JEVATEC JEVAmet® IOS-40C 真空计
JEVAmet® IOS-40C 真空计
Passive Bayard-Alpert Ionisation Sensor
pressure measurement between 10-2 mbar and 10-11 mbar
high measuring accuracy and reproducibility
two customer replaceable yttria-coated iridium filaments
gas-type dependent measuring principle
vacuum connection CF standard DN40CF
sensor in stainless steel tube with protection grid
usable without tube as immersion sensor
sensor with plugged connection cable bakeable up to 250 °C compatible with vacuum control units by JEVATEC and VACOM can be combined with already existing components
Technical Data
Vacuum meauring:
Measuring range: 10-2 – 10-11 mbar
Measuring principle: Bayard-Alpert hot cathode ionisation
Accuracy (N ): ± 10 % of measuring value (1·10-2 – 1·10-8 mbar) 2
Reproducibility: ± 5 % of measuring value
Sensitivity: approx. 15 mbar-1 (with tube)
X-ray limit: 3·10-11 mbar
Gas-type dependence: yes
Sensor:
Vacuum connection: CF standard DN40CF
Number of filaments: 2 (stretched), replaceable by customer
Filaments (cathodes): Iridium wire, yttria-coated
Overpressure resistance: 1.5 bar abs.
Materials:
Tube: stainless steel 1.4301
Plug-in contacts: FeNi, gold-plated
Materials in vacuum: stainless steel 1.4301, glass ceramic, Cu, W, Mo, Pt, Au, Y O on Ir 2 3
Power supply
Power consumption: ≤ 15 W (degas)
≤ 5 W (measuring mode)
Connection: special cable (see accessories)
Bakeout temperature:
with plug and cable: 250°C max.
Usage: indoors (2000 m above sea level max.)
Weight: 0.9 kg approx.
Controller and Accessories
Controller:
JEVATEC – JEVAmet® VCU-B0, JEVAmet® VCU-BM
VACOM – MVC3-B0, MVC3-BM
Measuring cables:
JEVAmet® ISL in lengths of 3, 5 or 10 m (other lengths on request)
VACOM BSL in various lengths
Replacement filaments:
JEVAmet® Filament Kit (replacement filaments and copper seal)
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