VDM-2 TRANSDUCER SPECIFICATIONS

Specifications

Measuring range

1×10^-1 to 1333 mbar (1×10^-1 to 1000 Torr)

Measuring principle 

Ceramic diaphragm piezo resistive

Accuracy 100 to 1333 mbar

0.5 % of reading

Accuracy 1 to 99.99 mbar

0.05% of full scale (1333 mbar)

Hysteresis 1×10^-1 to 9.99 mbar (ISO19685:2017)

1 % of reading

Hysteresis 10 to 1333 mbar (ISO19685:2017)

0.1 % of reading

Analog output signal 

0 - 10 VDC

Output signal resolution

16 bit

Solid state relay contact rating (optional)

250 mA, 50 VDC / VAC peak

Environment conditions

Operating ambient temperature

-20 to +50 °C (-4 to +122 °F)

Media temperature

-20 to +50 °C (-4 to 122 °F)

Storage ambient temperature

-40 to +125 °C  (-40 to +257 °F)

Maximum media pressure

2 bar absolute

Burst pressure

4 bar absolute

Mounting position

Arbitrary

Protection rating, EN 60529/A2:2013

IP40

Humidity, IEC 68-2-38

98%, non-condensing

Power supply

Supply voltage 

12-30 VDC

Power consumption 

240 mW (Max)

Reverse polarity protection

Yes

Overvoltage protection

Yes

Internal fuse

100 mA (Thermal recoverable)

Materials

Vacuum process flange

SS 1.4401 / AISI 316

Enclosure

SS 1.4307 / AISI 304L / Aluminum 6061

Vacuum exposed materials (media wetted)

316 Stainless steel, Viton^®, Aluminum oxide (AI₂O₃ 96%)

Process leak tightness 

<1·10^-9 mbar·l/s

Approvals

CE

EMC directive 2014/30/EU

RoHS compliance

Directive EU 2015/863