| Comet H7531 Specifications |
| Technical parameters |
Value |
| Output |
Ethernet |
| 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 |
| 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 |
| Maximum measuring pressure range |
600 to 1100hPa |
| Accuracy |
±1.3hPa at 23°C |
| Resolution |
0.1°C, 0.1%RH, 0.1hPa |
| Measuring interval |
2s |
| Available temperature units |
degrees Celsius, degrees Fahrenheit |
| Computed value |
dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy |
| Available pressure units |
hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in2 |
| Accuracy and range of dew point temperature output - for more details see graphs in manual |
±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 400g/m3 |
| Accuracy and range of specific humidity Output |
±2g/kg at ambient temperature T < 35°C range 0 to 550g/kg |
| Accuracy and range of mixing ratio outputs |
±2g/kg at ambient temperature T < 35°C range 0 to 995g/kg |
| Accuracy and range of specific enthalpy output |
±3kJ/kg at ambient temperature T < 25°C range: 0 to 995 kJ/kg |
| Temperature compensation of the humidity sensor |
all temperature range |
| Temperature operating range |
-30 to +80°C |
| IP protection |
IP40 |
| Number of relay outputs |
2 |
| Maximum switching voltage, current and power of relay output |
50V, 2A, 60VA |
| Number of binary inputs |
3 |
| Signal for binary inputs |
dry contact, open collector or two-state voltage signal. Inputs are not galvanically isolated. |
| Minimum pulse length at binary Input |
500ms |
| Low voltage level |
0 to +0.5V |
| High voltage level |
+3.0 to +30V |
| Audible alarm |
built-in beeper - switchable |
| LAN connection |
RJ-45 connector, 10Base-T or 100Base-TX |
| Communication protocols |
WWW, ModbusTCP, SNMPv1, SOAP |
| Alarm protocols |
E-mail (SMTP authentication is supported), SNMP Trap, Syslog |
| Configuration |
T-Sensor, Telnet, keyboard |
| Temperature operating range of LCD display |
readable to operating temperature +70°C, it is recommended to switch OFF the LCD over +70°C |
| Filtering ability of sensor cover |
0.025mm - filter with stainless steel mesh |
| Power |
9 to 30Vdc, maximum consumption 1W |
| Power connector |
co-axial, diameter 5.5 x 2.1mm |
| Length of the probe cable |
1m, 2m or 4m optionally |
| Dimensions |
136 x 159 x 45mm (W x H x D), probe length 88mm, probe diameter 18mm |
| Weight |
approximately 410g - 1m probe |
| Warranty |
3 years |