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Description
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1. Description
TEMPer232 thermometer is a measurement device using USB port to connect to a computer or other machines. It uses the communication protocol and support the RS232 4800bps standard, and this supplies convinience to the users who want to write programs themselves, especially whom using the non-vs.net to develop the program. It can measure the temperature of the machine and the environment accurately . It must be connect to the computer to start working and recharging the battery. TEMPer can be use in computer room, weather, environment and special environment temperature testing.
2. Packing specification
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Name of the part
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Specification
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Quantity
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TEMPer232
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50*17.5*7.2mm
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1
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Driver CD
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3.5inch
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1
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USB extended cable
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0.8m
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1
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Using instruction card
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-
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1
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3. Function & Feature
The communication protocol of TEMPer232 instruction:
a) When plug the TEMPer232 device into the computer, please distinguish the corresponding serial port number in your computer;
b) Baud rate is 4800;
c) There is 8 digit and no need to verify of odd or even number, the stop bit is 1bit;
d) After open the serial port, do as below:
Sending command: 24, 10, 05, 01, 01, 00, 32, 01, 55.
Then you will see :24, FE, 02, HH, LL, 88
The temperature Xtemp=256*HH+LL
If Xtemp > &H4000 Then
XDtemp = -(&H4000 - (Xtemp / 4)) * 0.03125
XDtemp = -(&H4000 - (Xtemp / 4)) * 0.03125
Else
XDtemp = (Xtemp / 4) * 0.03125
XDtemp = (Xtemp / 4) * 0.03125
End If
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