Beskrivelse
Generelt
Accuracy 0,5% according to IEC 61298-2
Spesielle egenskaper
- Svært god linearitet
- Kort responstid
- For dynamiske og statiske målinger
Kompakt trykk transmitter med intern membran for måling av svart lave trykk.
| Model | SD-70 | SD-71 |
|---|---|---|
| Accuracy | 0.5 % of full scale value | 0.5 % of full scale value |
| Connection thread | G 1/2 B | G 1/4 B |
| Ranges in mbar | 0…10, 16, 25, 40, 60 | |
| Overload limit | up to 25 mbar up to 200 mbar | from 40 mbar up to 500 mbar |
| Sensor element | piezoresistive sensor made of silicon | |
| Repeatability | < 0.05 % full scale value | |
| Stability per year | < 0.2 % full scale value in rated conditions | |
| Case | CrNi steel | |
| Wetted parts | CrNi steel, silicon, epoxy or RTV, mineral glass with O-ring Viton (FKM) | |
| Pressure connection | Hexagon 27 mm, CrNi steel | |
| Electrical connection | Plug according to EN 175301-803 (DIN 43650) / ISO 4401 with junction box | |
| Power supply | 10…36 VDC (12…36 VDC for output 0…10 V) | |
| Power consumption | Output 4…20 mA: signal current, with voltage output 8 mA | |
| Permissible load | Current 2-wire: Rmax = ((UB-UBmin) / 0.02) Ohm, voltage: Rmin = 10 K Ohm | |
| Short-circuit protection | S + to U – | |
| Reverse polarity protection | U + to U – | |
| CE-conformity | Pressure Equipment Directive – 97/23/EG EMC-Directive to EN 61 326 |
|
| Operational life | > 50 million pressure cycles | |
| Temp. comp. range | < 60 mbar – 0…50 °C, < 400 mbar – 0…70 °C, above 400 mbar 0…85 °C | |
| Temp. influence | 0.5 % / 10 K, zero point and span | |
| Response time | < 5 ms (within 10% to 90% of F.S.) | |
| Protection type | IP 65 to EN 60529 / IEC 529 | |
| Temperatures | Medium: -20°C up to 100°C, Ambient: -25°C up to 80°C | |
| Weight | 0.2 kg | |
