Produits
Recherche
Fabricants
Services
Étalonnages (Laboratoire accrédité) Maintenance - Réparations IQ/OQ/PQ Validation/ Cartographie de la température et de l\'humidité Contrôles Santé et Sécurité Études de validation Études de Vibration et de Bruit Organisation de LaboratoireSE 129
SE 129
Transmetteurs de pression intelligents
SPECIFICATIONS TECHNIQUES
Smart differential pressure transmitter with HART ® protocol - SE 129 - D
• Execution
- R relative pressure;
- A absolute pressure.
• Ranges
- see table SE 1.
• Over-pressures
- see table SE 1.
• Range down
- 10:1.
• Output signal
- 4 ÷ 20 mA, with HART ® digital signal superimposed.
• Supply voltage
- 10,5 ÷ 45 V DC, 2 wires.
• Insulation resistance
- > 250 MΩ.
• Short-circuit protection
- permanent.
• Reverse polarity protection
- no damage.
• Overvoltage protection
- 500 V.
• Accuracy
- ± 0,1% for nominal range;
- ± 0,25% for range down 4:1;
- ± 0,5% for range down 10:1.
• Power supply effect
- negligible.
• Thermal drift
- ± 0,05% every 10 °C of variations.
• Compensated tempertaure range of sensor
- -20 ÷ +80 °C.
• Permissible load
- ≤ 50 (V - 12) Ω.
• Long term stability
- ± 0,1% FSD/year.
• Switch on delay
- 5 s.
• Damping
- 0 to 100 s, step 0,1 s.
• Response time
- 200 ms (without consideration of electronic damping).
• Housing
- die cast aluminium alloy painted with red/black epoxy resin - 360 ° revolving.
• Housing protection degree
- IP 65.
• Display
- LCD, 5 digit.
• Window
- laminaed safety glass.
• Sensor
- ceramic.
•Wetted parts
- AISI 316L stainless steel;
- other materials (on request).
• Seals
- FPM (Viton).
• Pressure connection
- G 1/2 B (1/2 Gas or BSP male) or 1/2 - 14 NPT EXT (1/2 NPT male) thread (others on request).
• Electrical connections
- two entries on housing M20 X 1,5 and cable-gland PG 16.
• ATEX classification
- II 2 G/D Ex d IIC T4.
• Ambient temperature
- -40 ÷ +85 °C without display;
- -20 ÷ +70 °C with display.
• Operating temperature
- -40 ÷ +120 °C.
• Storage temperature
- -40 ÷ +85 °C.
• Ambient humidity
- 5 ÷ 98% RH.
• Weight
- ˜1,300 kg .
Smart differential pressure transmitter with HART ® protocol - SE 129 - D
• Ranges
- see table SE 2.
• Static pressures
- see table SE 2;
- on request, static pressure 200 bar (range -75/75 mbar excluded).
• Range down
- max100:1.
• Output signal
- 4 ÷ 20 mA, with HART ® digital signal superimposed.
• Supply voltage
- 10,5 ÷ 45 V DC, 2 wires.
• Insulation resistance
- > 250 MΩ.
• Short-circuit protection
- permanent.
• Reverse polarity protection
- no damage.
• Overvoltage protection
- 500 V.
• Accuracy
- ± 0,1% for range down 5:1 - ± (0,1 + 0,01 X URL/span) between 1/5 and 1/50 of range limit (-75/75 mbar);
- ± 0,075% for range down 10:1 - ± (0,075 + 0,0075 X URL/span) between 1/10 and 1/100 of range limit (-400/400 mbar ÷ -21/21 bar);
- ± 0,2% for range down 10:1 - ± (0,2 + 0,01 X URL/span) between 1/10 and 1/100 of range limit (-70/70 bar);
• Static pressure effect
- zero error - ± 0,1% every 70 bar;
- span error - ± 0,2% every 70 bar.
• Power supply effect
- negligible.
• Thermal drift
- ± 0,45% every 55 °C of variations.
• Long term stability
- ± 0,1% URL/year.
• Switch on delay
- 5 s.
• Damping
- 0 to 100 s, step 0,1 s.
• Response time
- 200 ms (without consideration of electronic damping).
• Housing
- die cast aluminium alloy painted with red/black epoxy resin - 360 ° revolving.
• Housing protection degree
- IP 65.
• Display
- LCD, 5 digit.
• Window
- laminaed safety glass.
• Wetted parts
- AISI 316L stainless steel;
- other materials (on request).
• Seals
- FPM (Viton).
• Differential element filling liquid
- silicone fluid (standard);
- fluoride fluid (on request).
• Bolt and nut fastenings
- carbon steel with zinc coating (standard);
- AISI 304 stainless steel (on request).
• Pressure connections
- 1/4 - 18 NPT (1/4 NPT female) thread or, on request, with 1/2 - 14 NPT (1/2 NPT female) adaptors.
• Electrical connections
- two entries on housing M20 X 1,5 and cable-gland PG 16.
• ATEX classification
- II 2 G/D Ex d IIC T4.
• Ambient temperature
- -40 ÷ +85 °C without display;
- -20 ÷ +70 °C with display.
• Operating temperature
- -40 ÷ +120 °C.
• Storage temperature
- -40 ÷ +85 °C.
• Ambient humidity
- 5 ÷ 98% RH.
• Weight
- ˜3,400 kg .