Measurement independent of oil type, age and temperature - indicates margin to oil saturation In-line process checking through ball valve, no need to drain the oil Rugged and reliable construction Multiprobeoperation; dewpoint and CO2 probes can also be connected Vaisala HUMICAP® Sensor - proven field performance since 1973

Water activity measurement
	Measurement range	0 ... 1
	Accuracy
	0 ... 0.9	±0.02
	0.9 ... 1.0	±0.03
	Sensor	Vaisala HUMICAP®
Temperature measurement
	Measurement range	-40 ... +100 °C (-40 ... +212 °F)
	Accuracy at +20 °C (+68 °F)	± 0.2 °C (±0.36 °F)
	Sensor	Pt100 1EC751 1/3 class B
Operating environment
	Probe
	Operating temperature for electronics	-40 ... +60 °C (-40 ... +140 °F)
	Operating pressure range
	during installation	max. 20 bar
	through ball valve	max. 10 bar
	Indicator
	Operating temperature	-10 ... +40 °C (+14 ... +104 °F)
	Operating humidity	non-condensing
Inputs and outputs
	Power supply	Rechargeable NiMH battery pack with AC power or 4 x AA alkaline batteries, type IEC LR6
	Analog output	0 ... 1 VDC
	Data interface	RS-232
	Menu languages	English, French, Spanish, German, Swedish, Finnish, Russian, Japanese, Chinese
Mechanics
	Probe
	Housing classification	IP65 (NEMA 4)
	Housing material	ABS/PC blend
	Probe material	Stainless steel (AISI3166L)
	Cable length between probe and indicator	1.9 m, 10 m extension available
	Weigth	506 g
	Indicator
	Housing classification	IP54
	Weight	400 g
	Probe inputs	1 or 2