Προϊόντα
Αναζήτηση
Κατασκευαστές
Υπηρεσίες
Διακριβώσεις (Διαπιστευμένο Εργαστήριο από το ΕΣΥΔ) Συντηρήσεις - Επισκευές Εργαστήριο Mέτρησης καθαρών χώρων (με Πιστοποίηση Lloyd's) Έλεγχοι Καταλληλότητας (IQ/OQ/PQ) Temperature/ Humidity Mapping Μετρήσεις υγείας & ασφάλειας Μελέτες επικύρωσης Μελέτες δόνησης & θορύβου Οργάνωση ΕργαστηρίουSE 129
ΤΕΧΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ
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 .

