Nor-Cal CDG 045 OP Lit - Manual (Page 12)

12 CDG045-OP-LIT (2010-1)
Supply voltage
at the gauge
Class 2 / LPS
+14 … +30 VDC or
±15 V (±5%)
Ripple
≤1 V
pp
Power consumption
while being heated
at operating temperature
≤12 W
≤8 W
The gauge is protected against reverse polarity of the supply
voltage and overload.
Electrical connection 15-pin D-Sub, male
Sensor cable 15-pin plus shielding
Cable length
Supply voltage 15 V
≤ 8 m (0.14 mm²/conductor)
≤15 m (0.25 mm²/conductor)
Supply voltage 24 V
≤43 m (0.14 mm²/conductor)
≤75 m (0.25 mm²/conductor)
Supply voltage 30 V
≤88 m (0.14 mm²/conductor)
≤135 m (0.25 mm²/conductor)
For longer cables, larger conductor cross-sections are required
(R
cable
≤ 1.0
Ω).
Grounding concept
→ "Power Connection"
Materials exposed to vacuum ceramics (Al
2
O
3
≥99.5%),
stainless steel AISI 316L,
nickel, glass solder
Internal volume
≤4.2 cm 3
Admissible pressure (absolute)
1000 Torr (F.S.)
1 … 100 Torr (F.S.)
0.1 Torr (F.S.)
3 bar
2 bar
1.3 bar
Burst pressure (absolute) 6 bar