Product category:
Humidity and moisture sensing systems
News Release from: Lee-Dickens | Subject: HP140IS and HP150IS
Edited by the Processingtalk Editorial
Team on 12 April 2005
RH transmitter receIves ATEX Approval
for dusts
The Lee-Dickens ATEX approved intrinsically safe relative humidity transmitters have now received full Baseefa certification for use in potentially explosive dusty environments
Lee-Dickens ATEX approved intrinsically safe relative humidity transmitters have now received full Baseefa certification for use in potentially explosive dusty environments The HP140IS and HP150IS are duct and wall mounting relative humidity transmitters aimed at potentially hazardous or explosive applications in industries such as gas, petrochemical, or bulk solids
This article was originally published on Processingtalk on 9 Dec 2003 at 8.00am (UK)
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Intrinsically safe relative humidity transmitters
Instrumentation specialist Lee-Dickens has released its first ever range of ATEX approved intrinsically safe relative humidity transmitters, believed the only products of their type on the market
Both products are approved to Ex II 1GD EEx ia IIC T4 for use in Zone 20 conditions.
Certificate number Baseefa 03ATEX0101X/1.
The probes, which use a capacitive sensor, operate as two wire transmitters and produce a 4 to 20mA output proportional to 0 to 100% relative humidity, with accuracy better than 12.0% for 0 to 95% relative humidity.
The sensor is suitable for use in operating temperatures from -10 to +1000C and the electronics from -10 to +700C.
The HP140IS probe and flange are constructed of stainless steel and come fitted as standard with a sintered bronze guard.
The HP150IS has a plastic cage as standard and each probe comes with mating connector.
Power supply voltage and interface from the safe area to the transmitter are via approved barriers available from Lee-Dickens. Request a free brochure from Lee-Dickens ...
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