www.gastron.com
06
_
07
3. Specification
GTD-1000Ex toxic gas detector has been developed to detect gas leaked from industrial sites and various toxic gases
generated from factories, gas storages, and manufacturing processes that produce or use toxic gases and to prevent
accidents in advance.
GTD-1000Ex toxic gas detector is installed in areas with gas leak hazards and continuously monitors gas leak. It displays
measurements on LCD of the detector, converts and transmits data in DC 4~20 mA standard output signal. Also, for DC
4~20 mA standard output, output signal transmission length between detector and receiver can be connected up to 2,000
m. (When Cable CVVS or CVVSB 1.5sq and above is used.)
3.1. Basic Specifications
3.2. Mechanical Specifications
ITEMS
SPECIFICATION
Measuring Type
Diffusion
Measuring Method
- Catalytic Cell)
- Thermal Conductivity Cell
- Heated-semiconductor Cell
Detectible Gas
Combustible Gas
Measuring Range
0~100% LEL
Accuracy
≤ ±3% / Full Range
Zero Drift
≤ 2% / Full Range
Response Time
90% of full Scale in less than 15 sec
Approvals Classification
KCs: Ex d llC T6
Basic Interface
Analog 4-20mA current interface
Option
Rain Cover
Warranty
Transmitter
2Year
Sensor
1Year
ITEMS
SPECIFICATION
Explosion Proof type
Explosion-proof enclosure
Dimension
136(W) × 166(H) × 95 (D) mm
Weight including Sensor
App. 1.5kg
Mounting type
Wall mount
Mounting Holes
Ø 7 ±0.1
Cable inlet
3/4" PF ( 1/2” or 3/4” NPT )
Body material
Transmitter
aluminum alloy
Sensor
Stainless Steel (STS316)
2. Configuration
1. Overview
GTD-1000Ex
Instruction Manual
Body of GTD-1000Ex is made of Aluminum alloy and the gas sensor module is made of stainless steel. It consists of
a complete explosion-proof enclosure (Ex d IIC T6). This product can be installed in areas with potential combustible
gas leak and explosion hazards and internal structure consists of 1 PCB board with display part for measurements and
terminal part that outputs measurements (DC 4 - 20 mA) externally. External configuration consists of detector part that
monitors gas leak and cable inlets.
[Figure 1. GTD-1000Ex Overview]
Gas
Sensor Module
(GSA860EX)
Main Board
(Transmitter)
+24V DC
4-20mA Analog
Signal Output
Transmitter enclosure
Safety Power Supply Unit
(24VDC)
Safety Controller
(PLC or DCS)
GTD-1000Ex Gas Detector
Hazardous Area (Filed)
Safe Area
제어
Signal
External Interface
Power Line
Legend