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3. Technical data
LPT 200
Differential pressure ranges
Measuring cell
Differential pressure range dp
Setting limits
(zero point and span freely con-
figurable within this range)
Smallest permitted span
Permitted static pressure
Turn down ratio TD
(in relation to the differential
pressure range dp)
Output signal / auxiliary power
Standard
Error signal
Signal characteristics
Accuracy
Influence of auxiliary power
Influence of static pressure
Influence of installation position
Long-term stability
Permitted load
T90 response time T90
Damping
Temperature error (zero point and span)
Temperature range -20 ... +65°C
Temperature range -40 ... -
20°C
+65 ... +100°C
Temperature limits
Environment / storage
Media-contacting parts
A
Type
10 mbar
-10 ... 10 mbar
1 mbar
70 bar
Optional
-
10:1
2-wire:
4 ... 20 mA / U
(with LCD display
Namur NE43 High / low (configurable)
TD ≤ 10:1:
≤ ± 0.075 % FSO
≤ ± [0.0075x TD] % FSO
TD >10:1:
where TD = differential pressure range dp / set pressure range
(FSO = full scale output)
≤ 0.001 % FSO / 10 V
Type A: ± [0.015 mbar + 0.1 % of the set pressure range] / 40 bar
Type B: ± [0.06 mbar + 0.075% of the set pressure range] / 160 bar
Type C: ± [0.2 mbar + 0.05% of the set pressure range] / 160 bar
Type D: ± [1.25 mbar + 0.05% of the set pressure range] / 160 bar
Type E: ± [10 mbar + 0.05% of the set pressure range] / 160 bar
Max. 400 Pa (can be offset using the zero adjustment)
Type A: ≤ ± (0.5 % x differential pressure range dp) / year under reference conditions
Type B: ≤ ± (0.2% x differential pressure range dp) / year under reference conditions
Type C: ≤ ± (0.1% x differential pressure range dp) / year under reference conditions
Type D: ≤ ± (0.1% x differential pressure range dp) / year under reference conditions
Type E: ≤ ± (0.1% x differential pressure range dp) / year under reference conditions
Without LCD display : R
With LCD display
communication: R = 230 ... 600
®
HART
Type A: approx. 1.6s
Type B: approx. 0.4s
Type C: approx. 0.2s
Type D: approx. 0.2s
Type E: approx. 0.1s
Electronic :0 ... 60 s plus T90 response time
Type A: ± [0.45 x TD + 0.25 ]% of the set pressure range
Type B: ± [0.30 x TD + 0.20 ]% of the set pressure range
Type C: ± [0.20 x TD + 0.10 ]% of the set pressure range
Type D: ± [0.20 x TD + 0.10 ]% of the set pressure range
Type E: ± [0.20 x TD + 0.10 ]% of the set pressure range
Type A: ± [0.45 x TD + 0.25 ]% of the set pressure range
Type B: ± [0.30 x TD + 0.20 ]% of the set pressure range
or
Type C: ± [0.20 x TD + 0.10 ]% of the set pressure range
Type D: ± [0.20 x TD + 0.10 ]% of the set pressure range
Type E: ± [0.20 x TD + 0.10 ]% of the set pressure range
Without display
With display
Silicone oil
Fluorinated oil
B
C
60 mbar
400 mbar
-60 ... 60 mbar
-400...400 mbar
2 mbar
4 mbar
160 bar
160 bar
-
400 bar
30:1
100:1
= 12 ... 42 V
B
DC
/ U
= 15 ... 42 V
)
B
DC
– 12 V) / 0.023 A]
= [(U
max
B
– 15 V) / 0.023 A]
: R
= [(U
max
B
: -40 ... 85 °C
: -20 ... 65 °C
(85°C when not in use)
: -40 ... 100 °C
(Info: +125°C for a short time, max. 30 min.)
: -40 ... 100 °C
(Info: +125°C for a short time, max. 30 min.)
D
E
2.5 bar
20 bar
-2.5 ... 2.5 bar
-20 ... 20 bar
25 mbar
200 mbar
160 bar
160 bar
400 bar
400 bar
100:1
100:1
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