From cost-effective compact sensors to fiber-optic pyrometers
Spexigma infrared temperature measurement products for industrial processes are designed and manufactured in Beijing, China. The range covers everything from cost-effective compact sensors to fiber-optic pyrometers for high-temperature and high-EMI environments. About Spexigma
Six series for industrial non-contact temperature measurement
Each series page lists key specifications, FAQ and accessories, with a direct quote request.
HC Compact Series
Easy-to-use, cost-effective compact infrared sensor.
- Range−20 – 1800 °C
- Output5-wire / RS485
- D:S15:1 – 120:1
HX Two-Wire Series
Non-contact measurement with standard two-wire technology.
- Range0 – 1700 °C
- Output4–20 mA two-wire
- D:S55:1 – 150:1
HL Laser Series
Laser aiming and LCD status display for fast, precise targeting.
- Range−40 – 2600 °C
- Output4–20 mA
- AimingLaser / dual laser
HS-SR Two-Color Series
HS / HSL Aiming from 240 °C; two-color high-temp SKUs resist smoke, dust, vapour and window attenuation.
- Range240 – 3000 °C
- Output4–20 mA + RS485
- AimingVisual + laser
HG Fiber Series
Fiber-optic energy transmission and a stainless steel probe for high-temperature and electromagnetic-interference environments.
- Range300 – 2000 °C
- Output4–20 mA + relay
- D:S120:1
HCIR Series
Two-wire 4–20 mA output for long-distance installation and strong-interference environments.
- Range0 – 500 °C
- Output4–20 mA two-wire
- Cable runup to ~650 m
Not sure which series fits?
Tell us your target material, temperature range, distance and required output — our engineers will recommend a model within one business day.
| Information that helps us recommend a model | |
|---|---|
| Target | Material and surface |
| Temperature | Minimum / maximum °C |
| Geometry | Distance and target size |
| Output | 4–20 mA, 0–5 V, RS485 … |
| Environment | Ambient temperature, EMI, dust |
Building machines that need temperature feedback?
We offer OEM products and related accessories, with customizable temperature ranges, factory-set signal processing, outputs, optics and cable length.
What you can expect from us
Clear specifications
Key specifications, FAQ and scope of supply on every series page.
Engineer-to-engineer support
Technical questions answered by engineers — reply within one business day.
OEM & custom
Ranges, outputs, optics and cable lengths can be adapted for machine builders.
Design & manufacturing
Designed and manufactured in Beijing, China, by Beijing Hairuida Electronic Technology Co., Ltd.
Have an application in mind?
Send us your measurement task and we will recommend a range, optics and output.