VAISALA MMP78 Moisture in oil probe (40~+100 °C (-40~+212 °F), 0~1 aw)

Water Activity 

Measurement range aw: 0 ... 1

Accuracy (including nonlinearity, hysteresis and repeatability) when calibrated against salt solutions (ASTM E104-85):

0 ... 0.9: ±0.02

0.9 ... 1.0: ±0.03

Maximum achievable accuracy (including nonlinearity, hysteresis and repeatability) when calibrated against high-quality, certified humidity tandards:

0 ... 0.9: 0.01

0.9 ... 1.0: 0.02

Response time (90%) at +20 °C +68 °F) in still oil (with stainless steel ilter): 10 min 

Sensor Vaisala HUMICAP: 180L2

Recommended recalibration interval: 1 year 

Typical long-term stability: better than 0.01 aw/year

Temperature 

Measurement range:-40... +100 °C (-40 ... +212 °F)

Typical accuracy at +20 °C:±0.2 °C (±0.36 °F)

Sensor:Pt100 RTD Class F0.1 IEC 60751

Probe Operating Environment

Operating temperature for electronics: -40.. +60 °C (-40 ... +140 °F)

Operating pressure range:max. 20 bar

Operating pressure range during nstallation through ball valve:max. 10 bar

Oil flow range:max. 1 m/s

Typical temperature dependence of electronics:±0.005 °C/°C (±0.005 °F/°F)