| Comet H7331 Specification |
| Technical Parameters |
Value |
| 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 |
Yes |
| Two-State Input |
Yes |
| 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 |
| 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 |
±(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 |
| Signal for binary inputs |
dry contact, open collector or two-state voltage signal. Inputs are not galvanically isolated. |
| Minimum pulse length at binary input |
500 ms |
| Voltage at open contact |
3.3 V |
| Low voltage level |
0 to +0.5 V |
| High voltage level |
+3.0 to +30V |
| 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 |
| Communication protocol |
ModBus RTU and Advantech ADAM compatible protocol |
| Communication speed |
110 to 115200 Bd |
| IP protection |
IP54 electronics, IP40 sensors |
| Power |
9-30Vdc, power consumption approximately 1W |
| Length of the probe cable |
1m, 2m or 4m optionally |
| Dimensions |
136 x 159 x 45 mm (W x H x D), probe length 88 mm, probe diameter 18mm |
| Weight |
approximately 500g |
| Warranty |
3 years |