a Measuring DC Volts 13 b Measuring AC Volts 15 c Measuring DC Amps 16 d Measuring AC Amps 17 e Measuring Resistance 19 f Measuring Diodes 20 g Continuity Buzzer 21 h Data Hold 21 i Record Mode 22 E ACCESSORIES 23 F MAINTENANCE 24 G TROUBLE ...

Page 3: ...tance Diodes and Continuity The 126 also features REC Records Min Max readings during specified measurement intervals AC DC Toggles between AC DC volts and Amps RANGE Allows the user to manually range the 126 instead of autoranging Data Hold Holds the reading on the display for easy viewing Auto Off Preserves battery life The 126 comes complete with the following accessories 126 Instrument Rubber ...

Page 4: ...ard EN61010 2 032 1995 Safety Standard To ensure conformity with these standards this instrument must be operated in accordance with the instructions and specifications given in this manual CAUTION Even though this instrument complies with the immunity standards the accuracy can be affect ed by strong radio emissions not covered in the above standards Sources such as hand held radio transceivers r...

Page 5: ...tions before testing Have someone check on you periodically if working alone Have complete understanding of circuit being measured Disconnect power to circuit then connect test leads to the 126 then to circuit being measured NEVER Attempt to measure unknown high voltages Attempt to measure current with the meter in parallel to the circuit Connect the test leads to a live circuit before setting up ...

Page 6: ...ents Record Records Min Max values Range Allows you to either manual range or use auto range to select the appropri ate range Auto Off Preserves battery life LCD shows oFF when in this mode Automatically powers down after 30 minutes of inactivity 3 Year Covered by a standard 3 year warranty Warranty 2 Produ Perfor with th HVAC FUNCT DCmV DCV ACA ACV ACV or DCµA OHMS OHMS OHMS OHMS DCmV ELECT FUNCT...

Page 7: ...olled circuits ACA Heat anticipator current in thermostats ACV Line voltage ACV or DCV Control circuit voltage DCµA Flame safeguard control current OHMS Heating element resistance continuity OHMS Compressor winding resistance OHMS Contactor and relay coil resistance OHMS Continuity of wiring DCmV Temperature with optional temperature adapter A301 ELECTRICAL FUNCTION ACV Measure line voltage OHMS C...

Page 8: ...tion Degree 2 a DCV Range Resolution Accuracy Impedance 400mV 0 1mV 0 3 of reading 10MΩ 4V 0 001V 3 digits 40V 0 01V 400V 0 1V 1000V 1V b ACV 45 to 450 Hz Range Resolution Accuracy Impedance 4V 0 001V 0 8 of reading 10MΩ 40V 0 01V 3 digits 400V 0 1V 750V 1V c DCA Range Resolution Accuracy Overload Protection 400µA 0 1µA 0 8 of reading Fuse 4mA 0 001mA 3 digits 0 5Amp 600V 40mA 0 01mA 400mA 0 1mA U...

Page 9: ...otection 3V Approx 30µA 600 V DC or Peak AC g Continuity Buzzer Test Voltage Threshold Over Load Protection 3V 50Ω 600 V DC or Peak AC h General Specifications Max Volt between 1000V any Input and Ground Fuse Protection mA 0 5Amp 600VAC Display Type 4 000 Count 2 times per second update Operating Temp 0 to 40 C 32 to 104 F Storage Temp 10 to 50 C 14 to 122 F Relative Humidity 0 to 80 Power Supply ...

Page 10: ...nds to return to autorange D H Activates the Data Hold function Rotary Switch DCmV Used to measure millivolts DC AC DCV Used to measure AC and DC volts OHM Used to measure ohms resistance Used for testing diodes Function for using audible continuity buzzer µA Used to measure AC and DC microamps mA Used to measure AC and DC milliamps V Function for measuring DC Volts V Function for measuring AC Vol...

Page 11: ...ad connection for current measurement on the µA and mA functions COM Black test lead connection for all functions VΩ Red test lead connection for all Volt Ohm Diode and Continuity measurements or 3 3 seconds buzzer ps s www com information itm com 1 800 561 8187 ...

Page 12: ... most accurate reading can be attained by testing the battery under load To accomplish this follow steps 1 through 4 shown on page 10 and the following 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 126 www com information itm com 1 800 56...

Page 13: ...K RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING mV COM VΩ 0 1mV 400 0mV V COM VΩ 0 001V 600V Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug red test lead into the VΩ input jack 4 Set rotary switch to either the mV or V range depending on the voltage to be measured 5 Connect the test leads to the circuit to ...

