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Note
Note
Graf
Heartbeat period
0 - 127 [x min]
Heartbeat message period
128 - 255 [(x - 127) h]
Measurement period
1 - 255 [s]
Measurement period for temperature
Threshold diff erence
0 - 100 [10 * °C]
Threshold diff erence for temperature
Threshold 1H 1L
-400 - 1200 [10 * °C]
Threshold level 1 for temperature
Threshold 2H 2L
-400 - 1200 [10 * °C]
Threshold level 2 for temperature
Name
Unit
Example
Temperature
[0 – 1]
[10*] °C
Temperature[0] = 0x01
Temperature[1] = 0x04
Temperature = 0x0104 = 260 =
26.0°C
Name
Unit
Example
Temperature
[0 – 1]
[10*] °C
Temperature[0] = 0x01
Temperature[1] = 0x04
Temperature = 0x0104 = 260 =
26.0°C
Humidity [0 – 1]
[10*] %
Humidity[0] = 0x02
Humidity[1] = 0x5D
Humidity = 0x025D = 605 = 60.5%
Function
Port
0
1
2
3
4
5
6
7
HTM2500LF
5
0x09
Heartbeat period
Measurement
period
Threshold
Temperature
diff erence
Threshold
Humidity 1
Threshold
Humidity 2
Threshold
Temperature 1
Threshold
Temperature 2
Heartbeat period
0 - 127 [x min]
Heartbeat message period
128 - 255 [(x - 127) h]
Measurement period
1 - 255 [s]
Measurement period for temperature /
humidity
Threshold Temperature
diff erence
0 - 50 [°C]
Threshold diff erence for temperature /
humidity
Threshold Humidity 1
0 - 100 [%]
Threshold level 1 for humidity
Threshold Humidity 2
0 - 100 [%]
Threshold level 2 for humidity
Threshold Temperature 1
-40 - 120 [°C]
Threshold level 1 for temperature
Threshold Temperature 2
-40 - 120 [°C]
Threshold level 2 for temperature
Port
Byte
0
1
2
3
4
5
Function
Bit
7
6
5
4
3
2
1
0
HTM2500LF
1
0x09
Reserved for future use
Tamper:
1 - opened
0 - closed
Battery:
1 - low level
0 - OK
Humidity[0]
Humidity[1]
Temperature[0]
Temperature[1]
