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Liquid Level Systems
...specialists in liquid level measurements and control
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Tank Gauging Systems
Liquid Level Transmitters
Tank Contents Gauges
Float Level Switches
Series 500
Overview
Mounting Options
Specifications
Accessories
FAQs
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Specifications
Measurement Characteristics
Pressure range
0...0.4 to 0...20 mH2O
Overpressure
At least 2 times nominal value
Accuracy
± 0.25% FS
Hysteresis & Repeatability
± 0.05% FS
Long term stability
± 0.25% FS
Response time
25ms
Temperature Influence (in compensated range)
Zero
TC ± 0.20% FS
Span
TC ± 0.20% FS
Temperature Characteristics
Compensation
-10°C...70°C
Operating
-20°C...85°C
Storage
-40°C...100°C
Materials
Diaphragm/Port/Housing
Stainless Steel 316L
Cable
Polyurethane (vented)
Electrical
Supply voltage
8...28VDC (4...20mA)
Output - Analogue
4...20mA
Output - Digital
RS485
Insulation Resistance
100MΩ, 50VDC
Load Resistance
(U – 8V) / 0.02A (Ω)
Protected against reverse signal polarity
Oil Filling
Silicon Oil
Temperature range from -30°C to +125°C
Mounting Options
Model 510
External flange mount (typically DN25)
Model 520
Internal (submersible) running nut/boss connection
Model 530
Internal (submersible) pole mount
Model 540
External ¾" BSP male connection
Model 550
Internal (submersible) guide pipe
EMC
Influence of EMC
Less than 0.15% FS
Conformity
EN 61326
Intrinsic Safety
Explosion Protection
EEx ia IIC T6
Environmental
Vibrations
20g, 20...500Hz
Shocks
30g, 11ms
Protection Class
External Mount
IP 68
Internal Mount
IP 68
Physical Characteristics
Weight
200g