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Home / Shop / HVAC Test & Measurement Tools / Electrical Testers / Fieldpiece LT17A Digital Multimeter

Fieldpiece LT17A Digital Multimeter


35 in stock

FREE delivery over $99

Easy 30 day return (Domestic)

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Need Help? Speak with our HVAC and tools experts. Call or text (786) 239-7444.


The Fieldpiece LT17A Digital Multimeter manual ranger covers the parameters and ranges you need for most HVACR applications. The LT17A meter measures current, resistance, voltage, capacitance, frequency, continuity, and temperature. Test leads are stored in the meter body and, with the probe tips removed, connect to any Fieldpiece accessory head. The body is durable ABS plastic and comes with a bright blue backlight for poorly lit test areas. Get great accuracy using the included k-type thermocouple and an easily accessible temperature calibration pot.

Its main competitive advantage is the testing capabilities packed into this classic style meter. In addition to all ranges, it has direct temperature measurements. It works with all of our accessory heads to make it one of the complete classic style meters available for HVACR professionals.

Fieldpiece LT17A Digital Multimeter can measure Temperature and Alternating Current/Direct Current Voltage & Current, Frequency, Capacitance, Resistance, Temperature, and Diode Testing. Changeable test leads mean you can change the heads, and the ABS plastic case is highly durable. This meter has a bright backlight and a k-type thermocouple.

Some of the nice features of this Fieldpiece multimeter is it has a continuity indicator.  It also offers silicone leads with detachable probe tips. And lastly, it has an auto power-off (APO) to conserve battery life.

  • Fieldpiece LT17A Digital Multimeter with Temperature
  • Works with Fieldpiece Accessory Heads
  • Continuity Indicator
  • 400AAC
  • Capacitance (MFD)
  • Temperature
  • Microamps DC – Flame Rectification Tests
  • Frequency
  • Silicone Leads with Detachable Probe TipsLTCaseStand
  • Tilt Stand and Magnetic Hanger
  • Bright Blue Backlight
  • MAX/MIN hold
  • Record the minimum or maximum reading during a measurement. To exit the MIN/MAX function, hold the button for more than 2 seconds
  • Volts AC
  • Volts DC
  • Resistance (Ohms)
  • Diode Test
  • Rugged ABS case with rubber boot
  • Even though it’s a classic style meter it still fits naturally in your hand
  • Auto power-off (APO) to conserve battery life
Fieldpiece LT17A Digital Multimeter with Temperature
DC Voltage
Ranges : 200mV, 2000mV, 20V, 200V, 600V
Resolution : 0.1mV
Accuracy : 0.5%±1
Input Impedence : 10MO
AC Voltage (50Hz-500Hz)
Ranges : 200mV, 2000mV, 20V, 200V, 600V
Resolution : 0.1mV
Accuracy : 1.2%±4(200mV to 20V ranges), 2%±4(200V and 600V ranges)
Input Impedence : 10MO
DC Current (through meter)
Ranges : 200µA, 20mA, 200mA
Resolution : 0.1µA
Accuracy : 1.0%±1
Voltage burden : 800mV
AC Current (through meter)
Ranges : 200µA, 20mA, 200mA
Resoltuion : 0.1µA
Accuracy : 1.5%±4
Voltage burden : 800mV
Frequency (autoranging)
Range : 10Hz to 40KHz
Resoltuion : 1Hz
Sensitivity : 3.5V rms min
Accuracy : 0.1%± 3
Resistance (ohms)
Ranges : 200O, 2kO, 200kO, 20MO
Resolution : 0.1O
Accuracy :
  • 1.0%±4 (200O to 200kO ranges),
  • 2.0%±4 (20MO range)
Open circuit voltage : 0.3VDC typical, (3.0VDC on 200O)
Diode Test
Accuracy : 1.5%±3
Test current : 1.0mA approx.
Open circuit voltage : 3.0VDC typical
Capacitance (MFD)
Ranges : 200µF, 2kµF, 20kµF
Resolution : 0.1µF
Accuracy : 4%±10
Test frequency : 21Hz
Test voltage : <3.0V
Ranges : -30 to 1400°F (-34 to 750°C)
Resolution : 0.1°F/°C
Accuracy :
  • ±1°F; 32 to 120°F (±0.5°C; 0 to 48°C),
  • ±1.0%+1.5°F; -4 to 750°F (±1.0%+1.0°C; -20 to 399°C)
  • ±3.0%+4°F; -30 to -4°F and 750 to 1400°F
  • v,\
Sensor type : K-type thermocouple
Field Calibration (temp offset pot) :
  • The LT17A can be easily calibrated on the job. Use a bucket of ice water to have a known 32°F (0°C) temperature
  • With the thermocouple in the ice water, adjust the TEMP OFFSET pot on the face of the meter until it reads 32.0 (0.0)
Fuse Replacement : When only certain ranges quit working, check the fuse. Open the case and replace according to the Overload Protection values below. If that doesn’t work visit our Warranty check for other problems
Overload Protection
  • (200mV range ) 600VAC/DC rms for 15 sec
  • (>200mV range) 600VAC/DC rms
AAC/DC : 0.25A/500V fuse (6.3X32mm)
Capacitance : 0.25A/500V fuse (6.3X32mm) model RFM66
Temperature : 30VAC/DC rms
Frequency : 500VAC/DC rms
Resistance : 500VAC/DC rms
Diode Test : 500VAC/DC rms
Continuity : 500VAC/DC rms
Auto-off : off after 25 minutes to extend battery
Indicators : Continuity beeper (<100O). Low bat
Overrange : "OL" or “-OL” is displayed
Operating environment : 32 to 122°F (0 to 50°C) <70%RH
Storage environment (with batteries removed) : -4 to 140°F (-20 to 60°C) <80%RH
Altitude : 6561.7 feet (2000m)
Battery life : 150 hours typical
Battery type : 9V NEDA 1604 type
Stated accuracies : 74°F±8°F (23°C±4°C), 75%RH
Temperature coefficient : 0.1 x (specified accuracy) 1°F/°C (32 to 66°F (0 to 19°C), 82 to 122°F (28 to 50°C))

No product questions available.

  • No product manuals available.

No product videos available.

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  • (1) Short Alligator Lead Extensions – ASA2
  • (1) Mail Pouch-Style Instrument Case – ANC5
  • (1) 9-Volt Battery (installed)
  • (1) Operator’s Manual
Fieldpiece LT17A Digital Multimeter
Fieldpiece LT17A Digital Multimeter