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Pfeiffer Vacuum IKR 251 compact cold-cathode vacuum gauge.
Pfeiffer Vacuum PKR 251 compact FullRange vacuum gauge (Pirani/cold-cathode combination).
Pfeiffer Vacuum TMH 071 P compact turbomolecular (turbo) pump, ~60 l/s pumping speed, DN63 flange, permanent-magnet bearing on the high-vacuum side.
Pfeiffer Vacuum TPR 280 Pirani vacuum transmitter/gauge.