Tbl. 11: Electrical Data; Tbl. 12: Internal Volume And Weight; Tbl. 13: Ambient Conditions; Tbl. 14: Temperatures - Pfeiffer Vacuum TPR 280 Operating Instructions Manual

Pirani gauge
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Parameter
Supply voltage
Power input
Power input
Fuse (to be connected in series)
Connection (electrical)
Measurement cable
Cable length
Earthing concept
Tbl. 11:
Electrical data
Parameter
Internal volume
Weight
Tbl. 12:
Internal volume and weight
Parameter
Relative humidity
Mounting orientation
Use
Installation altitude max.
Protection category
Tbl. 13:
Ambient conditions
Parameter
Operation
4)
Vacuum connection
5)
Filament
Storage
Tbl. 14:
Temperatures
3)
Pfeiffer Vacuum measuring and control equipment complies with this requirement.
4)
For horizontal installation. The technical data may deviate in measuring range, accuracy and repeatability for
bake-out.
5)
Cannot be influenced by the operator
at gauge
Ripple
3)
(see chapter "Establishing the electric connection", page 20)
Vacuum connection and
signal earth
Supply earth and signal
earth
Short version
Long version
DN 16 ISO-KF, short version
DN 16 CF-R, short version
DN 16 ISO-KF, long version
DN 16 CF-R, long version
Value
max. 80 % for temperatures up to +31 °C, reducing to 50 % at +40 °C
Arbitrary
Only in indoor areas
2000 m MSL
IP40
Value
+5 to +60 °C
≤ 80 °C (short version)
≤ 250 °C (long version)
≤ 110 °C
-20 to +65 °C
Technical data and dimensions
Value
+14 to +30 V DC
≤ 1 V
pp
< 500 mA (max. switch-on current)
≤ 1 W
1 AT
Hirschmann GO 6 UM (6-pin, pins)
5-pin, including shielding
≤ 150 m (5 × 0.25 mm
2
/ conductor)
2
≤ 200 m (5 × 0.34 mm
/ conductor)
Connected via 1 MΩ (voltage differ-
ence < 15 V)
Arranged separately; for differential
measurement
Value
approx. 1.5 cm
approx. 10 cm
80 g
100 g
130 g
140 g
3
3
39/42

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