Humidity transmitter and sensor, gas and liquid turbine, Pelton Wheel, Oval Gear and ultrasonic flowmeter, dewpoint meter, moisture and hygrometer, air velocity, temperature and carbon dioxide

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Engineering Information
News & Updates

Humidity / Temperature: Industrial; HVAC; OEM & Sensors; Miscellaneous

Dewpoint: In-line Meters; Transmitters; Portable

Air Velocity: Industrial; HVAC; Switches; Handheld

Carbon Dioxide: Transmitters

Flowmeters: Low Flow; High Viscosity; Turbine; Ultrasonic

Handheld: Humidity; Temperature; Air Velocity; Multi Instrument

Chemical Resistance of E+E Humidity Sensors

Chemical	Gas Concentration	Harmless	Negative Effect
carbon monoxide CO	up to 400 ppm	x
ammonia-NH₃	up to 500 ppm	x
sulphur dioxide-SO₂	up to 100 ppm	x
formaldehyde-HCHO	up to 10 x MAC	x
Freon 113- C₂Cl₃F₃		x
chlorine-Cl₂	up to 10 x MAC	x
hydrogen chloride-HCL			x
hydrogen fluoride-HF			x
nitrogen dioxide-NO₂	up to 20 x MAC	x
ethanol-CH₃CH₂OH (liquid: for cleaning; gas: harmless)		x
methanol-CH₃OH (liquid: for cleaning; gas: harmless)		x
ozone- O₃	up to 10 x MAC	x
ultraviolet rays (at 300-400 nm & 2 J/cm² / time of exposure: approx. 5 minutes)	Sensitive area of the sensor surface is protected by a metallic layer	x
Isopropanol-(CH₃)₂CHOH (liquid: for cleaning; gas: harmless)		x
chlorine methane - CH₃CL			x
ethylene oxide-C₂H₄O	up to 15%	x
hydrogen peroxide H₂O₂	up to 10 x MAC	x

MAC = Maximum Acceptable Concentration

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Phone: +1-215-340-2650
Fax: +1-215-340-3670
Email: jlcusa@jlcinternational.com

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