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ATH4: Dual Temperature Accessory Head

The Fieldpiece Dual-Temperature Accessory, model ATH4, measures two temperatures simultaneously using the included k-type, wrap tab beaded thermocouples.  The technology inside the ATH4 provides superior temperature compensation in rapidly changing environments commonly found while performing field service.  Use the ATH4 to find Delta T and just about any temperature split you want to measure.  Displays T1, T2 and T1-T2 on your Fieldpiece meter, handle or data logger.  It is included with the HVAC Guide® System Analyzer to get target superheat and for the Target Evaporator Exit Temperature test. Fieldpiece offers a wide variety of k-type thermocouples for various HVAC specific applications. Use pipe clamp T/Cs with the ATH4 to check for blocked filters. 

Use wet and dry bulb thermocouples to find target superheat.

Designed for HVAC/R, the Dual-Temperature Accessory, model ATH4, measures two temperatures and calculates the difference

  • Field calibration for ±1ºF accuracy
  • Displays ºF directly at 0.1ºF resolution on DMM with 0.1mVDC resolution
  • Select ºF or ºC
  • Converts from -50ºF to 1800ºF (optional thermocouple required for 1800ºF)
  • Includes two “wrap tab” thermocouples plus velcro straps. Thermocouples insulated to 400ºF
  • Auto-off can be disabled for data logging

Displays T1, T2, or T1-T2

  • Accepts any K-type thermocouple
  • Resolution of 0.1° C
  • External calibration pots make field calibration a breeze
  • Two K-type thermocouples included
  • Superior temperature compensation in rapidly changing environments 

Make it Wireless with the EH4W kit.


ATH4 - Dual Temperature Accessory Head

What's Included

  • Dual-Temperature Accessory - ATH4
  • (2) K-type Wrap Tab Bead Thermocouples - ATB1
  • (2) Velcro Tie- wraps (not pictured)
  • Mini-calibration Screwdriver
  • 9V Battery (installed)
  • Operator’s Manual

SKU ATH4-Clearance
Brand Fieldpiece
Shipping Weight 1.0000kg
Shipping Width 0.200m
Shipping Height 0.300m
Shipping Length 0.150m
Shipping Cubic 0.009000000m3
Unit Of Measure ea
Assembled Length 0.150m
Assembled Height 0.300m
Assembled Width 0.200m
1 - Year Manufacturers Warranty from Date of Purchase
​Excludes Consumables such as Filters, Gaskets, Leads, Batteries, Fuses, Sensors, Case etc

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