Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.:
999001 / 04/04/2012
Technical data
Type
DVR 2
Measuring principle
capacitive, absolute pressure,
gas type independent
Pressure transducer
ceramic diaphragm (alumina),
Pressure reading
analogue and digital LCD display
Pressure units
mbar, Torr or hPa (selectable)
Measuring cycle
automatic, once in 3s, once in 1s, three times in
1s (factory-set: automatic)
Automatic sleep mode
operation time: 1-1000 minutes or continuous
operation (”On”), (factory-set: 15 minutes)
Measuring range (absolute)
1080 mbar - 1 mbar (810 Torr - 1 Torr)
Maximum permissible pressure at pressure
transducer
1.5 bar absolute
Measurement uncertainty (absolute) after careful
adjustment and at constant temperature
<
±
1 mbar (0.75 Torr) /
±
1 digit
Temperature coefficient
<
±
0.07 mbar/K (0.05 Torr/K)
Maximum permissible temperature of gaseous
media at pressure transducer
continuous operation: 40°C,
for short periods (< 5 minutes): up to 80°C
Ambient temperature range (operation)
10°C to +40°C
Ambient temperature range (storage)
-10°C to +60°C
Permitted relative atmospheric moisture during
operation (no condensation)
30% to 85%
Degree of protection according to IEC 529
IP 40
Vacuum connection
small flange KF DN 16 and screw-in hose nozzle
DN 6/10 mm
Power supply
battery 9V Lithium, 1.2 Ah, Ultralife U 9VL
Internal volume of measurement chamber
4.23 cm
3
(without hose nozzle)
Weight approx.
375 g
Dimensions L x W x H
115 mm x 115 mm x 66 mm
Wetted parts
Components
Wetted materials
Sensor
Aluminium oxide ceramic
Sensor housing
stainless steel
Seals
chemically resistant fluoroelastomer
Vacuum connection / hose nozzle
PBT / PPS glass fibre reinforced
We reserve the right for technical modification without prior notice!
