Styrene 50/a, 50 - 400 PPM, (CH27601) Depth Indicator Batteries (x2) - removable rechargeable

Batteries (x2) - removable rechargeable lithium ion

Measuring range:

Pressing the button two times quickly deactivates the buzzer (the light stays active)

The recorded barometric information can also be very useful to help determine barometric lag and/or barometric efficiency of the monitored aquifer

Depth Rating: IP68

Styrene 50/a, 50 - 400 PPM, (CH27601) Depth Indicator Batteries (x2) - removable rechargeableStyrene 50 a, 50 400 PPM, Part # CH27601, 10 Tests Application Range Standard Measuring Range: 50 to 400 ppm Number of Strokes n: 2 to 11 Time for Measurement: max. 2 min Standard Deviation: 30 % Color Change: white yellow Ambient Operating Conditions Temperature: 10 to 40 C Absolute Humidity: < 15 mg H2O L Reaction Principle C6H5 CH=CH2 + H2SO4 yellow reaction product Cross Sensitivity Other organic compounds which tend toward polymerization (e. g.