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29

l. Disable Sleep Mode

1.

Set the 296 to the 

OFF 

position.

2.

Push and hold down the 

HOLD

button while 

turning the rotary switch to the desired function.

3.

Release the 

HOLD

button.

4.

Check the LCD to see if the HOLD function is 
activated. If “H” is on the display, push the 

HOLD

button to deactivate the DATA HOLD mode.

5.

Sleep mode is now deactivated.

6

INTERNATIONAL SYMBOLS

CAUTION: RISK OF ELECTRIC SHOCK

AC (ALTERNATION CURRENT)

DC (DIRECT CURRENT)

REFER TO INSTRUCTION MANUAL

GROUND
DOUBLE INSULATION

EITHER DC OR AC

!

Содержание Amp Plus

Страница 1: ...0A 0 1A 700A 1A OHM 400Ω 0 1Ω 4kΩ 0 001kΩ 40kΩ 0 01kΩ Frequency 1KHz 0 1Hz 10KHz 0 001KHz Continuity Test Voltage Threshold 3V 100Ω 100 digits Diode Test Test Voltage Max Test Current 3V Approx 2 5mA 296 SPECIFICATIONS 0 75 Basic DCV Accuracy Test Products International Inc 296 Digital Clamp on Meter Amp Plus Instruction Manual ...

Страница 2: ... Fax 503 520 1225 tpiusa msn com Test Products International plc 2 Newcourt Business Park Perry Road Harlow Essex CM18 7PR England Tel 01279 439647 Fax 01279 450553 L296M 12 1 97 copyright 1997 Test Products International Inc WARRANTY Please refer to product warranty card for warranty statement ...

Страница 3: ...eclaration of Conformity 4 B SAFETY CONSIDERATIONS 5 C TECHNICAL DATA 1 Features and Benefits 7 2 Product Applications 8 3 Specifications 9 D MEASUREMENT TECHNIQUES 1 Controls and Functions 13 2 Step by Step Procedures 16 E ACCESSORIES 30 F MAINTENANCE 31 G TROUBLE SHOOTING GUIDE 32 ...

Страница 4: ...t It is backed by a 3 year limited warranty Please remember to complete and return your product warranty registration card 2 Product Description The 296 is a clamp on plus DMM with True RMS and Harmonics capabilities The 296 offers measurements in all basic electrical functions plus True RMS Provides accurate and dependable readings of non linear loads HDR Mode Determines if a signal is clean or d...

Страница 5: ...lication of the following standards EN 50081 1 1992 Emissions Standard EN 50082 1 1992 Immunity Standard EN 61010 1 1993 Safety Standard EN 61010 2 031 1995 Safety Standard EN 61010 2 032 1995 Safety Standard To ensure conformity with these standard this instru ment must be operated in accordance with the instruc tions and specifications given in this manual CAUTION Even though this instrument com...

Страница 6: ... is obtained GENERAL GUIDELINES ALWAYS Test the 296 before using it to make sure it is operating properly Inspect the test leads before using to make sure there are no breaks or shorts Double check all connections before testing Have someone check on you periodically if working alone Have a complete understanding of the circuit being measured Disconnect power to circuit then connect test leads to ...

Страница 7: ...Release the HOLD button 4 Check the LCD to see if the HOLD function is activated If H is on the display push the HOLD button to deactivate the DATA HOLD mode 5 Sleep mode is now deactivated 6 INTERNATIONAL SYMBOLS CAUTION RISK OF ELECTRIC SHOCK AC ALTERNATION CURRENT DC DIRECT CURRENT REFER TO INSTRUCTION MANUAL GROUND DOUBLE INSULATION EITHER DC OR AC ...

Страница 8: ...ediately after the test 7 C TECHNICAL DATA 1 Features and Benefits Agency UL Listed to U S and Canadian Safety Standards Meets CE and IEC 1010 True RMS Needed to accurately measure non sinu soidal AC voltage and current waveforms found on many controls and circuits HDR Mode Determines if a signal is clean or distorted Displays the harmonic distortion ratio on ACV and ACA at line voltage and 60 Hz ...

