Satel DG-1 Manual

Satel Gasdetektor DG-1

Læs gratis den danske manual til Satel DG-1 (4 sider) i kategorien Gasdetektor. Denne vejledning er vurderet som hjælpsom af 22 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 11.5 anmeldelser. Har du et spørgsmål om Satel DG-1, eller vil du spørge andre brugere om produktet?

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DG-1

DIGITAL GAS DETECTORS

dg1_en 06/18

The DG-1 detectors are designed to detect dangerous concentrations of:

DG-1 CO – carbon monoxide,

DG-1 LPG – propane-butane gas,

DG-1 ME – natural gas (methane),

DG-1 TCM – soporific gases (e.g. chloroform vapors).

The detectors are intended to be used as part of a security system. This manual applies to

the detectors with electronics version 2.0.

1. Features

 Digital algorithm of gas detection.

 Digital temperature compensation.

 Prealarm feature (DG-1 LPG and DG-1 ME only).

 LED for optical signaling.

 Sounder for acoustic signaling.

 Supervision of gas sensor (not applicable to DG-1 CO) and supply voltage.

 Tamper protection against cover removal.

2. Description

Electronics board

Fig. 1 shows the electronics board of DG-1 CO detector.

terminal block:

NC - alarm output (NC relay),

TMP - tamper output (NC),

COM - common ground,

12V - power input.

LED indicator. LED color depends on the

detector:

DG-1 CO: red,

DG-1 LPG: green,

DG-1 ME: yellow,

DG-1 TCM: blue.

gas sensor. Sensor type depends on the

detector (the sensors differ in shape):

DG-1 CO: TGS5141,

DG-1 LPG: TGS2610,

DG-1 ME: TGS2611,

DG-1 TCM: TGS832.

tamper switch.

2 DG-1 SATEL

fixing screw hole.

pins for enabling/disabling sound signaling (jumper installed – signaling enabled; jumper

removed – signaling disabled).

Detecting dangerous gas concentrations

The detector will alarm when it senses a dangerous gas concentration. For information about

the gas concentrations that trigger an alarm, please refer to Table 1. The alarm is signaled by

sound and by LED indicator (repeating sequence: sound/LED ON for 1 second followed by

1-second pause, etc.). When the alarm is being signaled, the alarm output is active (relay

contacts are open). The detector will stop alarming when the gas concentration drops below

the dangerous level. The gas sensor reaction to a decrease in the dangerous gas

concentration is delayed, hence the alarm signaling can stop even a few minutes after

the gas concentration has dropped below the alarm level.

DG-1 CO DG-1 LPG DG-1 ME DG-1 TCM

Gas

concentration to

trigger alarm

50 ppm for 75 minutes

100 ppm for 25 minutes

300 ppm for 1 minute

20% lower explosive limit 6000 ppm CHCl3

Gas

concentration to

trigger prealarm

- 10% lower explosive limit -

Table 1.

The DG-1 LPG and DG-1 ME detectors signal prealarm. For information about the gas

concentrations that trigger a prealarm, please refer to Table 1. Prealarm is signaled by sound

and by LED indicator (repeating sequence: sound/LED ON for 0.25 second followed by

1-second pause, etc.). Prealarm does not affect the state of alarm output. The detector keeps

signaling prealarm as long as the methane/propane-butane concentration remains above the

10% and below the 20% lower explosive limit.

Supervision of gas sensor and supply voltage

The detector will report trouble in the event of sensor defect (not applicable to DG-1 CO) or

when the supply voltage drops below 9 V (±5%) for longer than 2 seconds. Troubles are

signaled by sound and by LED indicator (repeating sequence: sound/LED ON for 0.25

second followed by a 0.25 second pause, etc.). When the alarm is being signaled, the alarm

output is active (relay contacts are open).

3. Installation and commissioning

Disconnect power before making any electrical connections.

The DG-1 digital gas detectors are designed for indoor installation.

Considering specific character of the gases to be detected, the DG-1 TCM and

DG-1 LPG detectors should be mounted in low position, just above the floor,

the DG-1 ME detector in high position, just under the ceiling, and DG-1 CO

detector at a height of about 1.5 meter.

1. Open the detector enclosure (Fig. 2).

Produkt Specifikationer

Mærke:	Satel
Kategori:	Gasdetektor
Model:	DG-1

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