Fieldpiece Instruments’ Compact Model AAV3 Anemometer Accessory Head—Easy to Use Tool for Accurate

Brea, CA — Fieldpiece Instruments, Inc. has added a compact anemometer accessory head to its line of modular test heads. The Model AAV3 Anemometer Accessory Head was designed in response to specific requests from HVAC field service technicians for an easy-to-use air velocity and temperature measuring instrument. It measures air velocity from 60 FPM (feet per minute) to 5900 FPM. The AAV3 uses an air velocity sensor to measure the speed of air at heating or cooling vents and registers, and allows the technician to determine the air velocity and adjust the HVAC system accordingly.

The AAV3 can also be used to estimate CFM (cubic feet/minute). Just multiply the average air velocity times the size of the opening expressed in square feet. For example, if the free area is 1/2 foot by 1/2 foot, and the average air velocity is 500 feet/min, then the CFM is 500 X 1/2 X 1/2=125 CFM.

In addition to measuring air velocity, the AAV3 also measures temperature. The temperature range it measures is between –4°F to 140°F.

The AAV3 easily snaps on any Fieldpiece “stick-style” DMM or can be used as a stand-alone instrument when attached to the Fieldpiece Electronic Handle (EHDL1). When used as a standalone instrument, it’s still attractively priced.

The Fieldpiece DL2 data logger records readings from the AAV3, and also can be used to easily get the average air velocity over any grill or register. Just move the AAV3 to several different locations, typically nine points (3 x 3) on the grill, and press RECORD. When done, punch a button to display the average reading. For CFM, multiply that number times the free area expressed in square feet.

With the addition of the Model AAV3 to its line of accessory test heads, Fieldpiece now offers a broader range of test heads for HVAC than any other DMM manufacturer. Fieldpiece Instruments’ easy-to-use line of test heads offer maximum coverage of common field tests, compact size and weight, and require a minimum amount of training.

The AAV3 Anemometer fits in any of the new Fieldpiece Soft-Sided Cases and is priced at $99. For a standalone meter, add $24.95 for the EHDL1 handle. Or, for data recording plus easy averaging plus live data display, add $199 for the DL2 data logger. The DL2 works with all Fieldpiece accessory heads.


HS36 New stick meter from Fieldpiece adds true-RMS and backlight

BREA, California, August 11, 2004 — Fieldpiece Instruments, manufacturer of professional-grade instruments for field service, introduces the new HS36 Stick Meter designed specifically for HVACR field technicians and offering measurement of true RMS value with superior accuracy.

The true RMS measurement feature makes this an important addition to the Fieldpiece Stick Meter line. Digital multimeters use two different types of AC sensing. The most common is average sensing, normalized to the true RMS value of a sine wave. The other is true RMS sensing. The actual true RMS value is sensed for a waveform within the limits of the crest factor. Either sensing method will give the same results on a clean sine wave but they differ on a non-sinusoidal waveform, commonly found in HVACR equipment.

Another new feature of the Fieldpiece HS36 is the backlight display which can be turned on or off with the push of a button.

The HS36 is designed to work with all Fieldpiece accessory heads and thermocouples for versatile measurement of HVACR environments. The new stick meter includes an auto-ranging feature, which automatically changes range for the best resolution. Other features included for the HVAC/R technician include testing microamps for flame rectifier diode tests and the ability to measure frequency.

Like the rest of the stick meter line, the HS36 includes a built-in magnetic hanger, built-in temperature measurement (k-type thermocouple), capacitance, non-contact voltage sensing, silicone rubber test leads with storage on the back, high voltage indicators, a current clamp head, carrying case, alligator clips, and both an LED and beeper to indicate continuity.

“The HS36 helps the HVAC/R technician be more productive and accurate in his measurements,” says Rey Harju, President of Fieldpiece Instruments. “The addition of true RMS value will give him an edge over his competitor,” Harju added.

All of Fieldpiece’s accessory heads, both old and new, work with the HS36. With the appropriate accessory head, the HS36 can measure the following parameters: AC amps (included), superheat, RH%, wet bulb temperature, air temperature, dew point, carbon monoxide, dual temperature, non contact (IR) temperature, air velocity, gas pressure, static pressure, vacuum, milliamps, microamps, and carbon dioxide.

Accessory heads can also be connected to the meter using the removable-tip test leads for “remote” testing. This is particularly useful for measuring blower motor current draw with the door to the blower closed.

A wrap-tab thermocouple (model ATB1) is included. The “wrap-tab” makes it easy to store the thermocouple wire. No more tangled wires.

For convenience, the HS36 includes a non-contact AC voltage sensor that senses voltage from AC line power down to 24VAC for thermostat power. The DMM sounds a beeper and lights up a big, bright LED. Two other LEDs work in conjunction with the beeper to warn the user of high voltage and to indicate continuity.

The HS36 includes the MIN/MAX function, which stores both the highest and lowest reading from the time the button is pushed. Test leads are made of fine stranded silicone insulated wire for flexibility. The probes can easily be stored in the back of the meter and the wires wrap around the meter for fast and convenient storage. The meters are shipped with the leads wrapped around the meter in this fashion so the user can see how to store them. A magnetic hanger is included for safe and easy testing.

The HS36 is available immediately, for $199 trade price, and can be purchased from a Fieldpiece distributor near you. The meter comes with a current clamp head, alligator clips, silicone test leads with removable tips, a magnetic hanger and a k-type thermocouple all packaged in a padded 4-pocket nylon case.


ST4 Dual Digital Thermometer for Superheat and Subcooling

BREA, Calif., March 16, 2004 — Fieldpiece Instruments, manufacturer of professional-grade instruments for field service, announces the introduction of model ST4 Dual Digital Thermometer for accurate temperature measurements using any k-type thermocouple. The ST4 comes with two bead-style k-type thermocouples for fast, precise measurements of two temperatures in different locations at the same time (T1, T2). The unit can display the real-time difference between the two thermocouple readings and displays it (T1-T2).

Fieldpiece designed the ST4 to be used while inside the carrying case. The supplied magnet conveniently allows the technician to hang it. The front is clear so he can press the buttons and read the display. The zippers allow the thermocouples to exit from the top of the case.

The ST4 includes “wrap tab” thermocouples. The “wrap tab” enables convenient storage of the thermocouple wires and helps ensure that the wire is not constantly bending in the same place in use, thus extending the life of the thermocouple in the hands of the field technician. Two hook & eye fastening strips are included to make it convenient to attach the thermocouples to a pipe. The thermocouples included go up to 400 OF. With optional thermocouples, the meter can measure to 2000 OF. LEDs will tell you if your thermocouple is not properly connected or if it has a broken wire.

A MIN/MAX function is included for recording the lowest and highest temperature. The user can choose select OF or OC, 1degree resolution or 0.1 degree resolution, T1, T2, or T1-T2.

The supplied rubber boot and case give the ST4 Dual Temperature Digital Thermometer plenty of protection and durability to last in the field.

The ST4 Thermometer from Fieldpiece has solved the temperature compensation problem that is common in many instruments of this type. The unit uses a custom ceramic component to ensure that the two points in the k-type thermocouple circuit that have to be at the same temperature are in sync. When the ambient temperature changes fast, those two points will remain at the same temperature, even as they are both changing.

The new ST4 Thermometer is field-calibratable. Once calibrated, the complete system is accurate ±1°F between 0°F and 180°F.

The low $79 cost includes the unit, two thermocouples with velcro straps, a magnet for hanging from a pipe, and a rubber holster.