SP-41 series online gas transmitterDetailed product description：

SP-4101/4102/4104 American RAE online gas detection transmitter

SP-4101/4102/4104 is a catalytic combustion combustible gas, fixed electrochemical principle oxygen/toxic gas detection transmitter, explosion-proof structure, intelligent sensor, two-wire standard 4-20mA output. Can be used to detect combustible gases such as LEL, O2, CO, H2S, oxygen, and various toxic gases.

Key Features:
• Advanced three electrode sensor selection • Stable performance, sensitivity and reliability • Long service life
• Stainless steel shell selection • Over range protection • Reverse polarity protection • Strong anti-interference ability
• Standard 4-20mA signal output • Operating voltage 10-30V • Handheld display operator

Standard configuration: • Tester host • Operating manual • Standard air cover • Installation accessories • Rain cover
Optional accessories: • Sound and light alarm controller • Sensor • Standard gas hood • Installation accessories
Application areas: • Petrochemical • Metallurgy, Mining • Fire Protection • Gas • Environmental Protection • Electricity, Communication
• Paper making, printing and dyeing • Grain reserves • Urban water supply • Sewage treatment • Food and brewing • Research, education, national defense

SP-41 series online gas transmitter technical parameter table:

	SP-4101/4102/4104
Detection Principle	Catalytic combustion/electrochemistry	power	<2.4w
sampling method	Diffusion type	load resistor	260 ohms
detection accuracy	O2±1.5%/±3%	output signal	4～20mA
repetitiveness	2%	display mode	LCD
electrical interface	3/4”NPT F	Shell color	gray
Protection Rating	IP65	Shell material	Aluminum alloy
Ambient temperature	-20℃～+50℃	Explosion-proof rating	Ex iaⅡCT6
Ambient Humidity	10-93% RH	CMC Certificate	00000301
environmental stress	86～106kPa	Overall dimensions	231×236×60mm（HWD）
working power supply	DC10～30V,30mA	weight	1.8kg

SP-41 series online gas transmitter sensor parameters:

gas type	Testing Scope	resolution	Response time T90 seconds
O2 oxygen	0～25%vol	0.1%vol	≤15s(T90)
LEL combustible gas	0～100％LEL	1％LEL	15s
CO Carbon Monoxide	0-500ppm	1ppm	30(S)
CO Carbon Monoxide	0-1000ppm	1ppm	30(S)
CO Carbon Monoxide	0-2000ppm	1ppm	30(S)
H2S hydrogen sulfide	0-50ppm	0.1ppm	20(S)
H2S hydrogen sulfide	0-100ppm	0.1ppm	20(S)
H2S hydrogen sulfide	0-200ppm	0.1ppm	20(S)
H2 hydrogen gas	0-1000ppm	1ppm	50(S)
CH2CHN acrylonitrile	0-100ppm	0.1ppm	60(S)
NH3 ammonia gas	0-50ppm	1ppm	30(S)
NH3 ammonia gas	0-200ppm	1ppm	30(S)
C2H3Cl vinyl chloride	0-100ppm	0.1ppm	30(S)
HCN hydrogen green acid	0-30ppm	0.5ppm	50(S)
HCL hydrogen chloride	0-30ppm	0.1ppm	70(S)
HF hydrogen fluoride	0-10ppm	0.1ppm	90(S)
CL2 chlorine gas	0-30ppm	0.1ppm	30(S)
CL2 chlorine gas	0-100ppm	0.1ppm	30(S)