Perfect Prime TC0301 User manual

Datalogger Thermometer
TC0301
Instruction Manual

CONTENTS
P. 1
1. Introduction
2. Specifications
3. Symbol Definition and Button
3.1 Location
4. Operation Instructions
4.1 Power-Up
4.2 Connecting the Thermocouples
4.3 Selecting the Temperature Scale
4.4 Data-Hold Operation
4.5 T1,T2,T1-T2 Display Control
4.6 Relative Operation
4.7 MAX/MIN/AVG Operation
4.8 Auto Power O
4.9 Low Battery Condition
4.10 Calibration Point
4.11 Digital Output
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........................................................................ 7 - 13
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1. INTRODUCTION/
2. SPECIFICATIONS
P. 2
This instrument is a digital thermometer for use with any K-type thermo-
couple as temperature sensor. Temperature indication follows National
Bureau of Standards and IEC584 temperature/voltage table for K-type
thermocouples.
NUMERICAL DISPLAY:
4 digital liquid crystal display
MEASUREMENT RANGE:
-200°C ~ 1370°C -328°F ~ 2498°F
RESOLUTION:
-200°C~ 200°C 0.1°C; 800°C ~1370°C 1°C
-200°F~ 200°F 0.1°F; else 1°F
MAXIMUM VOLTAGE AT THERMOCOUPLE INPUT:
60V DC, or 24Vrms AC
ENVIRONMENTAL:
• Operating Temperature and Humidity: 0°C ~50°C (32°F ~ 122°F);
0 ~ 80% RH
• Storage Temperature and Humidity: -10°C to 60°C (14°F ~ 140°F);
0 ~ 80% RH
• Altitude up to 2000 meters.
SPECIFICATIONS
INTRODUCTION

2. SPECIFICATIONS
P. 3
Range
-200°C ~ 200°C
200°C ~ 400°C
400°C~1370°C
-328°F ~ -400°F
-200°F ~ 200°F
200°F ~ 400°F
400°F ~ 2498°F
Accuracy
±(0.3% reading + 1°C)
±(0.5% reading + 1°C)
±(0.3% reading + 1°C)
±(0.5% reading + 2°F)
±(0.3% reading + 2°F)
±(0.5% reading + 2°F)
±(0.3% reading + 2°F)
ACCURACY: AT  23 ± 5°C 
For T1-T2 Measurement, the accuracy is
±( 0.5% T1-T2 reading + 2°C) or ±( 0.5% T1-T2 reading + 2°F)
TEMPERATURE COEFFICIENT:
For ambient temperatures from 0°C ~ 18°C and 28°C ~ 50°C, for each
°C ambient below 18°C or above 28°C add the following tolerance
into the accuracy spec.
0.01% of reading + 0.03°C ( 0.01% of reading + 0.06°F )
NOTE:
The basic accuracy Specication does not include the error of the
probe please refer to the probe accuracy specication for additional
details.
SAMPLE RATE:
0.6 times per second

DIMENSION:
184×64×30mm
WEIGHT:
210g Approx.(7.4oz)
ACCESSORY:
K Type Bead Probe, Battery, Carrying Case, Instruction Menu.
OPTION:
Soft Ware Package ( Program, RS232 Connection Cable) , AC Adapter.
POWER REQUIREMENT:
9 Volt Battery, NEDA 1604 or JIS 006P or IEC6F22
BATTERY LIFE:
Approx. 100hrs with alkaline battery
AC ADAPTER:
9VDC ±15% 100mA ; Plug Diameter: 3.5×1.35mm
P. 4
2. SPECIFICATIONS

: This indicates that the minus temperature is sensed.
: Centigrade and Fahrenheit indication.
: Thermocouple Type Indication
: This indicates that the display data is being hold.
: The Maximum value is now being displayed.
: The Minimum value is now being displayed.
: The Average value is now being displayed.
: The reading is now under Relative Mode.
: The Battery is not sucient for proper operation.
-
°C °F
K
HOLD
MAX
MIN
AVG
REL
3. SYMBOL DEFINITION AND BUTTON
LOCATION
P. 5
Main Display Second Display

