Sound output = 94 dB, 114 dB
Frequency = 1000Hz
Accuracy = ±0.5 dB
Microphone size = 1 in, 1/2 in, 1/4 in
Battery life = 20 h
Battery type = 9 V, IEC 6F22, NEDA 1604
Operating temperature max. = +50°C
Operating temperature min = -10°C
Model number = SLC1356
Weight = 200 (with Battery)g

User manual, carrying case, 9 V battery, 1/2-inch and 1/4-inch microphone adapters. Sound Level Calibrator RS Pro SLC1356. The RS Pro SLC1356 is a low-cost, easy-to-use instrument for calibrating sound level meters. The output sound pressure levels are 114 dB and 94 dB re 20 μPa under reference conditions (temperature up to +23 °C, atmospheric pressure up to 1013 mbar, relative humidity up to 65 %). The output frequency is 1000 Hz ±2 %. Features and benefits. Sound calibration for 94 dB and 114 dB at 1 kHz Accurate and easy to use Fits 1, 1/2 or 1/4 inch diameter microphones Dimensions: 103 x 63 x 295 mm Weight: approx. 200 g (including batteries).