Liquid Level Transmitters

Series 400
 
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Model 400 Photo
 

Specifications
 
Measurement Characteristics
Pressure Range:
Overpressure:
Accuracy:
Hysteresis & Repeatability:
Long term stability:
Response time (10...90%):

0...1 to 0...100m H20
At least 3 times nominal value
0.2% FS
± 0.05% FS
± 0.20% FS/year
25 ms
 
Temperature Influence (in compensated range)
Zero:
Span:

TC ± 0.15% FS/10K
TC ± 0.10% FS/10K
 
Temperature Characteristics
External Mount:
 
Internal Mount:

Operating Temperature
Storage Temperature
Operating Temperature
Storage Temperature

-30°C...125°C
-30°C...125°C
-10°C...80°C
-10°C...80°C
 
Materials Specification
Fitting Body:
Diaphragm:
Housing:
Cable:

Stainless Steel W.1.4435, Hastelloy C
Stainless Steel W.1.4404, Hastelloy C
Stainless Steel W.1.4301
PTFE
 
Electrical Specification
Supply voltage:
 
Insulation Resistance:
Load:

10...30 V DC (4.20 mA)
10...28 V DC (4.20 mA EEX)
>1 GOhm, 500 V DC
RL < 50 x UB - 450
Protected against reverse signal polarity
 
Oil Filling
Silicon Oil:

Temperature range from -30°C to +125°C
 
Switch ON Time
5 sec.
 
EMC
Influence of EMC:
Conformity:

Less than 0.15% FS
EN 50081-1, EN 50082-2, EN 61326, EN 50121-4
 
ATEX Data
Intrinsically safe conforming to EN 50020 and EN 50281-1-1
Applications:
 

II 1G II 1D Device located in zone 0/zone 20
II 2G II 1D Device located in zone 1/zone 20
Intrinsically safety EEx ia IIC. The device can only be connected to an approved intrinsically safe current loop with the following boundary values:
U0 = 28V, Ik = 100mA, P = 1.5W
The device internal capacity and inductivity values are:
Ci = 1nF, Li = 0.1mH
 
Environmental specification
Vibrations:
Shocks:

According to EN 60068-2-6
According to EN 60068-2-6
 
Protection Class
External Mount:
Internal Mount:

IP 67
IP 68
 
Physical Characteristics
Weight:
Dimensions:

140g, without adaptor
See schematics