03 · Gas Detectors
Fixed pointGD-20
Fixed THC point detector
Continuous monitoring at one measuring point, with a local bargraph display and relay outputs that can drive alarms directly.
0–100 % LEL
Range
t90 < 10 s
Response
IP66
Protection
Product photography for this line is in preparation.
Overview
What this model does well
One detector per zone
IP66 housing takes outdoor and washdown areas without extra protection.
Two-stage alarm
Pre-alarm and main alarm with independent relay outputs and latching.
Readable from distance
LED bargraph shows the level at a glance from across the room.
ATEX II 2G
Certified for classified areas where hydrocarbons may be present.
Specifications
GD-20 — full specification
Compare with other models →Detection
- Principle
- Catalytic bead
- Target gases
- THC
- Measuring range
- 0–100 % LEL
- Resolution
- 1 % LEL
- Response t90
- < 10 s
- Accuracy
- ± 3 % LEL
System
- Channels
- 1
- Alarms
- 2-stage + relay
- Outputs
- 4–20 mA, 2 relays
- Display
- LED bargraph
- Data logging
- —
Physical & approvals
- Power
- 24 V DC
- Mounting
- Wall / pipe
- Dimensions (W × D × H)
- 18 × 12 × 9 cm
- Weight
- 1.6 kg
- Protection
- IP66
- Ambient temperature
- −20 to +55 °C
- Approvals
- CE, ATEX II 2G
- Sensor life
- 3 years
Specifications are preliminary and confirmed per configuration in your offer.
Documentation
Datasheet & documents
Primary document
GD Series datasheet
PDF · EN · DE
Full specification, dimensioned drawings, connection details and ordering codes.
Download datasheet- PDFRequest →
GD Series datasheet
EN · DE
- PDFRequest →
GD-20 / GD-40 installation guide
EN · DE
- PDFRequest →
GD-P quick start guide
EN · DE
Datasheets and manuals for the GD series are available in the downloads centre, in English and German. Go to the downloads centre →
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