Descripción
Comet T7311
- Computerized design ensures temperature compensation of the humidity sensor and fails indication
- Indoor
- Transmitters are designed for use in a non-aggressive environment
- Transmitter contains a microprocessor-based control circuitry in a durable plastic case with connection terminals and sensors in a filter with stainless steel mesh
Industrial Temperature, Humidity, Barometric Pressure Transmitter, RS232 Output
Degrees Celsius and Fahrenheit are user selectable. Transmitter contains a microprocessor-based control circuitry in a durable plastic case with connection terminals and sensors in a filter with stainless steel mesh. Large dual line LCD for simultaneous display of T+RH or other humidity interpretation is an advantage. Display is possible to switch off. Computerized design ensures temperature compensation of the humidity sensor and fails indication. State-of-the-art capacitive polymer sensor ensures excellent calibration long-term stability, inertia against water, and condensation. Transmitters are designed for use in non-aggressive environment.
Measured values are converted to RS232 serial output. Serial output RS232 – transmitter works with ModBus RTU communication protocol or with Advantech ADAM compatible protocol. Protocol is user selectable in special configuration mode by means of the PC. Serial link enables to read actual readings and modify transmitter configuration. Instrument works always in slave mode, i.e. responds only to master device query. Transmitters have the address space available from 1 to 255. Communication speed is 110 to 115200B.
Applications
- Building HVAC management
- Building HVAC automation
- Warehouses
- Glasshouses
- Manufacturers
- Museums, archives, galleries
- Air-conditioned rooms
- Weather stations
Software
- Comet Database
- Complex solution for data acquisition and analysis. Easy to use and high flexible Database software for Comet Transmitters and Regulators.
- Sensor RS485/232 utility
- Allows communication of sensors with RS485/RS232 output and sending data to Comet Database.
- T-Sensor software
- Free configuration utility for Comet Transmitters and Regulators.
- Sensor Reader software
- Basic data acquisition utility for Comet Transmitters and Regulators. Software is free for download.
Manufacturer Specs
| Comet T7311 Specifications | |
| Output | RS232 |
| Measured Value | Temperature + Relative Humidity + Atmospheric Pressure |
| Construction Type | With T+RH Probe on Cable |
| Design | Industrial |
| Temperature Measuring Range | -30 to 105 °C |
| Relay Output | No |
| Two-State Input | No |
| Lcd Display | Yes |
| PoE | No |
| Relative humidity range | 0 to 100% |
| Accuracy of relative humidity measurement | ±2.5% relative humidity from 5 to 95% at 23°C |
| Accuracy of temperature output | ±0.4°C from -30 to +100°C ±0.4% from reading over +100°C |
| Available temperature units | degrees Celsius, Fahrenheit |
| Accuracy and range of dew point temperature output – for more details see graphs | ±1.5°C at ambient temperature T<25°C and RH>30% range -60 to +80 °C |
| Accuracy and range of absolute humidity output | ±1.5g/m3 at ambient temperature T < 25°C range 0 to 400 g/m3 |
| Accuracy and range of specific humidity output | ±2g/kg at ambient temperature T < 35°C range 0 to 550 g/kg |
| Accuracy and range of mixing ratio output | ±2g/kg at ambient temperature T < 35°C range 0 to 995 g/kg |
| Accuracy and range of specific enthalpy output | ±3kJ/kg at ambient temperature T < 25°C range: 0 to 995 kJ/kg |
| Maximum measuring pressure range | 600 to 1100hPa |
| Accuracy of pressure measurement | ±(1,3hPa+0.06% from adjusted output span) at 23°C from 800 to 1100hPa |
| Available pressure units | hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in2 |
| Temperature operating range of case with electronics | -30 to +80°C |
| Temperature operating range of LCD display | readable to operating temperature +70°C, it is recommended to switch OFF the LCD over +70°C |
| Range of humidity sensor temperature compensation | all temperature range |
| Communication protocol | ModBus RTU and Advantech ADAM compatible protocol |
| Communication speed | 110 to 115200 Bd |
| Filtering ability of sensor cover | 0.025mm – filter with stainless steel mesh |
| Protection of the case with electronics | IP54 electronics, IP40 sensors |
| Power | 9-30Vdc, current consumption approximately 6mA |
| Length of the probe cable | 1m, 2m or 4m optionally |
| Dimensions | display unit 88.5 x 114 x 39.5 mm (W x H x D), probe length 88 mm, probe diameter 18mm |
| Weight | approximately 290g – 1m probe |
| Warranty | 3 years |
Tech Specs
Environmental Testers / Physical Property/Barometers and Altimeters Template |
|
|---|---|
| Wireless Capability | No |
Test Equipment General Attributes |
|
| Warranty | 3 YEARS |
| Interfaces I/O | RS-232 |
| IP Rating | IP40, IP54 |
| Product Weight | 1 LBS |
| Shipping Weight | 1.15 LBS |
| HTS/Schedule B Number | 9025.19.8080 |
| ECCN Number | EAR99 |
| Country of Origin | Czech Republic |
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