Page 14: ...Set up the meter following the steps under Measurement Procedure on page 13 Then proceed with the following Connect the red test lead to the hot side of the outlet and the black lead to the neutral side of the outlet Reconnect power to the outlet and read the voltage on the meter The reading should be approximately 110V to 130V Disconnect power from the outlet and move the red wire to the ground h...

Page 15: ...ADING READING V COM VΩ 0 001V 600V Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug the red test lead into the VΩ input jack 4 Set the rotary switch to the V function depending on the voltage to be measured 5 Connect the test leads to the circuit to be measured 6 Reconnect power to the circuit to be measured 7 Read the...

Page 16: ...M A 0 001A 10 00A Measurement Procedure 1 Disconnect power to circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug the red test lead into the mAµA or A input jack depending on the value of current to be measured 4 Set the rotary switch to the µA mA or 10A function 5 Connect test leads in series to circuit to be measured 6 Reconnect power to the circuit to be measured 7 ...

Page 17: ...A Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug the red test lead into the mAµA or A input jack depending on the value of current to be measured 4 Set the rotary switch to the µA mA or 10A function 5 Connect test leads in series to circuit to be measured 6 Reconnect power to the circuit to be measured 7 Read the cur...

Page 18: ...cedure on page 17 and then proceed with the following Connect the red test lead to one power input line of the motor and the black test lead to the other power input line of the motor In most applications if the reading is OFL the motor winding is open Connect the red test lead to the frame of the motor and the black test lead to the winding In most applications if a reading of 0 Ohms is displayed...

Page 19: ...l readings Instrument set up FUNCTION BLACK RED MINIMUM MAXIMUM TEST LEAD TEST LEAD READING READING Ω COM VΩ 0 1Ω 40 00MΩ Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug the red test lead into the VΩ input jack 4 Set the rotary switch on the 126 to the Ω function 5 Connect the test leads to the circuit to be measured ...

Page 20: ...0V Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug the black test lead into the COM input jack 3 Plug the red test lead into the VΩ input jack 4 Set the rotary switch to the function 5 Connect 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 Reverse te...

Page 21: ...otary switch to the function 5 Press yellow push button to activate continuity buzzer 6 Connect the test leads to the circuit to be measured 7 Listen for the buzzer to confirm continuity h DATA HOLD Press the Data Hold button at any time on any function or range to freeze the reading on the LDC display This func tion is very useful when measuring in locations where the display is difficult to read...

Page 22: ...tely start to record MIN MAX values REC will be on the LCD to show record mode has been activated The reading on the LCD will be the actual reading The 126 will give a confirmation beep every time a new value is recorded 3 Press the REC button a second time and the MIN reading will be displayed 4 Press the REC button a third time and the MAX reading will be displayed on the LCD 5 To terminate the ...

Page 23: ...ries Part No Deluxe Test Lead Set SDK1 IEC 1010 Deluxe Test Lead Kit TLS2000B Temperature Adapter A301 Boot Hook A103 Soft Carrying Case A100 These accessories have not been evaluated by UL and are not considered as part of the UL Listing of this product E ACCESSORIES ximum Activate o ng y e MAX C or n www com information itm com 1 800 561 8187 ...

Page 24: ...nstrument housing e Remove old batteries and replace with new batteries f Reassemble instrument in reverse order from above 2 Fuse Replacement Both the A and mAµA input jacks are fuse protected If either do not function replace fuse as follows a Disconnect and remove all test leads from live circuits and from the 126 b Remove 126 from protective boot c Remove the three screws from back of housing ...

Page 25: ...onnected to circuit under test 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 y BAT when d replace rom live housing rument new er from input jacks n replace rom live f housing nstrument with new order www com information itm com 1 800 561 81...

Page 26: ...Test 503 52 Tes L126M WARRANTY Please refer to product warranty card for warranty statement www com information itm com 1 800 561 8187 ...

Page 27: ...www com information itm com 1 800 561 8187 ...

Page 28: ...V 0 01V 400V 0 1V 600V 1V ACV 4V 0 001V 40V 0 01V 400V 0 1V 600V 1V DCA 400µA 0 1µA 4mA 0 001mA 40mA 0 01mA 400mA 0 1mA ACA 400µA 0 1µA 4000µA 1µA 40mA 0 01mA 400mA 0 1mA OHM 400Ω 0 1Ω 4kΩ 0 001kΩ 40kΩ 0 01kΩ 400kΩ 0 1kΩ 4MΩ 0 001MΩ 40MΩ 0 01MΩ Test Voltage Max Test Current Diode 3V Approx 30µA Test Voltage Threshold Continuity 3V 50Ω www com information itm com 1 800 561 8187 ...