3. SYMBOL DEFINITION AND BUTTON
LOCATION
P. 6
T1 K type temperature
sensor connector
T2 K type temperature
sensor connector
LCD display
ON/OFF button
HOLD button
T1,T2,T1-T2 control button
Relative readout button
MAX MIN Average control
button
°C, °F control button
Oset calibration screw
11 Digital output connector
AC power adapter connector
Tripod connector
Battery cabinet cover
2
3
4
5
6
7
1
9
10
11
12
13
14
8

4.1 POWERUP
Press the key to turn the thermometer On or OFF.
4.2 CONNECTING THE THERMOCOUPLES
For measurement, plug the thermocouple into the input connectors.
4.3 SELECTING THE TEMPERATURE SCALE
When the meter was rst powered on, the default scale setting is set
at Celsius (°C) scale. The user may change it to Fahrenheit (°F) by
pressing “ °C/°F ” button and vice versa to Celsius.
4.4 DATAHOLD OPERATION
The user may hold the present reading and keep it on the display by
pressing the“HOLD”button. When the held data is no longer needed,
one may release the data-hold operation by pressing “HOLD” button
again. When the meter is under Data Hold operation, the “▲REL”
, and “ °C/°F ” button are disabled.
4.5 T1,T2,T1T2 DISPLAY CONTROL
One may select T1,T2 or T1-T2 to show on the main display by
pressing button. When T1 or T2 is select to show on the main
display, the other temperature will be shown on the second display.
When one select T1-T2 to show on the main display, T1 and T2 will be
shown on the second display alternately.
4.6 RELATIVE OPERATION FOR MAIN DISPLAY
When one press the “▲REL” button, the meter will memorize the
present reading and the dierence between the new reading and
the memorized data will be shown on the display. Press the “▲REL”
button again to exit the Relative operation.
4. OPERATION INSTRUCTIONS
P. 7

4.7 MAX/MIN/AVG OPERATION FOR MAIN DISPLAY
When one presses the button the meter will enter the
MAX/MIN mode. Under this mode the maximum value, minimum
value and average value of latest 8 data is kept in the memory
simultaneously and updated with every new data.
When the MAX symbol is display, the Maximum is shown on the
display.
Press again, then the MIN symbol is on the display and also the
minimum reading.
Press again, the AVG symbol is on the display and also the
average reading.
Press again, MAX, MIN and AVG will blink together. This means
that all these data is updated in the memory and the reading is the
present temperature.
One may press to circulate the display mode among these
options.
When the meter is under operation, “▲REL” and “ °C/°F ” are
disabled.
To exit the MAX/MIN mode, one may press and hold for two
seconds.
4.8 AUTO POWER OFF
By default, when the meter is powered on, it is under auto power o
mode. The meter will power itself o after 30 minutes if no key
operation or RS232 communication. Key combination at power on
or RS232 communication can disable auto power o. One may press
and hold “HOLD” button and then power on the meter and there will
be two successive beeps to indicate that auto power o is disabled.
4. OPERATION INSTRUCTIONS
P. 8

4.9 LOW BATTERY CONDITION
When the battery voltage is under proper operation requirement,
the symbol will show on the LCD and the battery need to be
replaced with new one.
4.10 CALIBRATION POINT
Room Temperature 23 ± 3°C
Normally, performing oset Calibration with thermal stabled ice
water through VR1 will give a very good calibration result.
4.11 DIGITAL OUTPUT
The Digital Output is a 9600bps N 81 serial interface.
The RX is a 5V normal high input port.
The TX is a 5V normal high output port.
The command of Digital Output is list below.
input
0 °C
190 °C
1000 °C
1900 °F
Adjust VR
VR1
VR2
VR3
VR4
Tolerance
± 0.1 °C
± 0.1 °C
± 1 °C
± 1 °F
TX
RX
GND
4. OPERATION INSTRUCTIONS
P. 9

