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14

Measuring AC Voltage

WARNING!

Do not attempt to make a voltage measurement of more than
600V or of a voltage level that is unknown. Make sure the tem-
perature probe is NOT plugged in during this test.

Instrument set-up:

FUNC.

BLACK RED 

MIN

MAX

TEST LEAD TEST LEAD

READING

READING

COM

V/

0.1mV

600V

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 

V/

input jack.

4.

Set rotary switch to the 

range.

5.

Connect test leads to circuit to be measured.

6.

Reconnect power to circuit to be measured.

7.

Read the voltage on the 265.

Optional Modes 

HOLD:

Freezes the reading on the LCD.

RANGE:

Activates manual ranging. Press and hold for 
2 seconds to return to auto ranging.

15

2. Step by Step Procedures:

Measuring DC Voltage

WARNING!

Do not attempt to make a voltage measurement of more

than 600V or of a voltage level that is unknown. Make sure
the temperature probe is NOT plugged in during this test.

Instrument set-up:

FUNC.

BLACK RED 

MIN

MAXI

TEST LEAD TEST LEAD

READING

READING

COM

V/

0.1mV

600V

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 

V/

input jack.

4.

Set rotary switch to the 

range.

5.

Connect test leads to circuit to be measured.

6.

Reconnect power to circuit to be measured.

7.

Read the voltage on the 265.

Optional Modes 

HOLD:

Freezes the reading on the LCD.

RANGE:

Activates manual ranging. Press and hold for 
2 seconds to return to auto ranging.

www.

.com

[email protected]

1.800.561.8187

Содержание 265

Страница 1: ...265 Digital Clamp on Meter Instruction Manual www com information itm com 1 800 561 8187 ...

Страница 2: ...NS 5 C TECHNICAL DATA 1 Features and Benefits 6 2 Product Applications 7 3 Specifications 8 10 D MEASUREMENT TECHNIQUES 1 Controls and Functions 11 13 2 Step by Step Procedures 14 21 E OTHER FEATURES 22 F APPLICATION NOTES 23 26 G TROUBLE SHOOTING GUIDE 27 H MAINTENANCE 28 I ACCESSORIES 29 2 www com information itm com 1 800 561 8187 ...

Страница 3: ...gistration card 2 Product Description The 265 is a hand held autoranging clamp on DMM Extra large numerals capacitance frequency and data hold are just a few of the features of the 265 An affordable choice the 265 offers measurements in all basic electrical functions The 265 comes complete with the following accessories Carrying Pouch Test Lead Set Instruction Manual Battery 3 www com information ...

Страница 4: ... the instruc tions and specifications given in this manual CAUTION Even though this instrument complies with the immunity standards it s accuracy can be affected by strong radio emissions not covered in the above standards Sources such as hand held radio trans ceivers radio and TV transmitters vehicle radios and cellular phones generate electromagnetic radiation that could be induced into the test...

Страница 5: ... 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 the 265 then to circuit being measured NEVER Attempt to measure unknown high voltages Attempt to measure DC microamps with the meter in parallel to the circuit Connect the test leads to a liv...

Страница 6: ...L DATA 1 Features and Benefits Agency Meets CE and IEC 1010 Auto Off Automatically powers off after 10 minutes of inactivity When active APO is displayed on the LCD NOTE To disable Auto Off hold down the RANGE button while turning on the 265 2 Per the HVA DCm ACA ACV ACV OHM OHM CAP ACA Hz ELE ACV ACA OHM DCV ACA ELE ACV ACA OHM 6 www com information itm com 1 800 561 8187 ...

Страница 7: ...y of wiring CAP Motor start and run capacitors ACA Motor and compressor start up current Hz Frequency on controls and line voltage ELECTRICAL ACV Measure line voltage ACA Measure line current OHMS Continuity of circuit breakers DCV Voltage of direct drive DC motors ACA Start up current of motors relays contactors and transformers ELECTRONIC ACV Measure power supply voltage ACA Measure power supply...

