HS3 Probe

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The HygroSmart HS3 is an accurate, stable and user configurable probe designed to provide reliable humidity measurement for process control in a wide range of applications.

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The HygroSmart HS3 is an accurate, stable and user configurable probe designed to provide reliable humidity measurement for process control in a wide range of applications. The HS3 probe features an interchangeable sensor to ensure minimal process downtime and low cost of ownership.

Product Features

• Accuracy ±0.8%; RH
• Operating temperature -40 up to 120°C
• Rugged 10 bar pressure rated industrial housing
• Second output parameter: temperature (°C), frost/dew-point (°C), absolute humidity (g/m3), specific enthalpy (kJ/kg) or water activity
• 2x Voltage outputs (0-1/2.5/5/10V), 1x RS485 output (Modbus RTU)
• Probe 100% end-user configurable
• Interchangeable sensor for rapid maintenance
• Digital zero & span trimming
• Traceable 5 point calibration certificate
• Loop checking Simulator

Technical Specifications
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	0.0004%/°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
Rec ommended 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

Documents:

File name Upload Date Size

Michell HS3 Datasheet 2018.3.28 0.1 MB

Michell HS3 User Manual 2018.3.28 1.2 MB

File name	Upload Date	Size
Michell HS3 Datasheet	2018.3.28	0.1 MB
Michell HS3 User Manual	2018.3.28	1.2 MB