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Alarms (user adjustable) - 1st 25 ppm 2nd 50 ppm TWA 25 ppm STEL 200 ppm Over 500 ppm
35KV ASTM dielectricHardware is lightweight
with a larger tabletop surface area –
sending a signal back to the reel where a light and clearly audible buzzer are activated
Trichloroethane 50/d, 50 - 600 PPM, (CH21101) Model 408M Alarms (user adjustable) - 1stTrichloroethane 50 d, 50 600 PPM, Part # CH21101, 5 Tests Application Range Standard Measuring Range: 50 to 600 ppm Number of Strokes n: 2 + 3 desorption strokes in clean air Time for Measurement: approx. 1. 5 min Standard Deviation: 10 to 15 % Color Change: grey brown red Ambient Operating Conditions Temperature: 15 to 40 C Absolute Humidity: 5 to 15 mg H2O L Reaction Principle a) 1,1,1 trichloroethane + IO3 H2S2O7 Cl2 b) Cl2+ o tolidine brown red