VACUUBRAND MPT 200 - Manual (Page 7)

page 7 of 22
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.: 999226 // 05/05/2014
Technical data
Technical data of vacuum gauge heads MPT 100 / MPT 200
Type MPT 100
Measuring principle
combined vacuum gauge head comprising two
components: thermal conductivity according to Pi-
rani and cold cathode tube; dependent on gas type
Measuring range (absolute)
1*10 3 mbar - 5*10 -9 mbar
(7.5*10 2 Torr - 3.7*10 -9 Torr)
Repeatability
(in percent of displayed value)
1*10 0 mbar - 1*10 -7 mbar:
(7.5*10 -1 Torr - 7.5*10 -8 Torr):
±5%
Measurement uncertainty
(in percent of displayed value
at constant temperature)
1*10 2 mbar - 1*10 -2 mbar:
(7.5*10 1 Torr - 7.5*10 -3 Torr):
1*10 -2 mbar - 1*10 -7 mbar:
(7.5*10 -3 Torr - 7.5*10 -8 Torr):
±15%
±25%
Maximum permissible pressure
at vacuum gauge head (absolute)
1.5 bar (1125 Torr)
Leak rate 1*10 -9 mbar l/s
Measuring cycle 40 ms
Maximum permissible temperature of gaseous
media at measurement connection
continuous operation: 40°C,
for short periods (less than 5 minutes) up to 80°C
Maximum permissible temperature during
bake-out
max. 180°C
(without electronics and magnetic unit)
Ambient temperature range (operation) +10°C to +40°C
Ambient temperature range (storage) -10°C to +60°C
Permissible relative atmospheric moisture
during operation (no condensation)
30% to 85%
Maximum permissible installation altitude above
mean sea level
2000 m
Range of supply voltage
(via VACUU•BUS cable)
24 VDC
Max. power consumption (supply) 2.5 W
Degree of protection according to IEC 529 IP 40
Weight 580 g
Dimensions L x W x H 144 mm x 85 mm x 53 mm
Vacuum connection small flange KF DN 25
Internal volume of measurement chamber 9.5 cm 3
Cable length approx. 2.0 m
Wetted materials of vacuum gauge heads MPT 100 / MPT 200
Wetted materials
tungsten, stainless steel, nickel, molybdenum,
glass, ceramics (MPT 100)