Страница 9: ...instrument 8 2 Product Applications Perform the following tests and or measurements with the 296 and the appropriate function HVAC R ACA Heat anticipator current in thermostats ACV Line voltage ACV or DCV Control circuit voltage OHMS Heating element resistance continuity OHMS Compressor winding resistance OHMS Contactor and relay coil resistance ACA Motor and compressor start up current OHMS Conti...

Страница 10: ...hould be between 0 5 and 0 8 volts 7 Reverse test lead connections in 5 above 8 Reading on the display should be OFL Overload NOTE If diode reads 0 in both directions diode is shorted If diode reads OFL in both directions diode is open 9 3 Specifications IEC 1010 Over Voltage CAT II 1000VDC 600VAC CAT III 600V Pollution Degree 2 INSTALLATIONⅠ Ⅱ Ⅲ INSTALLATION CATEGORY OVERVOLTAGE CATEGORY Ⅰ Signal...

Страница 11: ... on the LCD 6 Connect test leads to circuit to be measured 7 Listen for the buzzer to confirm continuity Optional Modes HOLD Freezes the reading on the LCD TRIM Push TRIM button to stabalize reading 10 3 Specifications cont a DCV Range Resolution Accuracy Impedance 40V 0 01V 0 75 of reading 10MΩ 400V 0 1V 3 digits 600V 1V b1 ACV 45Hz to 60Hz Range Resolution Accuracy Impedance 40V 0 01V 1 0 of rea...

Страница 12: ...d the resistance value on the 296 Optional Modes HOLD Freezes the reading on the LCD RANGE Manually ranges the instrument TRIM Push TRIM button to stabalize reading REC Record minimum maximum and average values 11 3 Specifications cont c ACA Range Res Accuracy Freq Response 40A 0 01A 2 of reading 20 digits 45Hz to 60Hz 4 of reading 20 digits 30Hz to 45Hz 4 of reading 20 digits 60Hz to 1KHz 400A 0 ...

Страница 13: ...hms is displayed the winding is shorted to the motor frame ground 12 g Diode Test Test Voltage Max Test Current Over Load Protection 3V Approx 2 5mA 600 V DC or Peak AC h Frequency Range Res Accuracy Overload Protection 1KHz 0 1Hz 0 2 of reading 600V DC or 10KHz 0 001KHz 3 digits AC Peak h General Specifications Max Volt between 600V any Input and Ground Display Type 4 000 Count 4 times per second...

Страница 14: ...eter This is the running current of the motor Disconnect power to the motor and put the meter in PEAK HOLD mode Reconnect the power and read the current displayed on the meter This is the in rush or start up current of the motor 13 D MEASUREMENT TECHNIQUES 1 Controls and Functions Push Buttons TRIM Activates TRIM PEAK and HDR functions Except on Frequency Range FUNC Toggles between AC and DC volts...

Страница 15: ...rrent on the 296 Optional Modes TRIM Push TRIM button to stabilize reading HOLD Freezes the reading on the LCD RANGE Manually ranges the instrument PEAK Measures the peak amperage HDR Check the harmonic distortion ratio REC Record minimum maximum and average values 14 1 Controls and Functions cont Rotary Switch OFF Turns the 296 completely off V Used to measure AC and DC volts Ω Used to measure re...

Страница 16: ...t of the motor Disconnect power to the motor and put the meter in PEAK HOLD mode Reconnect the power and read the current displayed on the meter This is the in rush or start up current of the motor 15 Application Notes When measuring DC Voltage of a bat tery the most accurate reading can be attained by testing the battery under load To accomplish this follow steps 1 through 4 shown on page 15 and ...

Страница 17: ... the LCD RANGE Manually ranges the instrument REC Record minimum maximum and average values TRIM Push TRIM button to stabilize reading 16 2 Step by Step Procedures a Measuring DC Volts WARNING Do not attempt to make a voltage measurement of more than 600V or of a voltage level that is unknown Instrument set up FUNC BLACK RED MIN MAXI TEST LEAD TEST LEAD READING READING V COM V Ω 0 01V 600V Measure...

Страница 18: ...ng on the LCD RANGE Manually ranges the instrument PEAK Measures the peak voltage REC Record minimum maximum and average values HDR Check harmonic distortin ratio 17 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 17 Then proceed with the foll...

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