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RS-232
305
Datalogger
SETUP
REL
HOLD
CLOCK
INTV
REC
° C/ ° F
RANGE
-200 ° C
1370 ° C
-328 ° F
2498 ° F
POWER-UP OPTIONS
REC

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Summary of Contents for Center 305

  • Page 1 RS-232 Datalogger SETUP HOLD CLOCK INTV ° C/ ° F RANGE -200 ° C 1370 ° C -328 ° F 2498 ° F POWER-UP OPTIONS...
  • Page 2: Table Of Contents

    CONTENTS TITLE PAGE I. Introduction …………………………………………………………………………….…..1 II. Specifications …………………………………………………………………………… 1 III. Symbol Definition and Button Location ………………………………. 2 IV. Operation Instructions …………………………………………….……………… 3 4.1 Power-Up…………………………………………………………………………………..3 4.2 Connection the Thermocouples………………………………………………………...3 4.3 Selecting the Temperature Scale………………………………………………………. 3 4.4 Data-Hold Operation……………………………………………………………………… 3 4.5 DataLogger………………………………………………………………………………… 3 4.6 Clock Setup ………………………………………………………………………………..
  • Page 3: Introduction

    Data Logger Instruction Manual I. Introduction: This instrument is a digital thermometer for use with any K-type thermocouple as temperature sensor. Temperature indication follows National Bureau Standards IEC584 temperature/voltage table for K-type thermocouples. Its internal memory can keep up to 16241 records.(note1.) It uses RS232 interface to perform bi-directional communication with PC.
  • Page 4: Symbol Definition And Button Location

    Data Logger Instruction Manual III. Symbol Definition and Button Location: : This indicates that the minus temperature is sensed. ℃℉ : Centigrade and Fahrenheit indication. △REL : The reading is now under Relative Mode. : Thermocouple Type Indication MAX : The Maximum value is now being displayed : The Minimum value is now being displayed : This indicates auto power off is enabled.
  • Page 5: Operation Instructions

    Data Logger Instruction Manual IV. Operation Instructions: 4.1 Power-Up Press the power button to turn the thermometer ON or OFF. When the user power it on, the LCD will show how much memory space is available to use. For example: It indicates that there are 16,000 records memory space available. 4.2 Connection the Thermocouples For measurement, plug the thermocouple into the input connectors.
  • Page 6: Recording Interval Setup

    Data Logger Instruction Manual 4.7 Recording Interval Setup : 1: press and hold “MAX MIN” button and then power on the meter: 2: press “HOLD"(INTV) 3: press "REC" ▲ or "°C/°F" ▼ to increase or decrease number, press “HOLD" (INTV) to adjust next item, then press “HOLD” (INTV) to finish.
  • Page 7: Digital Output

    Data Logger Instruction Manual 4.13 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: RS232 command Function Remarks...
  • Page 8 Data Logger Instruction Manual bit3: no use. bit4: 1→REL bit5: 1→ HOLD, 0→not HOLD bit6: 1→LOW BATTERY , 0→BATTERY NORMAL bit7: 1→°C 0→°F BYTE: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 Auto Power Off Memory full resolution sign bit0: 1→main window value is OL, 0→not OL bit1: 1→main window value is minus, 0→main window value is plus.
  • Page 9: Setup Thermolog (Thermo Datalogger)-Rs232 Interface Software

    Data Logger Instruction Manual V. Setup ThermoLog (Thermo DataLogger) — RS232 interface software: The ThermoLog package contains: 1.Two 3.5” diskettes 2.Custom designed RS232 cable for THERMOLOG. System Required: Windows 95 or Windows 98 or Windows NT 4.0 above. Minimum Hardware Required: 486-100 MHz PC compatible , 16 MB RAM ;...
  • Page 10 Data Logger Instruction Manual Control Panel: By opening the Control Panel Window, the user can control thermometer via the button in this window. DataLogger: By opening the DataLogger Window, the user can load the recorded data from themometer. Tabular: By opening the Tabular window, the present data from the thermometer will be listed in a scrolling table.
  • Page 11 CENTER TECHNOLOGY CORP. 4 / F NO. 415, Jung-Jeng Rd., 238 Shu-Lin Chien, Taipei, Taiwan E-Mail : center@centertek.com http : / / www.centertek.com 305-00...

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