275 TPI (Test Products Int), 275 Datasheet
Specifications of 275
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275 Summary of contents
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... Digital Clamp-on Meter Instruction Manual 275 ...
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TABLE OF CONTENTS A. INTRODUCTION 1. Congratulations ..........................3 2. Product Description ....................3 3. Declaration of Conformity ..........4 B. SAFETY CONSIDERATIONS ..............5 C. TECHNICAL DATA 1. Features and Benefits..................6 2. Product Applications ..................7 3. Specifications..............................8 D. MEASUREMENT TECHNIQUES 1. Controls and ...
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... The slim design 275 is a hand-held, autoranging clamp-on DMM. Extra large numerals, DC amps, min/max, capacitance, DC microamps and duty cycle are just a few of the features of the 275. An affordable choice, the 275 offers measurements in all basic electri- cal functions with additional advanced features like non- contact voltage ...
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... EC Declaration of Conformity This is to certify that TPI Model 275 conforms to the protection requirements 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 Voltage Directive by application of the following standards: EN 50081-1 EN 50082-1 EN 61010-1 EN 61010-2-031 ...
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... Do not attempt to measure unknown voltages or components until a complete understanding of the circuit is obtained. GENERAL GUIDELINES ALWAYS • Test the 275 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. • ...
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INTERNATIONAL SYMBOLS CAUTION: RISK OF ELECTRIC SHOCK AC (Alternation Current) DC (Direct Current) REFER TO INSTRUCTION MANUAL GROUND DOUBLE INSULATION EITHER TECHNICAL DATA 1. Features and Benefits Agency Meets CE and IEC 1010. Analog Bar Displays ...
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... Product Applications Perform the following tests and/or measurements with the 275 and the appropriate function: HVAC/R DCmV • Thermocouples in furnaces. ACA • Heat anticipator current in thermostats. ACV • Line voltage. ACV or DCV • Control circuit voltage. DC µ µ A • Flame safegaurd control current. ...
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Specifications IEC 1010 Over Voltage: CAT II - 1000V CAT III - 600V Pollution Degree 2 Temperature for gauranteed accuracy: 23ºC +5ºC DC VOLTS Range Res. 110mV 0.1mV 1V 0.001V 11V 0.01V 110V 0.1V 600V 1V (45Hz to 100Hz ...
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DC Microamps Range Res. 110uA 0.01µA 1100uA 0.1µ microamps are measured with the test leads in series with the circuit under test. DC AMPS Range Res. 110A 0.01A 400A 0.1A OHM ( Resistance, Range Res. 110Ω 0.01Ω 1kΩ ...
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... Non-Contact Voltage (NCV) Detection Range: 24VAC and above Temperature (K-Type thermocouple) Range Res. Accuracy -30ºF to 1000ºF 1ºF Overload Protection: 60VDC or 30VAC RMS **Celsius version of the 275 is available Warning: 10 Over Load Protection 250 RMS Over Load Protection 250 RMS +(2ºF) 32.0ºF to 120ºF + (1%+2º ...
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Capacitance Range Res. 11nF 0.001nF 110nF 0.01nF 1.1uF 0.0001uF 11µF 0.001µF 110µF 0.01µF 1.1mF 0.0001mF 11mF 0.001mF 110mF 0.01mF nF= nanofarad, µF= microfarad, mF= millifarad General Max Voltage between any 600V input and ground Fuse Protection (µ µ A range) ...
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D. MEASUREMENT TECHNIQUES 1. Controls and Functions: Push Buttons REL Activates Relative mode. Press and hold for 2 seconds to deacti- vate. D-H Holds the reading on the display until the button is pushed a second time. R-H Activates manual ...
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... Controls and Functions: (cont.) Rotary Switch OFF Turns the 275 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. µ µ A Selects DC microamp function. ...
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... Plug red test lead into the V/ 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 275. Optional Modes (See Other Features Section) • D-H: Freezes the reading on the LCD. ...
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... Plug red test lead into the V/ 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 275. Optional Modes (See Other Features Section) • D-H: Freezes the reading on the LCD. ...
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... Disconnect power to circuit to be measured. 2. Plug black test lead into the COM input jack. 3. Plug red test lead into V/ 4. Set the rotary switch to the 5. Connect test leads to circuit to be measured. 6. Read the resistance value on the 275. Optional Modes (See Other Features Section) • D-H: Freezes the reading on the LCD ...
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... Measuring AC Amperage CAUTION! Do not attempt to make a current measurement with the test leads. The 275 measures the current by clamping the jaw around one conductor (wire). Clamping around more than one wire will result in erroneous readings. Make sure the temperature probe is NOT plugged in during this test. ...
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... Measuring DC Amperage CAUTION! Do not attempt to make a current measurement with the test leads. The 275 measures the current by clamping the jaw around one conductor (wire). Clamping around more than one wire will result in erroneous readings. Make sure the temperature probe is NOT plugged in during this test. ...
