• True RMS 400 Amps AC/DC
• Measure motor in-rush current and run current
• Measure temperature differential using relative mode
• Non-contact voltage (NCV) feature to see if power is being supplied to the 24 VAC control circuit
• Up to 4,000 microfarads to test motor start and run capacitors
• Frequency, Min/Max/Record, Data Hold and Peak Hold
• 11,000 count display with 41 segment analog bargraph
• CAT III 600V rated
• cULus 61010
• 3-year limited warranty

Data Sheet

Instruction Manual

275 Specifications
DC Voltage	Max Range:600V Max Resolution:0.1mV Basic Accuracy: 0.5%
AC Voltage	Max Range:600V Max Resolution:0.1mV Basic Accuracy: 1.2%
DC Amps	Max Range:400A Max Resolution:0.1A Basic Accuracy: 3%
DC Microamps	Max Range:1100uA Max Resolution:0.01uA Basic Accuracy: 0.8%
AC Amps	Max Range:400A Max Resolution:0.1A Basic Accuracy: 3%
Resistance	Max Range:110MΩ Max Resolution:0.1Ω Basic Accuracy: 1%
Frequency	Max Range:110MHz Max Resolution:0.1Hz Basic Accuracy: 1%
Capacitance	Max Range:110mF Max Resolution:0.001nF Basic Accuracy: 3%
Temperature	Max Range:1000øF Max Resolution:1øF Basic Accuracy: 1%
Non-Contact Voltage (NCV)	24VAC and above
Continuity Buzzer	<35Ω
Diode Test	1.5mA Max
True RMS Response	Yes
Peak Hold	Yes
Relative Mode	Yes
Min/Max Record	Yes
Data Hold	Yes
% Total Harmonic Distortion	No
Range Selection	Auto / Manual
Display Type	11000 count LCD
Operating Temperature	32øF to 104øF
Relative Humidity	80% non-condensing
Storage Temperature	14øF to 122øF
Battery Type	9V (MN1604)
Battery Life	80hrs typical
Auto Off / Sleep Mode	Yes
Dimensions (H x L x W)	1.3? x 10? x 2.5?
Weight	0.8lb
Agency Approval	CE IEC 61010: CAT III, 600V cULus 61010

275 Applications
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 heating element resistance
Measure air temperature in ducts
Test for the presense of voltage in circuits without contacting the circuit
Measure temperature differential using relative mode