Dual-Temperature Accessory - ATH4

»Home »Product Andalan »fieldpiece »Thermometer » Dual-Temperature Accessory - ATH4

Dual-Temperature Accessory - ATH4

The ATH4 dual temperature head offers excellent temperature compensation for fast accurate measurements of temperature differential and with optional thermocouples, hi-temp and wet bulb readings.

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.

Converts the voltages from two K-type thermocouples to display temperature on any digital multimeter with industry standard jacks. For 0.1º resolution, use a DMM that displays 0.1mVDC. The ATH4 converts the Fieldpiece stick series meter, DL3 data logger and EHDL1 electronic handle to a one-piece dual-input temperature meter. Use the optional Fieldpiece ADLS2 deluxe silicone test leads or the AHDL1 adapter handle with the ATH4 for use with DMMs with industry standard jacks. 

Operation
Insure the temperature being measured is stable. Maintain good contact between the thermocouple and what's being measured. Set the meter on 200mV or 2000mV range for 0.1º or 1º resolution respectively. Slide the switch to "T1" to measure display T1, to "T2" to display T2, and to "T1-T2" to measure the difference between T1 and T2.

Velcro Tie-wrap Instructions
Two Velcro straps have been included with the ATH4 to make it easier to measure pipe temperatures. Use the Velcro strap to hold the bead of the model ATB1 thermocouple against the pipe.

 

Features and Benefits

Designed for HVAC/R, the Dual-Temperature Accessory, model ATH4, measures two temperatures and calculatesthe difference in English or metric units.

  • 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.

 

Competitive Advantages

There are other digital thermometers and dual temperature meters our there.  Ours is unique.  Because of the technology we employ inside, the ATH4 offers superior temperature compensation in rapidly changing environments commonly found while performing field service. Meters with thermocouple adapters often take a long time to stabilize due to transfer of ambient heat to the adapter while in a pocket, in the back of your truck, even the heat generated while in your hand.  The ATH4, as with all of our k-type thermometers and meters, stabilizes rapidly so you can take it from the rooftop to the walk-in and get more accurate readings faster than the competition.

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

 

Recommended Accessories and Replacement Parts

Technicians who like the ATH4 may also enjoy these instruments and accessories:

HG1-SRC-product-tmb

 

HVAC Guide® System Analyzer - HG1

The HVAC Guide tm Guided Probe Tester from Fieldpiece guides technicians, step-by-step through critical HVAC system tests including Target Evaporator Exit Temperature, Superheat, Subcooling and Combustion Analysis. Like all Fieldpiece Instruments, the HVAC Guide tm Tester is designed to make the HVACR field technician's job easier, faster, safer and more effective. Upload customer records to your PC and back to the HVAC Guide tm Tester when you go to visit them for a check-up. Make sure you've covered the important tests on every call. The HVAC Guide tm Tester: Do it right every time.

Read More..

HS36-SRC-product-tmb

Expandable True RMS Stick Multimeter with Backlight - HS36

Our top of the line True RMS Stick Meter, the HS36 includes the ranges you use everyday for HVAC/R field service plus includes a bright blue backlight and True RMS. Like the rest of the HS30 series, the HS36 comes equipped with a magnetic hanger, along with detachable silicone test leads and alligator clip probe tips for remote and easy one-handed testing, as well as the full set of built-in safety features.  This auto-ranging stick meter also includes a bar graph on the LCD for an analog feel. Technicians who prefer our expandable stick meters tell us this is the best digital multimeter for HVAC/R field Service.

Read More..

DL3-SRC-product-tmb

Expandable HVAC/R Data Logger - DL3

The DL3 Data Logger from Fieldpiece Instruments measures and records any parameter from any accessory head Instrument we offer. It holds up to 20,000 data points and can be set to record in a range from once every second to once ever 999 hours. Record and export data in .xls format to your PC for use in work orders, troubleshooting and service contracts. A real-time clock time stamps every data point for pinpoint accuracy. Use multiple data loggers to monitor several parameters to make troubleshooting and commissioning easier.We’ve updated the function of the DL3 to include features you asked us to add. Combined with our accessory head instruments, we’re comfortable saying the DL3 is the most versatile data logger for HVAC/R field service.

