|
Feature |
Specification |
|---|---|
|
Refractive index range |
-73 sapphire prism, nD 1.3200 … 1.5300 -72 sapphire prism, nD 1.3600 … 1.5700 |
|
Accuracy |
Refractive index nD ±0.0002 (corresponds typically to ±0.1 % by weight) Repeatability and stability correspond to accuracy |
|
Speed of response |
1 s undamped, damping time selectable up to 5 min |
|
Calibration |
With Cargille certified refractive index liquids over full range of nD 1.3200 … 1.5300 |
|
CORE‑Optics |
No mechanical adjustments |
|
Digital measurement |
3648 pixel CCD element |
|
Light source |
LED 589 nm wavelength, sodium light |
|
Temperature sensor |
Built‑in Pt‑1000 |
|
Temperature compensation |
Automatic, digital compensation |
|
Instrument verification |
With certified refractive index liquids and Vaisala documented procedure |
|
Ambient temperature |
-20 … +45 °C (-4 … +113 °F) |
|
Feature |
Specification |
|---|---|
| Isolation valve connection |
Safe‑Drive flange DN 40PN25 |
|
Process pressure |
Static pressure up to 20 bar (300 psi), operational pressure up to 10 bar (150 psi) |
|
Process temperature |
-20 … +170 °C (-4 … +340 °F) |
|
Process wetted parts, standard |
SAF 2205, Duplex steel SS 2377, EN 1.4462, UNS S31803, spinel or sapphire prism, prism gaskets MTF (Modified Teflon®) |
|
Sensor protection class |
IP67, Nema 4X |
| Protection class | Protection class 3 |
| Isolation valve, process wetted parts |
SAF 2205, Duplex steel SS 2377, EN 1.4462, UNS S31803, AISI 316 L, flange gasket Viton®, lip seals Bronze Teflon® and ELGILOY, AISI 301 spring |
| Isolation valve, process connection |
By welding to pipe sizes of 2 … 24 in, for both vertical and horizontal pipelines |
| Prism wash |
Retractable steam wash nozzle with check valves, high-pressure water wash nozzle. |
| Sensor and valve weight | 10.5 kg (23 lbs) |
|
Feature |
Specification |
|---|---|
| Safe‑Drive retractor SDR-23 | |
| Retractor weight | 7.7 kg (17 lbs) |