YWSD60/100 Coal Mining Temperature and Humidity Meter Model: YWSD60/100 Description: YWSD60/100 Coal Mining Temperature and Humidity Meter MA: MFB160198 (National safety sign for coal mining products) KA: KFB160034 (National safety sign for mining products) Introduction: Applicable for accurate temperature and humidity measurement in mining, industrial park, chemical, firefighting fields. Technology parameters: 1. Temperature range (): 0~60, accuracy: ± 0.5 2. Humidity range (%RH): 0~100, accuracy: ± 3