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PT R26 501
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IMR 265, high-pressure hot cathode, DN 40 ISO-KF
Order number: PT R26 501

  • Flange size DN 40 ISO-KF
  • The maximum pressure applies to inert gases and temperatures below 55 °C
  • Two gauge heads (Pirani and hot cathode) in a single case
  • Highly accurate
  • Automatic cathode protection
  • Resistant in corrosive media
Ambient temperature 0-50 °C | 32-122 °F | 273-323 K
Bakeout temperature Electronics removed 150 °C | Electronics removed 302 °F | Electronics removed 423 K
Electron absorber Stainless steel
Filament Iridium coated with Y2O3
Filament holder Mo
Pt
Flange, material Stainless steel
Insulator Glass
Ion absorber Stainless steel
Materials in contact with media Stainless steel
Measurement cable length 100 m
Measuring range 2 · 10-6 – 1 · 103 hPa
Nominal diameter DN 40 ISO-KF
Output signal: Measuring range hot cathode 1.5 – 7.5 V
Output signal: Measuring range Pirani 8.5 – 9.75 V
Output signal: Minimum load 10 kΩ
Pirani measurement element Copper
Tungsten
Precision: 1 · 10-5 – 1 hPa ± 15 %
Pressure max. 5,000 hPa | 3,750 Torr | 5,000 mbar
Repeatability: 1 · 10-1 – 100 hPa 30 %
Repeatability: 1 · 10-5 – 1 · 10-1 hPa 2 %
Supply: consumption max. 16 W
Supply: Voltage V DC 20 – 30 V DC
Temperature: Storage -20-70 °C | -4-158 °F | 253-343 K
Volume 24 cm³
Weight 315 g

Dimension-TIM-RS

Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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