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Fieldpiece HS33 Expandable Manual Ranging Stick Multimeter HVAC/R Full Featured

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The Fieldpiece HS33 Multimeter is a great entry level modular multimeter. Like every Fieldpiece meter, it’s packed with the features and functions HVACR technicians need to get the job done. The ergonomic shape fits firmly and naturally in your hand while testing. The magnetic hanger, detachable test leads and alligator clip probe tips, allow you to perform tests hands-free.

Because this Fieldpiece multimeter has all the basics and more for a great price, many schools prefer it for their HVACR students. The rugged rubberized bumpers help this meter stand up to tough conditions in the field.

All Fieldpiece accessory heads slide directly on top of the HS33, so you can test a wider variety of parameters than what’s in a single meter. The modular expandability of the HS33 Fieldpiece meter makes it so you don’t have to buy additional expensive meters to perform additional measurements like air flow, amps, static pressure, vacuum, and many more. There are 15 additional accessory heads to choose from.


  • (1) Fieldpiece HS33 Expandable Manual Ranging Stick Multimeter for HVAC/R
  • (1) ACH4 400A Amp Clamp Accessory
  • (1) ADLS2 Deluxe Silicone Test Leads
  • (1) ASA2 Short Alligator Lead Extensions
  • (1) ANC1 Deluxe Meter Case
  • (1) 9-Volt Battery (installed)
  • (1) Operator’s Manual


  • Partners with all accessory heads to do more with one meter
  • Non-contact voltage
  • 400 AAC with included clamp
  • Convenient lead storage
  • Safe one-handed testing
  • Magnetic strap for hands-free testing
  • Non-contact voltage alert
  • Quick, accurate temperature compensation
  • High voltage and continuity indicators
  • MIN / MAX and Data HOLD to record measurements
  • Silicone leads with detachable probe tips
  • Manual ranging
  • Ruggedized rubber corners
  • Capacitance
  • Low ohms for motor windings
  • 1 Year limited warranty


Display : 3½ digit liquid crystal display (LCD) with a maximum reading of 1999.
Overrange : "OL" mark indication.
Auto power off : 60 minutes.
Operating environment : 32 to 122°F (0 to 50°C) at <70% R.H.
Storage temperature : -4 to 140°F (-20 to 60°C), 0 to 80% R.H. with battery removed.
Accuracy : Specifications good in ambient conditions of 73°F ±9°F (23°C ±5°C), <75% relative humidity.
Temperature Coefficient : 0.1×(specified accuracy) per °F/°C. (32 to 64°F (0 to 18°C), 82 to 122°F (28 to 50°C)).
Power : Single standard 9-volt battery, NEDA 1604, JIS 006P, IEC 6F22.
Battery life : 300 hours typical with alkaline.
Accessories : One pair test leads, one pair alligator clips, k-type thermocouple (HS33), 9V battery (installed), and operating instructions.
Safety : UL, CE, Cat III 600V, UL3111, IEC/EN61010-1, C-Tick certified.
Diode test
Test current : ∼1.0mA
Accuracy : ±(1.5% rdg + 3 dgts)
Open circuit volts : 3.0VDC typical
Overload protection : 500VDC or AC rms
Audible indication : Less than 100Ω
Response time : 100ms
Status indicator : Green LED will be on continuously.
Overload protection : 500VDC or AC rms
Range : 200μF
Resolution : 0.1μF
Accuracy : ±(3% rdg + 5 dgts)
Overload protection : 500VDC or AC rms
DC volts
Ranges : 200mV, 2000mV, 20V(HS32), 200V
Resolution : 0.1mV
Accuracy : ±(0.5% rdg + 1 dgt)
Input impedance : 560kΩ on V inputs, 10MΩ on mV input
Overload protection : 600VDC or AC rms, 500VDC/350VAC rms 15 sec on 200mV range
Transient protection : 6kV for 10μ sec
AC volts (50Hz - 500Hz)
Ranges : 200mV, 200V, 600V
Resolution : 0.1mV
Accuracy : ±(1.2% rdg + 3 dgts) ±(2.0% rdg + 5 dgts) on 600V range
Input impedance : 560kΩ on V input, 10MΩ on mV input
Overload protection : 600V DC or AC rms
Transient protection : 6kV for 10μ sec
Ranges : 200Ω, 200kΩ
Resolution : 0.1Ω
Accuracy : ±(1.0% rdg + 4 dgts)
Open circuit volts : 0.3VDC typical, (3.0VDC on 200Ω range)
Overload protection : 500VDC or AC rms
Temperature (HS33)
Range : -30 to 200°F (-34 to 93°C)
Resolution : 0.1°F/°C
Accuracy : ±1°F, 32 to 120°F (0 to 48°C), ±1% + 1.5°F, -4 to 200°F (-20 to 93°C), ±2% + 3°F, -30 to -4°F (-34 to -20°C).
Sensor type : K-type thermocouple
Overload protection : 60 VDC or 30 VAC rms


Q & A

What will the HS33 fieldpiece meter measure?

VAC, VDC, AAC, Temperature, & Capacitance (MFD).

What accessory heads work with the HS33?

  • AVG2 Digital Vacuum Micron Gauge Accessory Head;
  • ATH4 Dual Temperature Accessory Head;
  • ASX14 Superheat & Subcooling Accessory Head;
  • ARH5 Psychrometer Accessory Head;
  • AOX2 Oxygen and Carbon Dioxide Accessory Head;
  • AMN2 Manometer Accessory Head;
  • ADMN2 Dual Port Manometer Accessory Head;
  • ACM4 Carbon Monoxide Detector Accessory;
  • ACH4 400A Amp Clamp Accessory Head;
  • AAV3 Air Velocity and Temperature Accessory Head;
  • AAT3 Hot-wire Anemometer & Psychrometer Accessory Head;

What does the warranty cover?

This Fieldpiece multimeter is warranted against defects in material or workmanship for one year from date of purchase.

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