LEYBOLD
Leybold PENNINGVAC PTR 90 RN Vacuum Gauge
- Measurement principle
- Cold cathode / Pirani combination
- Pressure range
- 1 × 10⁻⁹–1000 mbar
- Vacuum connection
- DN25 KF, DN40 KF or DN40 CF
LEYBOLD brand guide / Product family
Leybold PENNINGVAC high-vacuum gauges
PTR 90 RN combines Pirani and cold-cathode measurement; PTR 225 RN is a dedicated cold-cathode gauge.
Combined measurement or a dedicated high-vacuum gauge
PTR 90 RN combines Pirani and cold-cathode measurement, while PTR 225 RN is a dedicated cold-cathode instrument. The latter needs another measurement route where rough pressure must be monitored. Compare gas-dependent accuracy, flange and analogue or digital interface. A controller must match the actual gauge output and cable.
What to check when selecting this range
Use the gas-specific accuracy and select the analogue or digital interface for the installation.
Compare the listed models
Compare values with their stated gas, frequency and configuration conditions. A blank specification means it needs confirmation. Listed equipment is subject to a quotation; inclusion here does not indicate stock.
| Model | Measurement principle | Pressure range | Vacuum connection |
|---|---|---|---|
| Leybold PENNINGVAC PTR 90 RN Vacuum Gauge | Cold cathode / Pirani combination | 1 × 10⁻⁹–1000 mbar | DN25 KF, DN40 KF or DN40 CF |
| Leybold PENNINGVAC PTR 225 RN Vacuum Gauge | Inverted-magnetron cold cathode | 1 × 10⁻⁹–1 × 10⁻² mbar | DN25 KF, DN40 KF or DN40 CF |
Models and configurations
LEYBOLD
Leybold PENNINGVAC PTR 225 RN Vacuum Gauge
- Measurement principle
- Inverted-magnetron cold cathode
- Pressure range
- 1 × 10⁻⁹–1 × 10⁻² mbar
- Vacuum connection
- DN25 KF, DN40 KF or DN40 CF
Documentation and specification checks
Open the model page for its specifications and available manufacturer downloads. Match the full model, suffix and revision to the equipment being supplied. Keep installation limits and performance test conditions with the figure when comparing alternatives.
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Vacuum gauges & instrumentation · High & Ultra-high Vacuum Gauges
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Return to the LEYBOLD brand guide · Explore all product families
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Send the process, working pressure, gas, required capacity and electrical supply. For measurement, include the range, connection, output and controller. We can confirm the model, accessories and documentation for your quotation.
Compare selected equipment
Compare the stated conditions as well as the values. A missing specification is not a zero rating; confirm suitability with Girovac.