Mechanical specifications
| Property | Specification |
|---|---|
| Wetted parts | |
| Prism and sapphire plate | Sapphire monocrystalline, 99.996 % Al2O3 1 |
| Flow cell | Ultra pure PTFE 1 |
| Prism gasket | Modified PTFE 1 |
| Process gasket | Kalrez W240UP 1 |
| Non-wetted parts | |
| Housing | Stainless steel (AISI 316) |
| Coating | Cerakote, white (PR53M with integrated fittings) |
| Screws TX20, torque 2.0 Nm | EN 1.4404 (AISI 316L) |
| Cable | 4×21 AWG PUR, gray 10 m multistrand, with ferrules Flame-retardant acc. to IEC 60332-1-2, FT1, VW1 |
Electrical specifications
| Property | Specification |
|---|---|
| Supply | |
| Operating voltage | 24 V DC nominal (9–30 V DC) |
| Power consumption | Less than 1 W |
| Protection class | 3, PELV |
| Outputs | |
| Output parameters | RI, temperature, concentration, quality factor |
| Diagnostics |
Image detection: outside light error, no optical image, no sample, prism coated, prism coated persistently, outside light to prism, low image quality Process temperature measurement: temperature measurement fault Concentration calculation: concentration out of range, temperature out of range Internal environment: high internal temperature, high internal humidity System: blank image corrupted |
| Analog outputs | |
| mA |
Sourcing, isolated, NAMUR NE 43, configurable |
| mA range | 3.8–20.5 mA |
| Loop impedance | Max. 600 Ω |
| Accuracy of analog outputs at +20 °C | ±0.1 % of full scale (±0.00002 RI) |
| Digital outputs | |
| Digital output | RS-485, non-isolated |
| Maximum cable run | 300 m (approx. 1000 ft) (digital) |
| Supported protocol | Modbus RTU |
| Connectors | |
| External connectors |
1 × M12 F 4 pins, A-coded 2 2 × M16×1.5 cable gland, Cable D 5–10 mm / Adapter for conduit entry M16×1.5 3/ NPT ½" |
Environmental specifications
| Property | Specification |
|---|---|
| Process parameters | |
| Process temperature |
–10 … +130 °C (+14 … +266 °F) |
| Pressure | 10 bar at 20 °C, 4,5 bar at 130 °C (145 psi at 68 °F, 652 psi at 266 °F) |
| Operating environment | |
|
Storage temperature |
−40 … +65 °C (−40 … +149 °F) |
|
Operating temperature |
−40 … +60 °C (−40 … +140 °F) |
|
Maximum operating altitude |
2000 m (approx. 6500 ft) |
|
Operating humidity |
0–100 %RH |
|
Storage humidity |
0–100 %RH, non‑condensing |
|
UL 50E (NEMA) rating |
Type 4X: Dust-tight. Protected from corrosion and hose-directed water. |
|
IP rating |
IP66: Dust-tight. Protected from powerful water jets from any direction. IP67: Dust-tight. Protected from the effects of temporary immersion in water under standardized conditions of pressure and time. |