Descripción
Comet H3021P Compressed Air Temperature and Humidity Regulator
- H3021P Compressed Air Temperature and Humidity Regulator
- Building management and automation
- Telecommunication devices
- Warehouses, glasshouses
- Museums, archives, galleries
- Air-conditioned rooms, HVAC
Humidistat, thermostat with two relay outputs. T+RH probe from hard anodized duralumin for compressed air up to 25 bars. Outdoor, indoor use.
Humidity, temperature probe on a cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy.
The device is supplied with T+RH probe with 1m cable. Cable lengths 2m or 4m available optionally.
Humidistat is designed for two-state control of e.g. heating, ventilation, humidifier, dehumidifier, etc. Transmitter is equipped with two relay outputs for alarm indication or control of external devices. Each relay can be assigned to any measured or computed value. For each relay setting of delay, hysteresis, audible alarm is enabled. Measured temperature and relative humidity is recalculated to other humidity interpretations – dew point temperature, absolute humidity, specific humidity, mixing ratio or specific enthalpy.
Parameters are easy adjustable from regulator keyboard or from the computer. Large dual line LCD for simultaneous display of temperature, relative humidity or other calculated humidity interpretation is an advantage.
State-of-the-art capacitive polymer sensor ensures excellent calibration long term stability, inertia against water and condensation. Transmitter is designed for use in non-aggressive environment.
T+RH probe from hard anodized duralumin with 1m cable. Cable lengths 2m or 4m available optionally.
Figure: Relative humidity operating range
Regulators are designed for wall mounting. Device must be mounted on the plane surface to prevent its deformation. Mounting holes and connection terminals are accessible after demounting of four screws in the corners of the box and removing the lid. There is recommended to use screws with half round head with cross-recessed screw ST 3.9 (DIN 7981). Lace the lead-in cable with outer diameter of 3 to 6.5 mm through the glands at the case wall and connect them according schematic below. Terminals are self-clamping and can be opened by a suitable screwdriver. For the opening, insert the screwdriver to smaller terminal hole and lever by him. Do not forget to tighten glands and case lid with inserted packing after cables connecting. Insert attached plug into unused cable glands too. Do NOT connect the regulator under voltage.
Manufacturer Specs
| Technical Parameters | Value |
| Output | None |
| Measured Value | Temperature + Relative Humidity |
| Construction Type | Compressed Air Humidity up to 2.5MPa |
| Design | Industrial |
| Temperature Measuring Range | -30 to 105 °C |
| Relay Output | Yes |
| Two-State Input | No |
| Lcd Display | Yes |
| PoE | No |
| Maximum switching voltage, current, power of relay output | 50V, 2A, 60VA |
| Audible alarm | from built-in beeper – switchable |
| 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 |
| Dew point temperature range | -60 to +80 °C |
| Accuracy of dew point temperature output (for more details see instruction manual) | ±1.5°C for dew point temperature +10°C and higher at ambient temperature +25°C |
| Accuracy of dew point temperature output | ±2.0°C for dew point temperature 0°C at ambient temperature +25°C |
| Accuracy of dew point temperature output | ±3.0°C for dew point temperature -10°C at ambient temperature +25°C |
| Accuracy of dew point temperature output | ±6.0°C for dew point temperature -20°C at ambient temperature +25°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 |
| Temperature operating range | -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 |
| Temperature compensation of the humidity sensor | all temperature range |
| Filtering ability of sensor cover | 0.025mm – filter with stainless steel mesh |
| IP protection | IP65 electronics, IP40 sensors |
| Power | 9-30Vdc, power consumption approximately 1W |
| Mechanical connection of probe | G1/2 with O-Ring |
| Length of the probe cable | 1m, 2m or 4m optionally |
| Dimensions | 136 x 159 x 45 mm (W x H x D), probe length 150 mm, probe diameter 18mm |
| Weight | approximately 450g |
| Warranty | 3 years |
Tech Specs
Test Equipment General Attributes |
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|---|---|
| Product Weight | 1 LBS |
| Shipping Weight | 1.15 LBS |
| Country of Origin | Czech Republic |
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