• COMMAND K
Return 4 bytes. For example, when sends command "K" to meter, it will
return "3","0","1", ASCII(13) .
• COMMAND D
Return data of main window.
Range: T1, T2, T1-T2 (7bytes), the unused characters is left as space
ASC(13).
4. OPERATION INSTRUCTIONS
P.10
RS232 command
K(ASC 4BH)
D(ASC 44H)
B(ASC 42H)
S(ASH 53H)
H(ASC 48H)
T(ASC 54H)
M(ASC 4DH)
N(ASC 4EH)
R(ASC 52H)
C(ASC 43H)
A(ASC 41H)
Function
Ask for model No.
Ask for main display
Range, Data, Unit
Ask for secondary
display Range, Data,
Unit
Ask Status
Hold button
TIMER button
AVG/MAX/MIN button
Exit AVG/MAX/MIN
mode
REL button
C/F button
Inquire all encoded
data
Remarks
Send 4 bytes
Send 22 bytes
Send 22 bytes
Send 13 bytes
Send encoded 8
byte

Data: ±9999.9,-OL,OL ( 7bytes include polarity and decimal point),
Unit: C,F(5bytes)
When the meter receive the D command, it will send :
Range□Data□Unit.
( where □represent space (ASC(20H) )
For example:
T1□□□□□□-199.9□□C□□□□
(0x13) represent T1,- 199.9°C, The total byte number should be
7+1+7+1+5+chr(13)=22Bytes
• COMMAND B
Return the operation mode HOLD□MAX□REL, if the mode is not
entered, the related characters will be left as space.
For example:
when the meter is under MAX display, the meter will return: □□□□□
MAX□□□□
• COMMAND T
Equivalent to one pushing on the HOLD button.
• COMMAND M
Equivalent to one pushing on the HOLD AVG/MAX/MIN button and no
message is returned.
• COMMAND R
Equivalent to one pushing on the REL button and no message is
returned.
• COMMAND C
Equivalent to one pushing on the C/F button and no message is
returned.
P.11
4. OPERATION INSTRUCTIONS

• COMMAND A
1nd BYTE:
The rst byte is the start byte , it value is 2.
2nd BYTE:
bit 2 bit 1 bit0
0 0 0 → normal mode
0 0 1 → MAXIMUM mode
0 1 0 → MINIMUM mode
1 0 0 → AVG mode
1 1 1 → calculate MAX/MIN/AVG in back-ground and lcd
"MAX""AVG""MIN" will ash
bit3:1→0→K TYPE 1→J TYPE
bit4:1→REL
bit5:1- HOLD 0→not HOLD
bit6:1→LOW BATTERY 0→BATTERY NORMAL
bit7:1→C 0→F
3nd BYTE:
bit0:1→main window value is OL 0→not OL
bit1:1→main window value is minus, 0→main window value is plus.
bit2:1→4th byte and 5th byte represent #### 0→4th byte and 5th
byte represent ###.#
bit3:1→sub window value is OL 0→not OL
bit4:1→sub window value is minus, 0→sub window value is plus.
bit5:1→6th byte and 7th byte represent #### 0→6th byte and 7th
byte represent ###.#
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
C/F Low Bat Hold REL K/J MAX/AVG/MIN
bit7 bit6 bit5 bit4 bit3
Point Minus OL
bit2 bit1 bit0
Point Minus OL
4. OPERATION INSTRUCTIONS
P.12

4. OPERATION INSTRUCTIONS
P.13
bit7 bit6:
00→Main window is T1-T2,sub window is T1
01→Main window is T1-T2, sub window is T2
10→Main window is T1, sub window is T2
11→Main window is T2, sub window is T1
4th BYTE:
rst two BCD code of main window value.
5th BYTE:
last two BCD code of main window value
6th BYTE:
rst two BCD code of sub window value.
7th BYTE:
last two BCD code of sub window value.
8th BYTE:
The last byte is the end byte , it value is 3, rst and last byte are used to
check frame error.

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