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... Plug black test lead into the COM input jack. 3. Plug red test lead into V/ 4. Set the rotary switch to the 5. Connect test leads to circuit to be measured. 6. The 275 will beep and the resistances of 35 Optional Modes (See Other Features Section) • ...
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Measuring Diodes WARNING! Do not attempt to make diode measurements with the circuit energized. For accurate tests, remove the diode completely from the circuit prior to measuring it. Make sure the tempera- ture probe is NOT plugged in during this ...
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Measuring Capacitance WARNING! All capacitance measurements are to be made on de-energized circuits with all capacitors discharged only. Failure to de-energize and discharge capacitors prior to measuring them could result in instrument damage and/or personal injury. Make sure the temper- ...
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Measuring Frequency WARNING! Never attempt a frequency measurement with a voltage source greater than 500V. Determine the voltage of any unknown fre- quency source before connecting the instrument in frequency mode. Make sure the temperature probe is NOT plugged in ...
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... Set the rotary switch to the 5. Connect the test leads in series to the circuit to be measured. 6. Reconnect power to circuit to be measured. 7. Read the current on the 275. Optional Modes (See Other Features Section) • D-H: Freezes the reading on the LCD. • Records minimum and maximum measure- MAX/MIN: ments ...
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... Measuring Temperature CAUTION! Do not attempt to make a temperature measurement with the test leads connected to the 275. Remove the test leads and insert the K-type temperature probe. Instrument set-up: FUNC. BLACK TEST LEAD 400ºF N/A 1000ºF N/A Measurement Procedure: 1. Remove the test leads from the input jacks. ...
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... Press and hold the NCV button. 3. Put the arrow marked on the jaw close to the wire under test voltage is present the 275 will beep and the NCV LED will illuminate voltage is not detected, confirm the result by perform- ing a voltage measurement as outlined earlier in this manual ...
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... To clear or exit relative mode, press and hold the REL button for approximately two seconds and the 275 will beep and return to normal operation. Note: Differential temperature measurements can be made using relative mode. See the application note on page 33 for more information. ...
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... MIN and the minimum reading recorded. 3. Press the MAX/MIN button again and MAX MIN will blink and the 275 will display the measured value in real time. Steps 2 and 3 can be repeated to read the maximum and minimum recorded values. If REL was activated and is being used with ...
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... This is helpful when measuring inrush current. NOTE: Peak mode can display counts on the dis- play when first activated. For example, if the 275 is set to the ACA function and manually ranged to the 40A range, when P-H is activated the display can read up to 0.70. ...
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... Press the D-H 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. LED Indicators The 275 is equipped with three LED indicators at the top near the jaw. HI-V This indicator flashes and the 275 beeps when the test leads are in contact with a voltage of 30V AC/DC or more ...
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F. Application Notes (AC Volts) 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 ...
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... Application Notes (DC Volts) The 275 will accurately measure rectified DC Voltages like those encountered in furnaces and other appliances even though many of these devices do not have output filtering or other signal conditioning. When measuring DC Voltage of a bat- tery, the most accurate reading can be attained by testing the battery under load ...
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Application Notes (Resistance) When measuring resistance of a motor, make sure the power is disconnected prior to testing. Set up meter following steps under “Measurement Procedure” on page 16, and proceed with the following: • Connect the red test lead ...
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Application Notes (AC Amps) When measuring AC Amps of a motor there are two types of measurements that can be made, running current and in-rush or start-up current. Start-up current will usually be much higher than running current. Set up ...
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... Remove the test leads from the input jacks. Insert the K-type thermocouple probe into the input jack on the 275. Set the 275 to the desired TEMP function. • Touch the temperature probe sensor to the device under test (T1). ...
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G. Trouble Shooting Problem Does not power up Won’t display DC microamp readings All functions except ohms read high AC Volts do not read Non-Contact Voltage does not work The meter beeps when set on TEMP AC Amps does not ...
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... Disconnect and remove all test leads from live circuits and from the 275. b. Loosen the screw from the back of the 275 battery / fuse cover. c. Remove the battery / fuse compartment cover. d. Remove old battery or fuse and replace with new battery or fuse ...
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... Volt Alkaline Battery Test Lead Set (1000V CATIII 10A) 0.5A / 600V Fuse Soft Carrying Pouch Optional Accessories Fused Test Lead Kit Deluxe Test Lead Set Carbon Monoxide Adapter Pressure Adapter Part Number A009A A085 A107 A275 Part Number FTLK3 TLS2000RB A771 A620 37 ...
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... 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 L275M • 1/25/05 copyright © 2005 Test Products International, Inc. (PARTIAL LIST) (also see pages 8-11) Res. 0.01mV 0.0001V 0.001V ...