NS18
Online Infrared Sensors
■ Temperature range : -20℃ ~ 500℃
■ Optical resolution up to 15:1
■ 150 ms response time
■ 4~20mA , 0~5V , Type K or J output
■ RS485 , TTL digital interface
■ Power Supply 24VDC
■ Rugged IP 66 stainless steel housing
■ Standard 2m cable
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General Specifications
Environmental Rating IP 66
Ambient Temperature 0ºC to 70ºC
Storage Temperature -20ºC to 80ºC
Relative Humidity 10 to 95%, non-condensing
Cable Temperature -20ºC to 80ºC
Weight 170g ±5%
Electrical Specifications
Analog Output 0~5V / 4-20mA / Type K or J
Digital Output RS485, TTL (4~20mA 2-wire)
Power Supply 24 VDC ± 20%
Cable Length 2 m (standard), 5m or 10m
Measurement Specifications
Temperature Range -20ºC ~ 500ºC
Spectral Response 8 ~ 14 μm
Optics Resolution
(90% energy) 15 : 1
Accuracy*¹
(V/A) ±1.5% of reading or ±1.5(℃)
whichever is greater ¹⁾²⁾³⁾
( TC ) ±1.5% of reading or ±3(℃)
whichever is greater ¹⁾²⁾⁴⁾
Repeatability*¹
(V/A) ±0.5％ of reading or ±1（℃）
whichever is greater ²⁾
(TC ) ±0.5％ of reading or ±2（℃）
whichever is greater ²⁾
Temperature Resolution 0.1ºC
Response Time (95% signal) 150 ms
Emissivity (adjustable) 0.100 ~ 1.100 (PC software adjustable)
Transmissivity 0.100 ~ 1.000 (PC software adjustable)
¹⁾ At 23ºC ± 5ºC, emissivity = 0.95
²⁾ object temperature > 0ºC
³⁾ ±3ºC (object temperature ≤ 0ºC)
⁴⁾ ±3.5ºC (object temperature ≤ 0ºC)