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270 Specifications | |
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DC Voltage
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Max Range:600V
Max Resolution:0.1mV Basic Accuracy: 0.5% |
AC Voltage
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Max Range:600V
Max Resolution:0.1mV Basic Accuracy: 1.2% |
DC Amps
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N/A
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DC Microamps
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Max Range:400uA
Max Resolution:0.01uA Basic Accuracy: 3% |
AC Amps
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Max Range:400A
Max Resolution:0.1A Basic Accuracy: 3% |
Resistance
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Max Range:40MΩ
Max Resolution:0.1Ω Basic Accuracy: 1% |
Frequency
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Max Range:400MHz
Max Resolution:0.1Hz Basic Accuracy: 1% |
Capacitance
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Max Range:40mF
Max Resolution:0.001nF Basic Accuracy: 1% |
Temperature
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Max Range:1000°F
Max Resolution:0.1°F Basic Accuracy: 1% |
Non-Contact Voltage (NCV)
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24VAC and above
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Continuity Buzzer
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<35Ω
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Diode Test
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1.5mA Max
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True RMS Response
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No
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Peak Hold
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Yes
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Relative Mode
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Yes
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Min/Max Record
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Yes
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Data Hold
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Yes
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% Total Harmonic Distortion
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No
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Range Selection
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Auto / Manual
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Display Type
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4000 count LCD with analog bargraph
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Operating Temperature
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32°F to 113°F
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Relative Humidity
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80% non-condensing
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Storage Temperature
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-4°F to 140°F
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Battery Type
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9V (MN1604)
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Battery Life
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80hrs typical
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Auto Off / Sleep Mode
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Yes
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Dimensions (H x L x W)
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1.3” x 10” x 2.5”
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Weight
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0.8lb
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Agency Approval
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CE IEC 61010: CAT III, 600V
cULus 61010 |
270 Applications |
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Measure flame safety control current |
Test start and run capacitors & motors |
Measure motor run current and capture peak motor start up and amperage |
Measure heat anticipator current |
Determine thermocouple voltage |
Test line and control voltage |
Measure air temperature in ducts |
Test for the presense of voltage in circuits without contacting the circuit |
Measure temperature differential using relative mode |
CLAMP-On TECH Tips | |
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TPI 270 VOLTAGE RANGE FLOATING ZERO The TPI 270 clamp-on meter has a high input impedance of 10 Megohms to prevent circuit loading, permit the use of optional adapters, and ensure accurate measurements. This beneficial feature, along with the DC millivolt range being part of the DC volt function and not isolated on a separate range, causes the 270 to display a non-zero or “floating” reading when the inputs are open circuit. This floating reading has no affect on accuracy when making measurements because an open input is a floating condition and not a zero volt input state. When the inputs are shorted, the 270 will display zero (±2 counts). When the inputs are connected to a voltage the 270 will display the applied voltage accurately. |
CLAMP-On FAQs | |
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1. How does the non-contact voltage feature of the TPI 270 and 275 benefit me? The non-contact feature of the TPI 270 and 275 allows you to detect live circuits without using the test leads, which enables faster checks for the presence of voltage. 2. Which of the TPI clamp-on meters will measure temperature? The 270 and 275 have this feature built in and the 255, 265, and 291 can measure temperature by using the optional A301 or a A312 K-type thermocouple adapters. 3. Which TPI clamp-ons can measure DC microamps? The TPI 270 and 275 has the capability to measure DC microamps by using the test leads. This is very useful for making flame safety control current measurements. The 265 can measure DC microamps with the optional A213 adapter. 4. Does a clamp-on meter measure anything besides amps? All TPI clamp-on meters measure AC/DC volts and resistance. Models are available with temperature, frequency, capacitance, and non-contact voltage detection capability as well as many other features. Various adapters including temperature (A301 or A312), carbon monoxide (A771), and pressure (A620/630) are available. Contact TPI for additional information. 5. Is it possible to measure AC amps on a device that uses a power cord? Yes, to accomplish this you can use the TPI line splitter (A202). AC amps must be measured by isolating a single wire and the A202 line splitter does this without damaging the power cord. |