WGM ST-100 Sensor For Moisture In Oil (0 … 1 aw)

Water activity

Measurement range: 0 … 1 Water activity (aw)

Accuracy: 0 to 0.6: ± 0.02, 0.6 to 1: ± 0.03

Reaction time (typical): < 1 min

Water in oil

Measurement range¹: 0 to 100 ppm (suitable for mineral transformer oil)

Accuracy: ±10% or 10ppm max.

Temperature

Measurement range: -40 to 120°C

Accuracy (at +25°C): ± 0.3°C

Operating temperature: -40 to +80°C

Storage temperature: -40 to +80°C

Permitted oil temperature: -40 to +120°C

Output

Digital signal: RS485 MODBUS, RS232 (optional)

Analogue signal: 4~20mA, resistive load = 500Ω

Other features

Housing material: 304 stainless steel

Weight: 220g (transmitter)

Protection class: IP66

Mechanical connections: G 1/2″ ISO or 1/2″ NPT

Pressure range: Max 100 bar

Resistance load: 250 to 500 Ω

Supply voltage: DC 9V-36V, >DC15V (use 4-20mA)

Cable specification: M8 6 pin

Cable length: 2 m

Applied Standard: CE Certified, EN61326-1, EN61326-2-3 Standard, ICES-003 B

1) other measuring range is optional

Datasheet