Comet H7531R Specifications |
Technical Parameters |
Value |
Output |
Ethernet |
Measured Value |
Temperature + Relative Humidity + Atmospheric Pressure |
Construction Type |
With T+RH Probe on Cable |
Design |
Rack 19" |
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 values |
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 output |
±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 995kJ/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 +0.5 V |
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 |
12Vdc, maximum consumption 1W |
Power connector |
co-axial, diameter 5.5 x 2.1mm |
Length of the probe cable |
1m, 2m or 4m optionally |
Dimensions |
483 x 44 x 45mm (W x H x D), one 19" rack unit 1U |
Weight |
approximately 1090g - 1m probe |
Warranty |
3 years |