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We are UK based, if you prefer to
phone on 020 7258 1831.
Monday to Saturday, 9.30AM until 5.30PM
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Security Note: This shopping cart system uses only the latest and most secure SSL Encrypted Security technology available. Your "Checkout" will be 100% secure, assuring that all personal information will be protected.
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| GV-Net Card |
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RS-232 / RS-485 data converter
Connects up to 9 RS-485 devices in serial
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GV-Net Card £25.00
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GV-I/O |
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Digital input / output controller
8 digital input channels
Input singnal: 0~5 V DC
16 open collect digital output
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GV-I/O £60.00
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GV-Relay |
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8 channels relay output module
Relay on time: 8 ms
Relay off time: 5 ms
Relay capacitance: P6A/250V AC ;
10A/125V AC ; 5A/28V DC
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GV-Relay £50.00
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Notes on System Installation and Operation
You must be experienced in alarm and sensor wiring without using our devices first, then are capable to learn how to add our device to complete the loop. Installation should be attempted only by individuals familiar with proper installation techniques and with codes, standards, and proper safety procedures for control installations.
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Henrys Electronics Ltd
404 Edgware Road, Paddington, London, W2 1ED, UK, VAT Number : GB 241 7629 61
Tel:+44 (0)20 7258 1831, Fax:+44 (0)20 7724 0322, email:
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