* Continuous detection of combustible, oxygen & toxic gas in hazardous area with flame proof structure
* Continuously suction of gas from area, in which gas detector can not be installed, with high efficient micro pump
* Detection of combustible, oxygen & toxic gas from low to high concentration owing to various detection principle
* Stable quality and proved detection principle for service life
* Excellent selectivity by adapting detection principle only for oxygen & toxic gas
* Superior performance for detecting gas below TLV
* Gas concentration display by built-in LCD (3-1/2 digit)
* 4-20mA DC output signal
* 3-wire connection
* Calibration and maintenance by one person

EXPLOSION PROOF & AUTO SAMPLING TYPE COMB. OXYGEN & TOXIC GAS DETECTOR
Model	TS-4000Ex	TS-4000Tx
Measuring gas	Combustible gas (LNG, LPG, H2, Methane, Butane & etc)	Toxic gas (O2, CO, CL2, NH3 & etc)
Measuring type	Auto sampling type
Measuring method	Hot wire semiconductor cell, Catalytic cell, Thermal conductivity cell	semiconductor cell, Electrochemical cell
Measuring range	0~2000ppm, 0~100% LEL, 0~100% Vol	Refer to ordering information
Response time	< 15sec / 90% scale	< 45sec / 90% scale
Accuracy	±3% / Full scale
Operation mode display	1-LED (Power)
Measuring value display	LCD display (3-1/2 digit)
Output signal	4-20 mA DC
Sampling method	Diaphragm Pump
Sampling line	OD 1/4" (standard)
Flow rate	0~2200ml/min max.
Cable / Distance	3 wire (Above CVVSB 1.5sq ) / 2,500m max.
Conduit connection	1/2" & 3/4" PF, NPT (3/4" PF standard)
Mounting type	2" Pole mount, Wall mount
Operating temperature	-20∩ ~ +50∩
Operating humidity	5 ~ 99%.RH (non-condensing)
Operating power	18 ~ 31V DC (24V DC normal) / 250mA max.
Dimensions	212 x 255 x 125 (W X H X D)
Weight	7.5 kg
Approval	Flame proof type (Ex d IIB+H2 T6)