Smart Diffusion Oxygen & Toxic Gas Detector

Model : GTD-2000Tx
Gas : O2 & Toxic(CO, CL2, NH3 & etc)
Comm. : 4-20mA, RS-485, Relay
Approval : KCs, ATEX, Classification, SIL 2

Information

▷ Continuous detection of toxic gases and oxygen in explosion hazardous area with flame proof structure
▷ Self diagnosis function with built-in Microprocessor
▷ Excellent selectivity by adapting detection principle only for toxic gases & oxygen
▷ Superior performance for detecting toxic gases below TLV
▷ Multi functions and high quality with low cost of ownership
▷ Built-in back light LCD or OLED display
▷ Easy configuration of monitoring system by HART communication
▷ Auto calibration and program setting with a magnet bar
▷ 4-20mA DC output signal
▷ With the alarm unit
– Normal – Green LED
– Alarm – Red LED, Buzzer(95 dB)
– Trouble – Yellow LED
▷ Calibration and maintenance by one-man

Specification

SMART & LOCAL DISPLAY TYPE OXYGEN & TOXIC GAS DETECTOR
Model GTD-2000Tx
Measuring gas O2 / Toxic gases (CO, CL2, NH3 & etc)
Measuring type Diffusion type
Measuring method Electrochemical cell, Semiconductor cell
Measuring range Refer to Toxic Gas Measuring Range(166 page)
Response time 〈 45 sec / 90% scale
Accuracy ±3% / Full scale
Parameter control Non intrusive control with a Magnet bar (calibration, maintenance)
Operation mode display 1-LED (Power)
Measuring value display LCD display (Built in back light  2-Line, 8 characters) / OLED Type (Option)
Output signal Analog : Measuring signal : 4-20mA DC
            Maintenance signal : 3mA DC
            Calibration signal : 3mA DC
            Fault signal : 0mA DC
Digital : 2mA (HART 7, HART Device Description Language available, Option)
Cable/Distance Power + Signal cable : 3-wire 〉1.5sq (AWG16) / 2500m max
Material Housing : ALDC, SUS316(Option) / Sensor : SUS316
Conduit connection G. Rc. NPT 1/2″, 3/4″ & M20 (G 3/4″ : standard)
Mounting type 2″ Pole mount, Wall mount, Duct mount
Operating temperature -20℃ ~ +60℃ / -40℃ ~ +80℃ (Option)
Operating humidity 5 ~ 99%.RH (non-condensing)
Operating power 18~31V DC (24V DC normal) / 200mA max
Dimensions 136 x 176 x 110 (WxHxD)mm
Weight 1.7kg
Approval Explosion proof type (Ex d IIC T6) KCs / IP66/67
Explosion proof type (Ex d IIC Gb T4~T6) ATEX, IECEx
Explosion proof type (Ex d IIC T6 Gb) NEPSI
Marine : KR, MED, ABS, BV, DNV
HART, SIL 2