- Measure DC amperage of motor drive units
- Measure flame safety control current
- Test run and start capacitors and motors
- Measure motor run current and capture peak motor start up amperage
- Measure heat anticipator current
- Determine thermocouple voltage
- Test line and control voltages
- Measure heating element resistance
- Measure air temperature in ducts
- Test for the presence of voltage in circuits without contacting the circuit
- Measure temperature differential using relative mode
- True RMS
- 11,000 count display
- Up to 400 amps AC/DC
- Auto & Manual Ranging
- Data Hold
- Low Battery Indicator
- Over Range Indication (“OL”)
- Peak Hold
- Min/Max
- Relative Mode
- Hi Voltage Indicator(>30V AC/DC)
- Non-contact voltage detection
- Auto Power Off after 30 minutes
- Separate Battery Compartment
- Low Ohm Range (110V)
- Amps AC Resolution: 0.01A
- VDC/VAC Resolution: 0.01mV
- DCìA measurement (0.01mA resolution)
- Temperature measurement
The 275 comes complete with the following accessories:
- Carrying Pouch
- Test Lead Set
- Temperature Probe
- Instruction Manual
- Battery & Fuse
Model 275 Applications
- Measure flame safety control current
- Test start and run capacitors and motors
- Measure motor run current and capture peak motor start up amperage
- Measure heat anticipator current
- Determine thermocouple voltage
- Test line and control voltages
- Measure heating element resistance
- Measure air temperature in ducts
- Test for the presence of voltage in circuits without contacting the circuit
- Measure temperature differential using relative mode
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
- OHMS - Compressor winding resistance
- OHMS - Continuity of wiring
- CAP - Motor start and run capacitors
- ACA - Motor and compressor start up current
- Hz - Frequency on controls and line voltage
- TEMP - Air duct temperatures
- ALL - Bar graph to indicate rapid fluctuations
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 current
- OHMS - Continuity of circuit breakers and fuses
Model 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: 1000°F
- Max Resolution: 1°F
- 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: 32°F to 104°F
Relative Humidity: 80% non-condensing
Storage Temperature: 14°F to 122°F
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
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov