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Leybold PENNINGVAC PR25/PR26/PR27/PR28 series passive cold cathode Penning vacuum gauge tube
The product description of Leybold PENNINGVAC PR25/PR26/PR27/PR28 series passive cold cathode Penning vacuum gauge tube adopts the Penning cold cathode ionization principle, which has the advantages of strong earthquake resistance, atmospheric impact resistance, easy disassembly and cleaning, and replaceable cathode plate. It uses titanium cathode to optimize ignition characteristics, with a measurement range of 5 × 10 ⁻~1 × 10 ⁻ ² mbar, power supply of 3.3 kV high voltage, suitable for DN25KF/DN40KF/DN40CF interface, recommended to be used with baffle anti pollution, matched with PM31/CM31 and other controllers.
Leybold PENNINGVAC PR25/PR26/PR27/PR28 series passive cold cathode Penning vacuum gauge tube
Product type and principle
Product series: Leybold PENNINGVAC PR25, PR26, PR27, PR28
Technology type: Passive cold cathode ionization vacuum sensor, based on the working principle of Penning
Core advantages
Durable and sturdy structure
Strong resistance to impact, atmospheric shock, and vibration.
Convenient maintenance
The measurement system is easy to disassemble and clean; The cathode plate can be replaced.
performance optimization
Using titanium cathode significantly improves ignition characteristics.
Protection optional
Suggest installing a baffle to prevent pollution, radiation, and interference.
Key technical parameters
Measurement range 5 × 10 ⁻⁹~1 × 10 ⁻² mbar
Anode high voltage 3.3 kV
Working temperature -25 ℃~+80 ℃
Maximum baking temperature+200 ℃
Vacuum interface DN25 KF, DN40 KF, DN40 CF
Material: Stainless steel, ceramic, titanium
Applicable controllers PM31, CM31/32/33/51, PENNINGVAC PM31
Model replacement relationship
PR26 replaces old models: PR31, PR32, PR35
PR27 replaces old model: PR36
Accessories and ordering information
Cathode accessories (including ceramic plates): EK 162 91
Baffle (with centering ring FPM): DN40 specification 230078/230079
Key issue
What measurement principle does PR25-PR28 use and are they active or passive sensors? Answer: It adopts the Panning cold cathode ionization principle and belongs to passive vacuum sensors.
What are the measurement range, operating voltage, and maximum baking temperature regulated by this series? Answer: The measurement range is 5 × 10 ⁻⁹~1 × 10 ⁻² mbar; Anode power supply 3.3 kV; maximum baking temperature * *+200 ℃ * *.
What accessories are recommended for installation in the document? What is the purpose, and who will replace the old model? Answer: It is recommended to install a Baffle to prevent pollution, radiation, and reduce interference; The old regulations PR31/32/35 have been replaced by PR26, and PR36 has been replaced by PR27.
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