| Performance
|
| Dew Point Measurement Accuracy |
±0.15°C |
| Repeatability |
±0.05°C |
| Sensitivity |
±0.01°C |
| Response |
Stable measurement at +10°C dp within 1 minute |
| Dew-Point Sensor
|
| Sensor | Single Stage | Dual Stage | Harsh Environment |
| Dew-Point Range(°C) | -25 to +90°C | -40 to +90°C | -40 to 120°C |
| Temperature Range(°C) | -40 to +90°C | -40 to +90°C | -40 to +120°C |
| %RH Range @ 23°C | 2.25 to 100% RH | 0.45 to 100% RH | 0.45 to 100% RH |
| Material | POM (head) Aluminium (body) | POM (head) Aluminium (body) | PEEK (head) Aluminium (body) |
Corrosion & Saturation Protection |
Active Component Isolation System |
| Mirror Temperature Measurement |
Pt1000, Class A |
| Recommended Sample Flow |
Ambient (environmental measurements) to 2Nl/min (flowing sample) |
| Pressure |
2500 kPa max |
| Process Connection |
M36x1.5 |
Remote PRT |
| Temperature Measurement Accuracy |
±0.1°C |
| Temperature Measurement |
Pt100, Class A |
| Cables
|
| Cable Length |
0.3, 3, 5, 10 and 20m lengths available |
| Minimum operating temperature |
Standard: -25°C High temperature: -40°C |
| Maximum operating temperature |
Standard: 90°C High temperature: 120°C |
| Remote Pressure Sensor (Optional) |
| Pressure Measurement Accuracy |
±0.25% FS |
| Pressure Measurement Range |
0-160 kPa OR 0-2500 kPa |
| Process Connection |
1/8” NPT-M |
| Control Unit |
| Resolution |
1 or 2 decimal places selectable |
| Measurement Units |
°Cdp or °Fdp, Relative humidity - %, Absolute humidity - g/m3, ppmV, Mixing Ratio - g/kg, Wet Bulb Temperature
(Twb) - °C, °F, Water Vapor Pressure (wvp) - Pa, Ambient Temperature - °C, °F, Pressure converted DP - °C, °F,
Pressure - kPa, Bara, Barg, Psia, Psig |
| Enclosure | Wall Mount - Optidew 501 | Bench Top - Optidew 401 |
| Material | ABS | ABS |
| Analog Outputs | Two 0/4-20mA outputs (maximum load 500Ω) | Two 0/4-20mA outputs (maximum load 500Ω) |
| Digital Communications | Modbus RTU over RS485 (standard)
Modbus TCP over Ethernet (optional)" | Modbus RTU over:
USB (standard)
RS485 (standard)
Modbus TCP over Ethernet (optional)" |
| Alarms | 1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30Vdc. | 1x Process Relay,
1x Alarm Relay,
Both Form C, 1A, 30Vdc" |
| Inputs | 4-20mA for pressure sensor | 4-20mA for pressure sensor |
| Data Logging | SD card slot (optional) | SD card slot (standard) |
| Ingress Protection | IP54 (standard), IP65 (optional) | IP54 |
| Dimensions | 220x175x75mm | 220x175x118mm |
| Weight | Control unit: 1.5kg, Sensor: 200g | Control unit: 1.5kg, Sensor: 200g |
| Display | 5.7” colour touch screen (optional) | 5.7” colour touch screen |
| Environmental Conditions |
-20 to +50°C, up to 100%RH non-condensing (optional) 100% RH condensing with IP65 connector version |
| Supply Voltage |
100 to 240VAC, 50 to 60Hz |
| Power Consumption |
30VA max |
