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Radio temperature and

humidity sensor

 

ASH 2200US

Operating instructions

ELV Electronics Ltd. 

 Hong Kong

Summary of Contents for ASH 2200US

Page 1: ...1 Radio temperature and humidity sensor ASH 2200US Operating instructions ELV Electronics Ltd Hong Kong ...

Page 2: ...ithout written permission of the publisher This handbook may contain mistakes and printing errors The infor mation in this handbook is regularly checked and corrections made in the next issue We accept no liability for technical mistakes or printing errors or their consequences All trademarks and patents are acknowledged Printed in Hong Kong Modifications due to technical improvements may be made ...

Page 3: ...e 4 2 Safety and maintenance information 5 3 Commissioning 6 3 1 Inserting the batteries 6 3 2 Sensor addressing 7 3 3 Installation and dismounting 8 4 Range and reception interference 10 5 Changing the batteries 11 6 Technical data 11 7 FCC Information 12 ...

Page 4: ...unctional features ASH 2200US Freely addressable battery operated radio universal temperature and humidity sensor for the temperature range 30 0 C to 70 C and the humidity range 5 to 95 relative humidity Please read these instructions fully and thoroughly before initial commissioning they contain informa tion for the correct use of this device Intended use The external sensing device ASH 2200US ca...

Page 5: ... directly splashed with or immersed in water direct sunlight and extremely dusty environments Clean the display device and the external sensor using a dry linen cloth which may be slightly dampened to remove obstinate soiling Do not use solvents for cleaning The device should be kept out of reach of children It is not a toy ...

Page 6: ...compartment ensuring that the polarity is correct see illustration and then close the battery compartment Place the protective cap back on to the stop CAUTION Observe regulations for the disposal of 1 2 batteries Used batteries and rechargeable accumulators must not be thrown away with household rubbish Please take exhausted batteries and recharge ables to your local dealer or to a collection poin...

Page 7: ...ilable 1 to 8 corresponding to the display You can carry out addressing yourself using the jumpers on the sensor circuit board To do that the protective cap must first be taken off of the sensor housing and the batteries removed You then remove the two screws on the back which are on the left and right of the wall holder remove the screw above the battery compartment and take off the front half of...

Page 8: ... 3 Installation and dismounting of the external sensor The external sensor can be very easily installed on a vertical surface using the supplied mounting base CAUTION Choose an installation location that is not exposed to direct precipitation direct sunlight or is extremely dusty Outdoor installation under a roof overhang for example would be a suitable location ...

Page 9: ...ing figure Make sure that the notch in the housing points up as in the drawing Notch points upward Screw hole Now the external sensor can be inserted vertically to the stop in the mounting base If the external sensor needs to be dismounted e g to change batteries it is pulled out to the front ...

Page 10: ...ced range can have the following causes High frequency interference of all kinds Buildings of all types or vegetation The distance of the transmitter or receiver from conductive surfaces or objects even to the human body or the ground has an effect on the radiation characteristics and therefore the range Wide band interference in built up areas can reach levels that reduce the signal noise ratio t...

Page 11: ...es are changed as described in Section 3 1 Following a battery change the sensor is ready for operation again after a test run in test mode see Technical data 6 Technical data Data transfer by radio 433 92 MHz Free field range 100 m Data transfer cycle 3 min External temperature measurement range 30 0 C to 70 0 C Temperature measurement resolution 0 1 C Temperature measurement accuracy 0 8 C Relat...

Page 12: ...erence to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connecttheequipmentintoanoutletonacircuitdifferentfrom that to which the receiver is connected Cons...

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