Basic parameters and main technical performance index
frequency kHz water level mm
|Electric performance||Insulation resistance||Between the terminal and the mounting plate with DC500V megger test insulation resistance than 100MΩ|
|Environmental adaptation performance||Heat resistant||Sensors in the 60 soil 3 degrees Celsius in the environment, for 48 hours at room temperature, 1 hours after the action level frequency should meet the requirements|
|coldness resistence||Sensors in the－20±3℃ environment, placed after 48 hours at room temperature after 1 hours of action level frequency should meet the requirements|
|humidity-resistance||in 40 ±3 C 95% relative humidity conditions for 48 hours, performance shall be in accordance with the following provisions: terminal and transposon 1200V/1min applied, without the phenomenon of breakdown flashover; terminal and transposon DC500V megger measurement, insulation resistance should be greater than 10MΩ|
|life resistence function||550mm water level sensor applied 20 times per minute, 50000 movements, the change of water level less than 15mm|
|Environmental requirements||The products and packaging are in line with the EU RoHS directive 2011/65/EU|
|Using the normal work conditions||
ranges from -10℃ to 50℃.Altitude can not be higher than 2500 meters.
Comparative wetness should be less than ninety percents.(when the temperature is more than 25℃)
There is not gas,steam,chemical deposition, dust,explosive and corrosive medium to affect the insulation in the working place.
There is not serious vibration and bumping in the working place.