The Phoenix HMI-41 Precision ThermoHygrometer is the fastest and most accurate humidity meter in the industry. It provides a convenient and reliable way to spot check relative humidity, temperature, dew point, and grains per pound.
This instrument is the advanced version of the Phoenix HM-34, which has been widely used in the restoration industry and has established a reputation for accuracy and dependability. Manufactured by the Vaisala Company in Helsinki, Finland, the Phoenix HMI-41 meter will provide years of trouble-free service. The Phoenix HMI-41 meter incorporates Vaisala’s next generation HUMICAP® Sensor, which is accurate, durable and resistant to dust and most chemical contaminants. Both the humidity and temperature sensors are housed in a plug-in probe. The MODE button allows the user to select from three LCD displays: (1) relative humidity on top and temperature below, (2) dew point on top and temperature below, and (3) temperature on top and grains per pound below. The HOLD button freezes the measurement until it has been noted or recorded. When left idle for five minutes, the HMI-41 will automatically switch off unless the MODE or HOLD function has been activated. This automatic POWER-OFF function is adjustable and prevents accidental discharge of the HMI-41's batteries. Each Unit Includes: HMI-41 Indicator HMP-41 Probe 4 Type AA batteries Phoenix HMI-41 Specifications: Relative Humidity Range: 0 to 100% RH Accuracy: +2% (0 to 90% RH) +3% (90 to 100% RH) Resolution: 0.1% RH Temperature Dependence: +0.02%RH/°F Sensor Type: HUMICAP® Response Time: 15 seconds Temperature Range: -4 to +140°F Accuracy: +0.5°F Resolution: 0.1°F Temperature Dependence: +0.02°F Sensor: Pt 100 IEC 751 1/3 Class B Typical Ranges of Calculated Variables Dew Point: -40°F to +140°F Absolute Humidity: 0 to 69.9 gr/ft3 Wet Bulb Temperature: 32°F to 140°F Mixing Ratio (Grains): 0 to 1120 gpp (grains/lb) Display: Two Line LCD Weight: 250g (.55 lb) Size: 6.3" x 2.2" x 1.1" Power Supply: 4 Type AA batteries
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