Owner's manual

8
tina40e1-b (2011-04)
2 Technical Data
Pressure range
10 … 1500 mbar capacitance diaphragm sensor
1 … 10 mbar crossover range
2×10
-2
… 1 mbar Pirani sensor
5×10
-3
…2×10
-2
mbar crossover range
5×10
-10
…5×10
-3
mbar hot cathode ionisation (BA)
Range (air, O
2,
CO, N
2
) 5×10
-10
… 1500 mbar, continuous
Accuracy
1×10
-8
… 50 mbar ±15% of reading
50 … 950 mbar ±5% of reading
950 … 1050 mbar ±2.5% of reading
(after 10 min. stabilisation)
Repeatability 5% of reading, 10
-8
… 10
-2
mbar
(after 10 min. stabilisation)
Gas type dependence
→ Appendix B
Switching on threshold
Switching off threshold
2.4×10
-2
mbar
3.2×10
-2
mbar
Emission current
p ≤7.2×10
-6
mbar
7.2×10
-6
mbar < p < 3.2×10
-2
mbar
5 mA
25 µA
Emission current switching
25 µA ⇒ 5 mA
5 mA ⇒ 25 µA
7.2×10
-6
mbar
3.0×10
-5
mbar
Degas emission current
(p <7.2×10
-6
mbar)
≈20 mA (P
degas
≈4 W)
Control input signal 0 V/+24 VDC, active high
(control via RS232 →  33)
Duration max. 3 min, followed by automatic stop
A new degas cycle can only be started
after a waiting time of 30 minutes.
In degas mode, BCG450 gauges keep supplying measurement values, however
their tolerances may be higher than during normal operation.
Output signal (measuring signal) 0 … +10.13 V
Measuring range 0.774 … +10.13 V
(5×10
-10
mbar … 1500 mbar
Relationship voltage-pressure logarithmic, 0.75 V/decade
(
→ Appendix A)
Error signal +0.1 V Diaphragm sensor or
EEPROM error
+0.3 V BA sensor error
+0.5 V Pirani sensor error
(→  47)
Minimum load impedance
10 kΩ
Measurement principle
Measuring range
Emission
Degas
Output signal