OMEGA Handheld Environmental Meter HHEM-SD1 Series

• Multi-Function Probe Measures Air Speed, Temperature, Humidity, and Light Level
• Surface Temperature and Sound Level (Optional)
• Large Easy-to-Read Green Backlit LCD
• Max and Min Readings with Hold Function
• Automatically Logs Time Settable From 1 Sec to 1 Hr
• Supports Manual Data Logging and Changing of SD Card Storage Location
• Auto Power Off Function

Description

The HHEM-SD1 meter comes with a multi-function probe that is used to make air speed, humidity and light measurements. Surface temperature and sound level are made using optional accessories. Several features and capabilities enhance the meter’s versatility, among them are automatic temperature compensation for measurements made by the anemometer, a Type K or J thermocouple input, the ability to hold readings and display maximum or minimum readings, and an automatic power off function that extends battery life. Because it is microprocessor-based, the HHEM-SD1 can make full use of being portable. Reliability and large storage capacities are enhanced by an SD memory card. Measurements can be made automatically at any sampling rate between one second and one hour. After time-stamping and storing the measurements on an SD card plugged into the instrument, the user can remove the SD card and plug it into to a laptop or desktop computer either directly or via a USB card reader. The data is stored on the card as files with the .xls extension, which can be opened by Microsoft’s Excel application. The HHEM-SD1 has a backlit 2½" diagonal display and is powered by 6 “AA” Alkaline batteries (included) or an optional 9 Vdc AC adaptor.

SPECIFICATIONS
Display: 52 L x 38 mm H (2.05 x 1.5") LCD
Measurement Ranges:
    Air Speed: 0.4 to 25 m/sec, 1.4 to 90 km/hr, 0.9 to 55.9 mph, 0.8 to 48.6 knots, 80 to 4930 ft/min
    Humidity: 0 to 85% RH
    Temperature: 0 to 50°C (32 to 122°F); for RH, 10 to 95%
    Light Level: 0 to 20,000 lux, 0 to 1860 ft-cd
Accuracy:
    Air Speed: ±(2% + 0.2 m/sec), ±(2% + 0.8 km/hr), ±(2% + 0.4 mph), ±(2% + 0.4 knots), ±(2% + 40 ft/min) (%’s are of full scale)
    Temperature: 1.5°F (±0.8°C)
    Humidity: ±(3% of rdg + 1% FS) for RH values >70% ±3% of rdg for RH values <70%
    Light Level: ±(5% of rdg ±8 digits)
Data Logging Sampling Time: 1 second to 1 hr.
Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, temperature unit, air speed unit, light level unit
Thermocouple Type: K or J (optional)
Storable/Recallable Readings: Max/min
Operating Temperature: 0 to 50°C (32 to 122°F)
Operating Relative Humidity: 0 to 85%
Power: 6 “AA” Alkaline batteries (included) or an optional 9 Vdc AC adaptor
Meter Dimensions: 135 H x 60 W x 33 mm D (5.31 x 2.36 x 1.30")
Weight of Meter: 515 g (1.13 lb)
Package Dimensions: 286 H x 251 W x 76 mm D (11.25 x 9.88 x 3")
Package Weight: 35 oz (2.16 lb)