Model Number	TEMPer232
Brand Name	PCsensor

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 convenience 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.Function & Feature

l  Range of measuring: TEMPer -40~+120 C; -40~+248F;

l  Resolution rate: 0.06C

l  Precision: + 2C;

l  Electricity:< 10 mA;

l  Signal indication: Red light when working and recharging battery

l  Recharging method: PC or AC transfer USB port adapter

l  Support Windows NT,XP, VIST;

l  Memory requirement: 20M

l  Data auto save to be txt or csv format, can be open by excel;

l  Send mails function

l  Graph transfer function

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

            Else
                XDtemp = (Xtemp / 4) * 0.03125

         End If

3.  Installing instruction

Software installing instruction: please go to our website to download the process

a)       Install the USB driver

b)      Install dotnetfx.exe, if your computer system is Vista, may be you don’t need to install this process. Dotnetfx.exe is framework 2.0 of Microsoft, you can download it from the website of Microsoft;

c)       Decompress TEMPer232.rar to you computer, and running TEMPer232\TEMPer232.exe.