Line Seiki TC-250 User manual

Thank you for purchasing our Digital Thermometer.
Please read this instruction manual carefully before
using to ensure the correct usage of this device.
Please keep this instruction manual for future
reference.
DIGITAL THERMOMETER MANUAL TC-250
TC-250
Type K
WARNING
Customer Service
LINE SEIKI CO., LTD.
37-7 Chuo-cho, 2-Chome
Meguro-ku, Tokyo 152-0001 Japan
Tel: [phone] Fax: [phone]
[email protected]
http://www.lineseiki.com
Address:
Contact :
E-mail :
Web :
Misuse of this device may lead to injury to the
user or damage to the device.
Safety Precautions
Operation
· Do not use this device near machines that emits strong
electromagnetic field or object that store static electricity.
· Do not drop or subject this instrument into strong impact.
· Do not attempt to disassemble or modify this instrument.
· To ensure stable measurement, do not apply rapid
temperature change to the instrument.
· Do not immerse the instrument in water. If it is immersed in
water accidentally, immediately pull it out and then check and
ensure that there is no water penetration.
Thermocouple Probe
· Do not drop the probe or strike into hard surface.
· Do not bend the probe connector by applying strong force
from the upper and lower side.
· Do not measure beyond temperature limits of the
thermocouple probe being used.
· Do not use the thermocouple probe in places where electric
shock is
is suspected.
· Avoid using the thermocouple probe in measuring materials
which can cause corrosion.
· Take a long time when measuring non-metallic surface
temperatures due to poor thermal conductivity.
· When measuring surface temperature, make sure that the
thermocouple probe is in contact with the surface
perpendicularly for accurate measurement.
For safe usage of this device, please observe all statements regarding
precautions and warnings in this instruction manual.
ATTENTION
Burn Out
ON / OFF Key
Key Operation
HOLD Key
HOLD
ON
OFF
· Pressing this key will turn ON and OFF the instrument
· Since this instrument has the Auto-Power Off function,
the power automatically turns OFF in approximately 10
minutes after the last key pressed.
· In any case, it is advisable to manually turning OFF the
power after each measurement
I. Panel System
Input connector
Low Battery indicator
Data polarity indicator
Data Display
Hold key
Power-ON/OFF key
Hold status indicator
Unit display
Thermocouple type indicator
HOLD
ON
OFF
AUTO POWER OFF
TC-250
Auto-Power Off indicator
Display
· To hold the measured value temporarily, press this key
once
· Press again to unhold the measured value and returns
the instrument to the measuring state.
· When the probe is not properly connected to the
instrument, or the probe itself is broken, the unit will be
in Burn Out state and Burn Out display is shown.
· If the instrument is in Burn Out state, just connect the
probe and turn the Power Off then On to return the
instrument to normal operation.
· If the battery voltage decreases below the rated to the
value, Low Battery indicator will appear.
· If this indicator is shown, Auto Power Off is enabled
otherwise it is disabled.
· If measured value is put on hold ,this indicator is
displayed.
INSTRUCTION MANUAL
LINE SEIKI
( ---- )

V. General Specifications
II. Operation Procedure
III. Battery Replacement
DIGITAL THERMOMETER MANUAL TC-250
If the " " indicator is displayed, it indicates a Low Battery condition and
the battery needs to be replaced. Please follow carefully the procedure
below for replacing battery.
IV. Storage and Cleaning
1. Unscrew Screw , and then open the unit by pulling the Lower-Cover
in arrow direction.
2. Remove the battery on the printed circuit board.
3. Replace the battery with new one. Make sure the battery is properly
connected to the terminals.
4. Place back the Lower-Cover by inserting its front end first on arrow
direction and then push it closely to the Upper-Cover until it snaps.
5. Make sure the rubber gasket is properly located when the unit is closed.
6. Lock the unit with the Screw .
· Use only suitable battery written on the specification.
· Do not dispose battery on household waste, fire or water.
· Remove the battery when the device will not be used for long period of
time.
· The instrument cannot measure accurately after low battery indicator is
displayed. Please replace the battery immediately.
1.) Connect the probe to the instrument through the Input Connector
· Probe can be checked if properly connected with the Burn Out feature
of this instrument.
2.) Turn the power ON.
· Upon turning ON the instrument, all the display and indicators will light
up for several seconds. This is to check if all segments of the display
are working properly. Afterwards, it will shift to its normal operating
mode with the following default items and features.
  > Set at measuring mode.
  > Thermocouple type indicator is displayed.
  > Auto-Power Off indicator is displayed.
  > Other indicators are not displayed.
· Auto-Power Off function is automatically enabled upon turning ON the
instrument . To disable Auto -Power Off, turn ON the device while
pressing the HOLD key
· If the burnout display (----) is shown, the probe is not inserted properly.
In this case, check the probe side.
3.) Attach the sensor part of the thermocouple probe to the object you want
to measure.
· Wait until the measured value becomes stable.
4.) Turn OFF the instrument after using.
· After every use, always turn OFF the instrument.
Approx. 1.2 sec.
Digital Linearize
Auto-Power Off, Data Hold,
Thermocouple Type
Burn-out
Low Battery
Auto-Power Off
Data Hold
0 - 50°C
0 - 90%RH at 0 - 35°C
006P (9V) Battery
Approx. 500 Hours
Approx. 166(H) x 68(W) x 35(D)mm
Approx. 200g
Thermocouple Connector
MODEL
NO. OF INPUT
SENSOR TYPE
MEASURING
RANGE
SAMPLING TIME
TEMPERATURE
COEFFICIENT
LINEARIZE
METHOD
DISPLAY
SENSOR
CONNECTOR
FUNCTIONS
POWER SUPPLY
BATTERY LIFE
OPERATING
TEMP./HUMIDITY
SIZE / WEIGHT
TC-250
1
Thermocouple Probe Type K
-160°C - +1,372°C
RESOLUTION
ACCURACY
(at 25°C ±5°C)
0 - 199.9°C: ±0.1% of reading + 0.7°C
-0.1°C or less: ±0.2% of reading + 1°C
200°C above:±0.2% of reading + 1°C
±0.015% of reading + 0.06°C/ °C
Main Unit
· Storage Temperature: -10 - +50°C (14 - +122°F)
· Storage Humidity: Less than 85% RH.
· When storing the instrument, avoid the following locations where:
1. Humidity is high.
2. The instrument is exposed to direct sunlight.
3. The instrument is exposed to a extreme temperature.
4. Large vibration exist.
5. Dust, salt, and/or corrosive gas exist.
· Keep the instrument clean at all times.
· Wipe off stains using a moist and soft cloth. Do not use any cleaning
agents or solvents.
VI. Accessories (Sold Separately)
- Carrying Case (HM-818)
- Thermocouple Probes (See catalog for probes)
1
Upper-Cover
Lower-Cover
Screw
1
2
3
----
CE and RoHS
COMPLIANCE
2
A
B
A
2B
3
1
°C Unit Measurement
This manual was last revised October 4, 2011. 4TC013E
*Subject to change without prior notice.
All Rights Reserved,Copyright © 2011,LINE SEIKI CO.,LTD.
199.9°C and below: 0.1°C
200°C and above: 1°C