IEC 60839-5-4 Ed. 1.0 b:1991

Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths

International Electrotechnical Commission, 05/03/1991

Publisher: IEC

File Format: PDF

$15.00$31.00

Description

Published:03/05/1991

Pages:13

File Size:1 file , 560 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies the requirements for alarm transmission systems using dedicated alarm transmission paths which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers dedicated connections providing signalling continuity between an alarm system and the presentation of alarm system information at an alarm receiving centre.

More IEC standard pdf

IEC 60068-2-45 Ed. 1.0 b:1980

Basic environmental testing procedures - Part 2-45: Tests - Test XA and guidance: Immersion in cleaning solvents

$25.00 $51.00

IEC 60757 Ed. 1.0 b:1983

Code for designation of colours

$6.00 $13.00

IEC 60169-17 Ed. 1.0 b:1980

Radio-frequency connectors. Part 17: R.F. coaxial connectors with inner diameter of outer conductor 6.5 mm (0.256 in) with screw coupling - Characteristic impedance 50 ohms (Type TNC)

$72.00 $145.00

IEC 60759 Ed. 1.0 b:1983

Standard test procedures for semiconductor X-ray energy spectrometers

$164.00 $329.00