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Product Name
SP-2104Plus series toxic and harmful gas detector
Electrical interface
3/4 " NPT M (3/4 " NPT F, 1/2 " NPT M, 1/2 " NPT F, G3/4 M, G3/4 F)
Mode of operation
Infrared remote control (ExiaIICT4Ga) remote adjustment, setting
Calibration method
Two-point calibration
Sound and light alarm
SP-07JS (optional)
Installation attachment
2 " riser installation accessories
Standard configuration
Detector host / operating instructions / installation accessories
Basic parameters
Detection principle
Electrochemistry
Sensor
Smart sensors that are interchangeable and support offline calibration
Sampling method
Diffusion type
Rated working power supply
24VDC
Working power range
12-28VDC
Power: 2W
Output signal
Fine-tuning standard 4-20mA, RS-485 Modbus
Three-level switch output
Load resistance<600ohm
Contact capacity
Overstatement, underreporting, and fault relays (default: normally open)
30VDC, 2A
Protection level
IP66/67
Environmental parameters
Ambient temperature
-20 to +55 Celsius degree (typical)
-40 to +70 Celsius degree (limit value)
Ambient humidity
10-93% RH (no condensation)
Environmental pressure
86kPa - 106kPa
Display
Display mode
Four-digit 7-segment code super bright LED display
4 LED status and function indicators
Shape
Dimensions
176mm x 145mm x 105mm (HWD)
Shell color:Blue
Housing material:Aluminum alloy
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Reviews
- J
John Morris
Nov 21, 2025
RAE Transmitter SP-2104PlusI had some technical issues with the website, but the phone support team was really knowledgeable.HelpfulUnhelpful - F
Frank Pope
Oct 07, 2025
RAE Transmitter SP-2104PlusWe got the item in a flash and it's working perfectly.HelpfulUnhelpful - H
Howard Thomson
Feb 07, 2025
RAE Transmitter SP-2104PlusExcelente sitio fácil de encontrar lo que necesito. Sin quejas. OKmarts siempre tiene las piezas que necesito. Una empresa realmente buena, sigan trabajando así de bien.HelpfulUnhelpful - T
Thomas Masi
Jan 17, 2024
RAE Transmitter SP-2104PlusGreat price, in stock and ready to buy.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
RAE Transmitter SP-2104PlusAll was ok! No problems whatsoever.HelpfulUnhelpful
RAE Transmitter SP-2104Plus
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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