TN425LC/ TN425LCE Thermometer Operating Instructions

TN425LC/ TN425LCE Thermometer Operating Instructions (with white LED Flashlight)
For Model with thermocouple socket
The thermometer is a non-contact infrared thermometer. There are many mathematical modes for the Infrared function. Please
remember to keep away from children and don’t use it for safety related applications.
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CAUTION
WHEN DEVICE IS IN USE, DO NOT LOOK DIRECTLY INTO THE TWO LASER BEAMS–PERMANENT EYE DAMAGE MAY RESULT.
USE EXTREME CAUTION WHEN OPERATING THE LASER.
NEVER POINT THE DEVICE TOWARDS ANYONE’S EYES.
KEEP OUT OF REACH OF ALL CHILDREN.
STORAGE & CLEANING
It should be stored at room temperature. The sensor lens is the most delicate part of the thermometer. The lens should be kept clean at all times,
care should be taken when cleaning the lens using only a soft cloth or cotton swab with water or medical alcohol. Allowing the lens to fully dry
before using the thermometer. Do not submerge any part of the thermometer.
LCD ERROR MESSAGES
The thermometer incorporates visual diagnostic messages as follows:
‘Hi’ or ’Lo’ is displayed when the temperature being measured is outside of the settings of HAL and LAL.
‘Er2’ is displayed when the thermometer is exposed to rapid changes in the ambient temperature. ‘Er3’
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is displayed when the ambient temperature exceeds 0 C (32°F) or +50 C (122°F). The thermometer
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should be allowed plenty of time (minimum 30 minutes) to stabilize to the working/room temperature.
Error 5~9, for all other error messages it is necessary to reset the thermometer. To reset it, wait for auto power
off, remove the battery and wait for a minimum of one minute, reinsert the battery and turn on. If the error
message remains please contact the Service Department for further assistance.
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(Default Screen)
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8 ) and press Meas. key ( ○
6 ) to
Simply aim the thermometer at the measure target with Lens ( ○
display the surface temperature. The Distance:Spot is 50:1. The two laser points are the reference for the target spot
size. Please make sure the target area is within the field of view.
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1 ) for setting the emissivity
Press Emissivity key (○
1 ), then press Up key (○
4 ) or Down key (○
2 ) to set the emissivity, then press Mode key
Press Emissivity key (○
5 ) to confirm it. The emissivity can be changed from 0.10 (10E) to 1 (100E).
(○
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5 ) for the Maximum (MAX), Minimum (MIN), Different between MAX and MIN (DIF) and
Press Mode key (○
Average (AVG) modes. During the measurement, the special modes reading will be displayed beside the
mode icon.
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4 ) or Down key (○
2 ) to change the High Alarm (HAL) or Lo Alarm (LAL), then press Meas. key
Press Up key (○
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6 ) to confirm it. For example: When the reading 26.9 C < LAL 27 C, the Low icon will flash and you will hear a
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beep sound.
11 ) and put the probe in/on the target, the thermometer will
Connect the thermocouple with Thermocouple socket (○
display the temperature automatically without pressing any button. To see the minimum or maximum data during
4 ) or Down key (○
2 ).
the probe measurement, please hold down the Up key (○
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After measure high temp, the probe may remain HOT for a while.
** The thermometer will automatically shut off if left idle for more than 60sec, unless in PRB mode. (In PRB mode, it will shut off if
left idle for more than 12 minutes.)
ADD VALUE
4 ) for LOCK mode ON/OFF.
Press Up key (○
In MAX, MIN, DIF, AVG monitoring of temperatures for up to 60 minutes.
mode:
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2 ) for C or F transferred.
Press Down key (○
The lock mode is particularly useful for continuous
SPECIFICATION
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‘Battery Exhausted’: measurements are not
possible
Thermocouple Probe Scan function
(K type; probe not included.)
-64 to +1400°C (-83.2 to +2552°F)
Item
Non-contact Infrared Scan function
Measurement Range
-60 to +1000 C (-76 to +1832 F)
Operating Range
Accuracy
(Tobj=15~35°C, Tamb=25°C)
Accuracy
(Tobj=-33~1000°C, Tamb=23±3°C)
Emissivity Range
0 to +50°C (32 to +122°F)
Resolution
0.1°C/0.1°F at -83.2 to 999.9(°C/°F), otherwise 1°C/1°F
Response Time (90%)
1sec
Distance:Spot
50:1
Battery Life
Typ.180, min 140 hours continuous use (Alkaline, without Laser and Back Light.)
Dimensions
47.0 x 197.0 x 203.3mm(1.8×7.7×8.0 inch)
Weight
386.1 grams(13.62 oz) including batteries (AAA*2pcs)
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±1.0°C (1.8°F)
±2% of reading or 2°C (4°F) whichever is greater
+/-1% of reading or 1°C (1.8°F) whichever is
greater (Test under Tamb=23±6°C)
0.95 default – adjustable 0.1 to 1 step .01
Note: Under an electromagnetic field of 3V/m from 90 to 360 MHz the maximum error is +/-10°C
EMC/RFI: Readings may be affected if the unit is operated within radio frequency electromagnetic field strength of approximately 3 volts per
meter, but the performance of the instrument will not be permanently affected.
4 ) for backlight function ON/OFF.
and press Up key (○
In all modes: First
hold on the Meas. key
2 ) for laser function ON/OFF.
and press Down key (○
6 )
(○
(With flash light be turned on in the same time as laser )
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‘Battery Low’: battery needs to be
replaced, measurements are still possible
When the ‘Low Battery’ icon indicates the battery is low, the battery should be replaced immediately with AAA, 1.5V batteries. Please note: It
is important to turn the instrument off before replacing the battery otherwise the thermometer may malfunction.
Dispose of used battery promptly and keep away from children.
Here will show the emissivity data. (The default emissivity is 0.95.)
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‘Hi’ or ’Lo’ is displayed when the temperature being measured is outside of the measurement range.
‘Battery OK’: measurements
are possible
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5 ) for scrolling more display function as follows.
Press Mode key (○
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BATTERIES
The thermometer incorporates visual low battery indication as follows:
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FUNCTION
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Ref.No.:062014
A new way to measure temperature
19T
Radiant Innovation Inc. Http://www.ZyTemp.com
1F, No.3, Industrial East 9th Road, Science-Based Industrial Park, HsinChu, Taiwan 300.
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