by Brianna Crandall — January 16, 2015—General Tools & Instruments , provider of precision specialty hand tools and instruments, recently launched a new 6-in-1 In-Duct Digital Psychrometer with Enthalpy (EP8711P), designed for HVACR technicians, which can also can benefit professionals charged with monitoring and maintaining the environments of office buildings, greenhouses, food and equipment storage facilities, wineries, freezers, shipping containers, computer rooms, labs, libraries, museums, and saunas.
The 6-in-1 In-Duct Digital Psychrometer with Enthalpy offers the ability to measure or calculate six parameters using a single instrument. It is intended for in-duct measurements upstream and downstream of the evaporator unit to determine an HVACR (heating/ventilation/air-conditioning/refrigeration) system’s efficiency. By calculating enthalpy, the device also allows a technician to assess a system’s efficiency before and after charging with a refrigerant.
The EP8711P can measure/calculate the following parameters during HVACR system installation and maintenance:
- Ambient temperature
- Relative humidity (RH)
- Dew point (DP)
- Wet bulb temperature (WBT)
- Absolute humidity (mixing ratio)
- Enthalpy
The instrument’s integral probe is designed for use inside ductwork in order to better measure conditions and diagnose system performance issues. The six-inch sensor-tipped probe has linear insertion markings and an adjustable rubber bushing. The unit also features a 4-digit, 1.5 in. (38mm) LCD display.
A protective probe cap and a belt clip make the EP8711P ultra-portable and convenient on the job, says General. The swiveling ability of the probe and display reportedly makes the instrument very versatile, increasing positioning options to facilitate optimal viewing of readings. All parameters (except RH) can be displayed in Imperial or metric units.
The 6-in-1 In-Duct Digital Psychrometer with Enthalpy is available from certified dealers and Internet retailers.
