Vaisala HUMICAP® Humidity and Temperature Probe HMP4 is designed for high-pressure applications such as compressed air systems in maritime, breathing air, and industrial applications, where measurement performance and chemical tolerance are essential. The HMP4 is part of the Indigo product family and compatible with Indigo500 and Indigo200 series transmitters and free Insight PC Software.
 
	
		Features
	
		
			RH accuracy up to 0.8 %RH, Temperature accuracy up to 0.1 °C (0.18 °F)
		
			Temperature measurement range -70 ... +180 °C (-94 ... +356 °F)
		
			Operating pressure 0 ... 10 MPa (0 ... 100 bar)
		
			Sensor purge provides superior chemical resistance
		
			Modbus RTU over RS-485
		
			Plug & play compatible with Indigo™ series of transmitters
		
			Traceable calibration certificate: 5 points for humidity, 1 point for temperature
			
			
				Key Benefits
			
				
					
						
							
								
									Proven Vaisala HUMICAP performance
								
									Vaisala is the original innovator of the thin-film capacitive humidity measurement technology, which has now become the industry standard in humidity measurement.
							 
						 
						
							
								
									Chemical purge minimizes effects of contaminants
								
									In environments with high concentrations of chemicals and cleaning agents, the chemical purge option helps to maintain measurement accuracy between calibration intervals.
							 
						 
						
							
								
									Flexible connectivity
								
									The probe is plug and play compatible with Vaisala Indigo series transmitters, can be used as a standalone digital Modbus RTU transmitter, or connected to Vaisala Insight™ PC Software.