Страница 8: ...VOLTS 40Hz to 400Hz Frequency Response All Other Ranges Range Res Accuracy 400mV 0 1mV 1 5 of reading 5 digits Impedance 4V 0 001V 10MΩ 40V 0 01V 1 5 of reading 5 digits Overload Protection 400V 0 1V 600VDC or AC RMS 600V 1V 8 OHM Range 400Ω 4kΩ 40kΩ 400kΩ 4MΩ 40MΩ Frequ Range 4000Hz 40 00kH 400 0kH 4 000MH 40 00MH Diode Test Cur 1 5mA M Conti Test Vol 3V UL 3111 Pending 45Hz to 100Hz Frequency Re...

Страница 9: ...of reading 10 digits 40MΩ 0 01MΩ Frequency Hz Range Res Accuracy 4000Hz 1Hz 40 00kHz 0 01kHz 400 0kHz 0 1kHz 0 5 of reading 2 digits Overload Protection 4 000MHz 0 001MHz 250VDC or AC RMS 40 00MHz 0 01MHz Diode Test Test Current Over Load Protection 1 5mA MAX 250 V DC or AC RMS Continuity Buzzer Test Voltage Threshold Over Load Protection 3V 35Ω 250 V DC or AC RMS nding 400A 0A www com information...

Страница 10: ...oltage between any 600V input and ground Fuse Protection µ µA range 0 5A 600V Display Type 4000 Count 41 seg bargraph Operating Temperature 32ºF to 113ºF 0ºC to 40ºC Storage Temperature 4ºF to 140ºF 20ºC to 60ºC Relative Humidity 80 non condensing Power Supply 9V MN1604 Battery Life 80 hrs typical Size H x L x W 32 5mm x 255mm x 65mm 1 3in x 10in x 2 5in Weight 363g 0 8lbs J A R P LCD with Annu Tr...

Страница 11: ...AC Amps Only RANGE Push Button HOLD Push Button Rotary Switch LCD Display with Function Annunciators Input Jacks Trigger for Opening the Jaws D MEASUREMENT TECHNIQUES 1 Controls and Functions www com information itm com 1 800 561 8187 ...

Страница 12: ... hold for 2 seconds to return to auto ranging Rotary Switch OFF Turns the 265 completely off V Used to measure DC volts V Used to measure AC volts Ω Ω Used to measure resistance Used to measure continuity Selects diode test function Selects capacitance test function Hz Selects frequency test function Used to measure AC amperage www com information itm com 1 800 561 8187 ...

Страница 13: ...unctions cont Input Jacks COM Black test lead connection for all measurements except AC Amps V Ω Ω Hz Red test lead connection for all measurements except AC Amps y and auto n www com information itm com 1 800 561 8187 ...

Страница 14: ... MAXI TEST LEAD TEST LEAD READING READING COM V Ω 0 1mV 600V 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 V Ω input jack 4 Set rotary switch to the V range 5 Connect test leads to circuit to be measured 6 Reconnect power to circuit to be measured 7 Read the voltage on the 265 Optional Modes HOLD Free...

Страница 15: ...cedure 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 V Ω input jack 4 Set rotary switch to the V range 5 Connect test leads to circuit to be measured 6 Reconnect power to circuit to be measured 7 Read the voltage on the 265 Optional Modes HOLD Freezes the reading on the LCD RANGE Activates manual ranging Press and hold for...

Страница 16: ...t the stored value from subsequent measurements eliminating the test lead resistance from the reading Instrument set up FUNC BLACK RED MIN MAX TEST LEAD TEST LEAD READING READING Ω COM V Ω 0 1Ω 40 00MΩ 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 V Ω input jack 4 Set the rotary switch to the Ω function 5...

Страница 17: ... LEAD READING READING NOT USED NOT USED 0 01A 400A Measurement Procedure 1 Disconnect power to circuit to be measured 2 Set rotary switch to function 3 Clamp the jaws around one conductor of the circuit to be measured For best results center the wire in the jaw 4 Reconnect power to circuit to be measured 5 Read the current on the 265 Optional Modes HOLD Freezes the reading on the LCD RANGE Activat...

