On-Line Moisture in Oil Dection Transmitter MMT162 - VAISALA - #2

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MMT162 MOISTURE IN OIL
Technical Data
Options and accessories
Measured Values
Stainless steel filter (standard) 221494SP
Stainless steel filter for high flow (>1 m/s) 221493SP
Connection cable for MM70 hand-held meter 219980
USB serial interface cable 219690
Sealing ring set (U-seal) ISO G1/2, 3 pcs 221525SP
Sealing ring set (copper) ISO G1/2, 3 pcs 221524SP
ISO 1/2'' plug 218773
NPT 1/2'' plug 222507
Sampling cell DMT242SC
Sampling cell w. Swagelok connectors DMT242SC2
100 ... 240 VAC external power supply (not IP65) POWER-1 Connection cable
2 m (6.5 ft), M8 snap-on 211598 0.32 m (1 ft) Shielded, M8 threaded HMP50Z032 3.0 m (9.8 ft), Shielded, M8 threaded HMP50Z300 5.0 m (16.4 ft), Shielded, M8 threaded HMP50Z500 10 m (32.8 ft), Shielded, M8 threaded HMP50Z1000
3 m, Shielded, connector 90° angle 221739 5 m, Shielded, connector 90° angle 221740 M8 threaded, Ch1 signal + Ch2 LED_MP300LEDCBL
Water activity
Measurement range 0 ... 1 aw
Accuracy (including non-linearity, hysteresis and repeatability) 0 ... 0.9 ± 0.02
0.9 ... 1.0 ± 0.03
Response time
in oil flow (typical) <1 min (dry-wet)
Moisture
Calculated moisture content in ppm for mineral transformer oil
Temperature
Accuracy at +20 °C (+68 °F)
± 0.2 °C (0.36 °F)
Operating Environment
-40 ... +60 °C (-40 ... +140 °F) -40 ... +80 °C (-40 ... +176 °f)
up to 200 bar up to 40 bar some flow recommended
Operating temperature Oil temperature Pressure range
metal version
plastic version Oil flow
Dimensions
Dimensions in mm (inches)
Outputs
Analog outputs (two channels)
current output
voltage output Alarm level indication by analog signal Digital outputs
0 ... 20 inA 4 ... 20 mA 0 ... 1 V, 0 ... 5 V, 0 ... 10 V
user selectable RS-485
General
Sensor HUMICAF
Cable connections (2 ports) M8, 4 pin
Minimum operating voltage with
RS-485 output
voltage output
current output Supply current
normal measurement External load for
voltage output
current output
14 ... 28 VDC 16 ... 28 VDC
22 ... 28 VDC
20 mA + load current
min. 10 kOhm max. 500 Ohm
Housing material
metal AISI 316L
plastic PPS + 40% GF
Mechanical connections with bonded seal ring (washer)
metal version G 1/2'' ISO or NPT 1/2''
plastic version G 1/2'' ISO
Housing classification IP65 (NEMA 4)
Storage temperature range -40 ... +80 °C (-40 ... +176 °F)
Weight
with plastic housing 65 g (2.3 oz)
with metal housing 200 g (7 oz)
Complies with EMC standard EN61326-1, Electrical equipment for measurement control and laboratory use - EMC requirements; Industrial environment
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HUMICAP® is a registered trademark of Vaisala. Specifications subject to change without prior notice. ©Vaisala Oyj

pageCatalog pdf di En 2012-06-22-01