| Product Range | 
               
              
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                    | PRESSURE INSTRUMENTS | 
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                    | TEMPERATURE INSTRUMENTS | 
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                    | LEVEL INSTRUMENTS | 
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                    | FLOW INSTRUMENTS | 
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                    | HUMIDITY INSTRUMENTS | 
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                                    | RH1 - Space Mount | 
                                   
                                  
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                                    | RH2 - Duct Mount | 
                                   
                                  
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                                    | RH3 - Wall Mount | 
                                   
                                  
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                                    | RH4 - Remote Mount | 
                                   
                                  
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                                    | HUM - Humidity Transmitter | 
                                   
                                  
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                                    | HP1 - Pen | 
                                   
                                  
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                                   | H5 - Wall Mount RH+T Transmitter | 
                                   
                                   
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                                   | TH03 - Temperature & Humidity Transmitter | 
                                   
                                  
                                    | Dew Point Transmitters | 
                                   
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                | CLEANROOM INSTRUMENT | 
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                    | HVAC / BMS SENSORS | 
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                    | AIR QUALITY SENSOR | 
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                    | WATER QUALITY SENSOR | 
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                                      | VAV BOXES | 
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                                      | BTU METER | 
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                                      | VALVES | 
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                    | INDICATORS & CONTROLLERS | 
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                    | DATALOGGER | 
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                    | PORTABLE INSTRUMENTS | 
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                    | ACCESSORIES | 
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                   | ONLINE CATALOGUE  | 
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                    | CATALOGUE REQUEST | 
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                RH1 : Space Mount Humidity Temperature Transmitter | 
               
              
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                                Model | 
                                : RH1 | 
                               
                              
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                                Range | 
                                : 0 to 100%RH / -40 to 100ºC | 
                               
                              
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                                Output | 
                                : 4 - 20mA, 0 - 10V, RS485 Modbus | 
                               
                              
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                                Display | 
                                : Optional | 
                               
                              
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                                Accuracy | 
                                : ± 2%RH / ±0.3 K | 
                               
                              
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                                Versions | 
                                : Space Mount | 
                               
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                          | Special Features | 
                         
                        
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                                High performance digital sensors and circuits, ensure accurate measurement | 
                               
                              
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                                temperature compensation | 
                               
                              
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                                Good long term stability and reliability | 
                               
                              
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                                100% interchangeable sensors, no re-calibration needed | 
                               
                              
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                                Fast response | 
                               
                              
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                                Light and state of art house, easy installation and wiring | 
                               
                              
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                                Digital technology applied, multiple output optional, over voltage and reverse polarity protection, high reliability and interference capability | 
                               
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                          | Applications | 
                         
                        
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                                | H1 wall mount temperature and humidity transmitters are designed for environment monitoring and controlling in industrial, commercial and other buildings. These transmitters can be used for indoor air temperature and humidity monitoring in various industrial plant, clean room, lab, machine room, office and commercial building, airport, station, library and stadium, etc. | 
                               
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                          | Specifications  | 
                         
                        
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                          | Relative Humidity | 
                         
                        
                          
                              
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                                Sensor | 
                                : Digital polymer | 
                               
                              
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                                Range | 
                                : 0~100%RH | 
                               
                              
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                                Output | 
                                : 4~20mA(2 wires), 0~10VDC(3 wires), RS485 | 
                               
                              
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                                Accuracy | 
                                : 2,3,4.5%RH(25°C,20~80%RH) | 
                               
                              
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                                Hysteresis | 
                                : <±1%RH | 
                               
                              
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                                Response time | 
                                  <10s(25°C,in slow air) | 
                               
                              
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                                Drift | 
                                : <±0.5%RH/year | 
                               
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                          | Temperature | 
                         
                        
                          
                            
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                              Sensor | 
                              : Solid state band gap, RTD or thermistor | 
                             
                            
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                              Range | 
                              : 0~50°C | 
                             
                            
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                              Output | 
                              : 4~20mA(2 wires), 0~10VDC(3 wires), RS485, or  
                                                                     RTD, thermistor | 
                             
                            
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                              Accuracy | 
                              : see model table | 
                             
                            
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                              Power | 
                              : Current 7.5~36VDC Voltage & Other 15~35VAC/DC | 
                             
                            
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                              Output Load | 
                              : <600 ohm (current), >2Kohm (voltage) | 
                             
                            
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                              Display | 
                              : Large LCD display | 
                             
                            
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                              Display Resolution | 
                              : 0.1°C, 0.1%RH | 
                             
                            
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                              Temperature Limit | 
                              : 0~70°C, 0~95%RH (Non condensing) | 
                             
                            
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                              Storage Temperature | 
                              : -20~80°C | 
                             
                            
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                              Housing | 
                              : Fireproof ABS | 
                             
                            
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                              Protection | 
                              : IP30 | 
                             
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