Страница 18: ...is test Instrument set up FUNC BLACK RED TEST LEAD TEST LEAD COM V Ω 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 V Ω input jack 4 Set the rotary switch to the position 5 Connect test leads to circuit to be measured 6 The 265 will beep and the LED will illuminate at resistances of 35Ω or lower Optional M...

Страница 19: ...ck test lead into the COM input jack 3 Plug red test lead into V Ω input jack 4 Set the rotary switch to the 5 Connect the black test lead to the banded end of the diode cathode and the red test lead to the non banded end of the diode anode 6 For a good diode the reading on the display should be between 0 5V and 0 8V The reading will be lower for a germanium diode 7 Reverse the leads on the diode ...

Страница 20: ...ument set up FUNC BLACK RED TEST LEAD TEST LEAD COM V Ω µA 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 V Ω input jack 4 Set the rotary switch to the 5 Remove the capacitor from the circuit and discharge it 6 Connect test leads to the capacitor to be measured Observe polarity on polarity sensitive capaci...

Страница 21: ...TEST LEAD Hz COM V Ω µA Measurement Procedure 1 Disconnect power to the circuit to be measured 2 Plug black test lead into the COM input jack 3 Plug red test lead into V Ω input jack 4 Set the rotary switch to the Hz position 5 Reconnect power to the circuit to be measured 6 Read the frequency on the LCD Optional Modes HOLD Freezes the reading on the LCD RANGE Activates manual ranging Press and ho...

Страница 22: ...l be displayed in the upper left corner of the display Data Hold HOLD Press the HOLD button at any time to freeze the reading on the LCD display This function is useful when measuring in locations where the display is difficult to read Auto Power Off APO Automatically powers off after 10 minutes of inactivity When active APO is displayed on the LCD NOTE To disable Auto Off hold down the RANGE butt...

Страница 23: ...he 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 meter Typically less than 20V should exist from neutral to ground If 110V or above exists the block may be...

Страница 24: ...ing 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 14 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 www ...

Страница 25: ... 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 the winding is shorted to the motor frame ground Application Notes Resistance ges like es even filtering at be r ps...

Страница 26: ...er following the steps under Measurement Procedure on page 17 and then proceed with the following Clamp the meter around a single wire and reconnect power to the device Read the current displayed on the meter 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 ...

Страница 27: ...weak battery that will ohms read high not turn on the low battery indicator on the LCD AC Volts do not read Very weak battery that will not turn on the low battery indicator on the LCD AC Amps does not read Make sure the jaw is clamped around a single wire and the device connected to the wire is turned on p h d www com information itm com 1 800 561 8187 ...

Страница 28: ...ect and remove all test leads from live circuits and from the 265 b Loosen the screw from the back of the 265 battery cover c Remove the battery compartment cover d Remove old battery and replace with new battery Observe the correct polarity on the battery e Reassemble the instrument in reverse order from above 2 Cleaning your 265 Use a mild detergent and slightly damp cloth to clean the surfaces ...

Страница 29: ...40 Soft Carrying Pouch A255 Optional Accessories Part Number Fused Test Lead Kit FTLK3 Deluxe Test Lead Set TLS2000RB Carbon Monoxide Adapter A771 Pressure Adapter A620 Temperature Adapter A301 Differential Temperature Adapter A312 ry ace tery ry an the www com information itm com 1 800 561 8187 ...

Страница 30: ...30 Notes N www com information itm com 1 800 561 8187 ...

Страница 31: ...31 Notes www com information itm com 1 800 561 8187 ...

Страница 32: ...1nF 400nF 0 1nF 4uF 0 001uF 40uF 0 01uF 400uF 0 1uF 4mF 0 001mF Frequency 4000Hz 1Hz 40 00kHz 0 01kHz 400 0kHz 0 1kHz 4 000MHz 0 001MHz 40 00MHz 0 01MHz 265 SPECIFICATIONS PARTIAL LIST 0 5 Basic DCV Accuracy Test Products International Inc 9615 SW Allen Blvd Ste 104 Beaverton OR USA 97005 503 520 9197 Fax 503 520 1225 info tpi thevalueleader com L265M 1 25 05 copyright 2005 Test Products Internati...

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