Vaisala HUMICAP^® Moisture and Temperature Transmitter Series for Oil MMT310

Continuous measurement of moisture in oil with excellent long-term stability
Proven Vaisala HUMICAP^®sensor, 10 years in oil applications
Measurements in lubrication, hydraulic and transformer oils
Excellent pressure and temperature tolerance
Measuring water activity - ppm calculation for transformer oil
Small size, easy to integrate
NIST traceable calibration
Applications: e.g. monitoring of transformer oil and of lubrication systems in marine and paper industry

Water activity measurement
	Measurement range Accuracy 0 ... 0.9 0.9 ... 1.0 Sensor	0 ... 1 ±0.02 ±0.03 Vaisala HUMICAP^®
Temperature measurement
	Measurement range Accuracy at +20 °C Sensor	-40 ... +180 °C ± 0.1 °C (± 0.18 °F) Pt 100 IEC 751 1/3 class B
Operating environment
	Temperature (electronics) Storage temperature Pressure range for MMT318 with ball valve up to 120 °C Pressure range for MMT317	-40 ... +60 °C (-40 ... +140 °F) -55 ... +80 °C (-67 ... +176 °F) 0 ... 40 bar 0 ... 10 bar
Inputs and outputs
	Operating voltage U_in Power consumption @ 20 °C, U_in= 24 VDC with RS-232C Two analog outputs, selectable and scalable Serial output	24 VDC (10 ... 35 VDC) 20 mA 0 ... 20 mA or 4 ... 20 mA RS-232C
Mechanics
	Probe cable length Material transmitter housing transmitter base Housing classification	2, 5 and 10 m G-A1Si10Mg ABS/PC IP65 (NEMA 4)

For complete specifications, please see the brochure or user guide in "Product Documentation".

Typical delivery times

Note that the products are configured to your needs.

* Urgent delivery fee will be added.

Calibration services
		Calibrated quantities Traceability	relative humidity, temperature NIST
		Calibration services are available at Vaisala service centers for a fixed price. -Factory calibrations (ISO9001) Calibration price includes: -calibration and certificate before adjustment -adjustment to meet specifications -calibration and certificate after adjustment -replacement of wearing parts
Spare parts
	Common spare and wearing parts are available. For availability contact sales.
Repair
	Repair services are available at Vaisala service centers for a fixed price. Repair price includes: -repair work -required parts -calibration certificate -service report
Technical support
	Technical support for your installed units, contact helpdesk@vaisala.com.

This page was printed from www.vaisala.com on May 13, 2008
URL: http://www.vaisala.com/instruments/products/moistureinoil/mmt310