VOC气体探测器 GTD-2000
VOC气体探测器 GTD-2000产品性能：
▷ Continuous detection of VOC gas in explosion hazardous area with flame proof structure
▷ Self diagnosis function with built-in Microprocessor
▷ Low concentration VOC gas detection by PID sensor
▷ Stable quality and proved detection principle for service life
▷ Multi functions and high quality with low cost of ownership
▷ Built-in back light LCD or OLED display
▷ Easy Configuration of monitoring 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
▷ 3-wire connection for signal & power
▷ Calibration and maintenance by one-man
VOC气体探测器 GTD-2000技术参数：

SMART  & LOCAL DISPLAY TYPE  VOC GAS DETECTOR
Model	GTD-2000VOC
Measuring gas	VOC gases(Benzene, Toluene, Xylene  & etc)
Measuring type	Diffusion type
Measuring method	Photo-Ionization Detector(PID)
Measruing range	5ppb ~ 300ppm
Response time	< 5sec / 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
	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℃
Operating humidity	5 ~ 99%.RH (non-condensing)
Operating power	18~31V DC (24V DC normal) / 200mA max
Dimensions	136x166x110 (WxHxD)mm
Weight	1.5kg
Approval	Explosion proof type (Ex d IIC T5) KCs / IP66/67
	Explosion proof type (Ex d IIC Gb T4~T6) ATEX, IECEx
	Explosion proof type (Ex d IIC T5 Gb) NEPSI
	Marine : KR, MED, ABS, DNV
	CE, HART, SIL 2