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TES-1356 Sound Level Calibrator 

• 94dB and 114dB Sound Calibration at 1KHz

• Accurate and Simple to use 

• Fits 1", 1/2" or 1/4" diameter microphone

Range:
Output Sound Pressure Levels 114dB and 94dB re 20 uPa under refrence conditions. 
Output Frequency 1000Hz +/- 4% 
Reference Conditions TEMPERATURE -->23oC(73oF)
ATMOSPHERIC PRESSURE -->1013 mbar 
(760mm of Hg)
RELATIVE HUMIDITY -->65% 
Accuracy of Sound Pressure Level Under stated reference environment conditions +/- 0.5dB 
Power One 9V battery 006P or IEC 6F22 or NEDA 1604. 
Battery Test Internal circuitry checks condition of battery continuously.
Calibrator will operate at all if battery voltage falls below
acceptable range. 
Battery life About 50 hours 
Dimensions 103(L) x 63(W) x 54(H)mm 
Weight approx. 200g (include batteries) 
Operating temperature 0 - 50oC(32 - 122oF) 
Operating humidity 0 - 90%RH 
Accessories 9V battery, Carrying case, Instruction manual. 1", 1/2" and 1/4" Microphone Adaptor