Environment Meter Lutron EM-9100 is a multi function 4 in 1 digital testing tool used to measure humidity, light intensity, air speed and temperature.
features :
- 4 in 1 humidity meter, light meter, anemometer, Type K/J Thermometer.
- Temperature measurement can default the display unit to C or F/
- Meter can default auto power off or manual power off.
- 0.1 degree resolution for temperature measurement.
- Microcomputer circuit provides intelligent function and high accuracy.
- LCD with two display, easy readout.
- Records maximum and minimum reading with recall.
- Data hold function for freezing the desired value.
- Build in the input socket for DC 9V power adapter.
- RS232 PC serial interface.
- Few panel buttons, easy operation.
- built in low battery & compact housing case.
- Available for the HVAC applications.

General Specifications :
- Circuit : Custom one chip of microprocessor LSI circuit.
- Measurement : type K/J thermometer, humidity/temp meter, anemometer with temp, light meter, sound level meter.
- Temperature Compensation : automatic cold junction compensation both type K/J thermometer.
- Linear Compensation : Linear compensation for the full range.
- Input Socket : Standard 2 pin thermocouple socket.
- Data Hold : RS 232 PC serial interface.
- Memory Recall : Maximum & minimum value.
- Sampling time of display : Approx. 1 second.
- Power off : Auto shut off to save battery life or manual off by push button.
- Data Output : RS 232 PC serial interface.
- Operating Temperature : 0 to 50C
- Operating Humidity : Less than 80% RH
- Power supply : 006P DC 9V battery, DC 9V adapter input.
- Power current : Type K/J thermometer : Approx. DC 6 mA.
- Weight : 256 g / 0.56 LB, main instrument.
- Dimension :
- Meter : 180 x 72 x 32 mm { 7.1 x 2.8 x 1.3 inch }
- Probe : 105 x 46 x 29 mm