Technical parameters.

â—‡Measuring range :activated sludge ,0 ~****0mg/L highest value *****9mg/L
â—‡resolution :0.*1%
◇Accuracy :±1.0%FS
◇Repeat :±1.0%
â—‡Control interface : two groups of ON/OFF relay contacts,divided into high and low alarm photoelectric isolation output
◇***0mA analog output : one way current output, photoelectric isolation protection ,improve anti-jamming ability 
◇**5 interface :photoelectric isolation output , support the internet of things 
â—‡Relay lag value can be set freely , relay load :3A **0VAC/*4VDC.
◇Working voltage :**0VAC*0%,*0/*0Hz 
◇Working condition :environment temperature0~*0℃,relative humidity ≤*0% 
◇Output load :load ◇Working voltage :**0VAC*0%,*0/*0Hz,
◇Dimension :*6×**5×**8 mm
◇Hole size:*2×*2mm
â—‡Weight :2.0Kg
â—‡Protection grade :IP*5 waterproof , dust-proof , damp-proof