Read More..

SSX34-SRC-product-tmb

Superheat and Subcooling for A/C and Refrigeration - SSX34

The Fieldpiece Superheat and Subcooling for Air Conditioning and Refrigeration meter, model SSX34, measures suction line, or low side, line temperature and pressure. It then calculates actual superheat in real time using built-in P/T charts. It also measures liquid line, or high side, temperature and pressure, and calculates actual subcooling.  Use it to get actual superheat on R-22, R-410A, R-134A, and R-404A fixed orifice systems and actual subcooling on TXV / TEV regulated systems.  Use the “T” fitting to charge to actual superheat or subcooling by putting the SSX34 in-line between your refrigerant bottle and the system.

Read More..

 

Specifications

TECHNICAL SPECIFICATIONS
Outputs: Switchable: T1, T2, T1-T2, standard male banana plugs
Calibration: Two externally adjustable pots
Conversion rate: 1mVDC per 1º
Range: -50 to 1800ºF (-46 to 982°C)
Resolution: 0.1º for meters with 0.1mVDC
Battery: Standard 9V
Battery life: 200 hours continuous
Auto-off: After 15 minutes
LED indication: green for "On", red for low battery
Max input voltage: 60 VDC, 24 VAC
Strong RF fields can adversely affect the converter performance.
Operating temp: -30 to 120ºF (-34 to 49°C)
Storage temp: -4 to 140ºF (-20 to 60°C)
Probe insulation: Teflon, to 500ºF (260°C)
System accuracy* at 75ºF ± 5ºF (24°C ±3°C) ambient, after ice bucket calibration:
±1ºF, -50 to 165ºF (±0.5°C, -46 to 73°C)
±2ºF, 165 to 350ºF (±1°C, 74 to 176°C)
±3ºF, 350 to 1700ºF (±2°C, 176 to 926°C)
Converter accuracy: ±0.5%+3.6ºF (2°C), -50 to 1800ºF (-46 to 982°C)
Thermocouple accuracy: ±4ºF (±2°C) or ±0.75%, whichever is greater, -30 to 1500ºF (-34 to
815°C)

* To calculate system accuracy from components, add up the accuracy specifications for the meter, the thermocouples, and the converter. For example, at 100ºF(38°C), add the accuracies for a DMM(±1ºF/ ±0.5°C), a thermocouple (±4ºF/ ±2°C), and the converter (±4ºF/±2°C). The system accuracy for these individually calibrated components is ±9ºF(±4.5°C). If the actual temperature was 100ºF(38°C), the meter could read as high as 109 (42.5) and as low as 91 (33.5). By contrast, after a simple "ice bucket" system calibration, the meter would read between 101.0 (38.5) and 99.0 (37.5).

Field calibration
To calibrate the system (ATH4 converter, thermocouple, meter), adjust the calibration pods on the face of the converter while measuring a known temperature. Ice water is very close to 32°F (0°C) and is readily available. This eliminates the accuracy stack-up which results from calibrating each component separately. Accuracies of one degree or better are easily obtained.

  1. Stabilize a large cup of ice water. Stir or shake while it is stabilizing. Pure distilled water will be the most accurate, but tap water is nearly as good. A stabilized mixture of ice and water is very close to 32ºF (0°C), even after considering altitude and contaminant variations.
  2. Select mVDC range.
  3. Immerse one probe in ice water and let it stabilize.
  4. Slide the switch to "T1" and adjust the "T1" calibration pot on the face of the converter to display 31.3 on the DMM for optimum accuracy at room temperature.
  5. Repeat steps 3 and 4 for "T2".