GWSD100 / 98 temperature and humidity sensors Lu Heng Electric to our core values: commitment to allow customers to enjoy the widest range of the highest quality products and services, customers become the most trusted partner to expand Industry, China's electrical industry model. GWSD100 / 98 mine temperature and humidity sensor The instrument is suitable for coal mine each workplace measure the ambient temperature, the temperature inside a closed, as well as the main mine fan axle temperature and other equipment temperature. The instrument uses an infrared remote control adjustment, no adjustment holes, good sealing performance. With high reliability and excellent long-term stability. Conditions Working temperature: -5 ~ 40 ℃; Relative humidity: <98%; Atmospheric pressure: 80 ~ 106kPa; mechanical environment: No significant vibration and shock of the occasion; may contain gas and coal dust in places. Technical indicators proof type: Mine intrinsically safe, explosion-proof mark as "ExibI"; measuring range: temperature of 0 ~ 100 ℃, humidity of 20 ~ 98% RH. The basic error: Temperature ≤ ± 2.5, humidity ≤ ± 8% (FS). Display: four LED; Output signal: Frequency: 200 ~ 1000Hz. Intrinsically safe parameters: a) Ui: DC21.4V; Ii: 50mA. b) Ci: 0nF, Li: 0mH. Operating voltage: sensor should generally be able to normal within (9 ~ 24) V range. Current job: Sensor maximum operating current should ≤200mA. Transmission distance: distance sensor transmission sub-station to be ≤150m basic error: Temperature ≤ ± 2.5 (FS), humidity ≤ ± 8% RH. Response time: The response time of the sensor temperature section shall not exceed 10s. Dimensions: 200 mm × 110 mm × 35mm. Weight: 0.6 kg Our values: customer first, teamwork, professional dedication, innovation, positive action, forever young, brave and bare our team: integrity is the foundation to a passion for dynamic, hard work for the wisdom to professional core, innovation-driven economy Ninglu Heng Electric Equipment Co., landline: 0537-2080758 Fax: 0537-2585538 phone: 15965728997 QQ: 3179595347 Contact: Feng Yang