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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
Ask questions
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- Q: Can I save items for later?
A: Yes, you can save the items you wish to purchase later in the shopping cart. This way, when you are ready to proceed with the order, you can easily find them.
- Q: Do you support global shipping?
A: Yes, we support worldwide shipping. No matter where you are located, we will make every effort to deliver the products to your doorstep.
- Q: How to apply for an extended warranty on a product?
A: Applying for an extended warranty is simple. During the purchasing process, you can choose to extend the warranty period for eligible products. Just select the desired warranty period, and it will be added to your purchase.
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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