Description： SOUND LEVEL METER, auto range +
Type K Temp. optional Humidity, Light,
Anemometer
Model : SL-4112
* 30-130 dB, auto range, manual range.
* Frequency and time weighting, IEC 61672 class 2.
* A or C frequency weighting.
* Fast/Slow time weighting, peak hold.
* Data hold, Record (max., min.).
* AC output, RS232 computer interface.
* Data logger.
* Type K Thermometer : -100 to 1300 oC, oC/oF.
* Type J Thermometer : -100 to 1200 oC, oC/oF.
* Optional probe (EM-900P) for Humidity/Temp., Light and Anemometer measurement.
* DC 1.5V battery (UM-4, AAA) x 6 or DC 9V adapter in.
* Patened.