| Performance specifications |
| RH Measurement Range (RH) |
0 to 100% RH |
| RH accuracy @ 23°C |
± 0.8% RH (5 to 95%RH) |
| RH thermal coefficient |
<0.03% RH/°C typical |
| RH measurement response time |
< 1 sec to RH event |
| RH element |
Michell H8000 |
| RH long term stability |
±1% RH per year |
| Temperature measurement range |
-40 to +85°C |
| Temperature accuracy |
±0.2°C |
| Temperature resolution |
±0.01°C |
| Temperature technology |
PT1000 1/3 DIN Class B |
| Recommended storage range |
+10 to +40°C |
| Calibration |
Traceable 5-point calibration certificate |
| Application Software |
HS3 Application Software downloadable from www.michell.com |
| Electrical Specifications |
| Voltage output signals |
0-1 V, 0-2.5 V, 0-5 V, 0-10 V |
| Digital output signal |
Modbus RTU over RS485 2-wire |
| Electrical thermal coefficient |
0.004%/°C |
| Load resistance |
0-1, 0-2.5 V : 10K Ω
0-5, 0-10 V : 50K Ω |
| Supply voltage range |
5 to 28 V DC |
| Supply current consumption |
5V : 4mA
28V : 7mA |
| Supply protection |
Protected against reverse voltage and overvoltage |
| Configurable calculated scales/ranges |
Dew point: -40 to +100°C
Water activity: 0 to 1
Absolute humidity: 0 to 200 g/m³
Specific enthalpy: 0 to 800 KJ/kg
Frost point: -50 to +10°C |
Configurable temperature scales/
ranges |
°C, °F : -20 to 80°C, 0 to 50°C, -40 to +60°C,
-30 to +70°C, 0 to 100°C |
| CE conformity |
2004/108/EC heavy industrial immunity |
| Operating Specifications |
| Probe operating temperature |
Probe: -40 to +85°C
Interchangeable sensor:-40 to +120°C |
| Recommended storage temperature |
+10 to +40°C |
| Mechanical specification |
| Ingress protection |
IP67 (NEMA 6) |
| Material |
Probe & sensor body: Solid glass filled PBT
Interconnect ring: Anodise aluminium
Filter assembly: HDPE or moulded polymer & PVDF |
| Dimensions |
Probe: L=145mm, ø15mm
Interchangeable sensor: L= 56mm, ø12mm |
| Weight |
31g approx (packed weight 45g) |
| Electrical Connector |
M12 5 pin (A coded) |
| Mating connector/cable (optional) |
M12 connector/cable 2, 5, 10 meter assembly |
| Product marking |
Indelible laser etched alphanumeric/bar coded
identification |
| Maintenance kits ( Optional ) |
| HS3 Probe simulator kit |
Desk-mounted configuration kit, 3 x sensor
simulators (25%, 50%, 75% RH at 23°C),
spare probe electronics, carry case |
| HS3 Probe configuration kit |
Desk-mounted configuration kit, spare
probe electronics, carry case |
| HS3 Probe logger/ configuration converter cable |
1.8 metre USB to RS485 converter cable with M12 connector |
