BT-71
IR THERMAL IMAGER CAMERA
OPERATION MANUAL
1. SAFETY RULES
To ensure that the meter is used safely, follow all safety and operating instructions in
this operation manual. If the meter is not used as described in this operation manual,
the safety features of this meter might be impaired.
Do not look directly into the laser beam when the device is in use–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 children.
2. INTERNATIONAL SYMBOLS
3. SPECIFICATIONS
Important information
see manual
Laser device. Avoid towards
anyone’s eyes
Thermal Image Resolution
32 x 32
-20 ~ +350°C (-4 ~ +662°F)
Measurement Range
±2% of reading, or 2°C(4°F) whichever is greater
9Hz
33 x 33 deg
0.95 default – adjustable 0.1 to 1 step .01
Thermal Sensitivity
Accuracy (Tamb=20~26°C)
Frame Rate
Field of View
Emissivity Range
Focus free
Focus
LCD (inch)
2.8
4. THERMOMETER DESCRIPTIONS
5. OPERATION
WARNING
The measurement range is for thermometers only. Users should choose proper probe
types for different kinds of applications. Please make sure the target to be measured
will not exceed the temperature range of the probe to avoid permanent damage to the
thermocouple probe.
Caution: DO NOT use the AC power adapter over output 5V 2A to avoid the product
damaged and failed to activate.
EMC/RFI: Readings may be affected if the unit is operated within radiofrequency
electromagnetic field strength of approximately 3 volts per meter, but the instrument's
performance will not be permanently affected.
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2)
3)
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Visual Image Resolution
640 x 480
0.1°C(0.1°F)
LCD Type
Color
Image Storage
Depends on the capacity of the Micro SD card. (ex: stores
up to 100,000 images, PNG format, for 16G Micro SD card)
Memory Type
Support Micro SD card up to 32G. (Recommend to use the
attached 16G Micro SD card)
Spectral Range
8 ~ 14um
Interface
USB (Data Transfer), SD Card
Battery Type
3.7V Li-ion rechargeable battery
Battery Life (with backlit)
3 hours continuous use (Li-ion rechargeable battery, with
backlight)
Dimensions
96 x 74 x 234 mm (3.8 x 2.9 x 9.2 inch)
Weight
345 g (12.17 oz) including the battery
(Fusion Mode)
IP Classification
IP54
5.2 Function Selection
Press Menu Key (6) to display functions, then press Color Palette Key (3) or
Mode Key (4) to select the function. Under the function mode, press Unit Key
(5) for setting and then press Trigger (11) to confirm it.
Cursor Measurement
The cursor shows the temperature of the object
located in the middle of the screen.
3-level brightness
LOW
Fusion images by 3-level ratio of combining thermal and
visual images.
View image: After selecting the image folder, press Trigger
(11) to view images stored on the micro SD card.
Hide the cursor measurement.
Brightness
Medium
High
( is the default mode)
Fusion Ratio
Delete image: After selecting the image folder or image
file, press and hold Trigger (11) and TIPS "Do you want
to delete it?" appears on the LCD. If you do not want
to delete the file, select "NO" and press Trigger (11) to
confirm it; if you want to delete the file, press Unit Key
(5) to select "YES", then press Trigger (11) to confirm the
deletion.
Note:
If you want to manage images on the computer,
please use the USB cable to connect the device and the
computer.
File Management
5.1 Operation Selection
Press “Power key” (2) for 2 seconds and then release it, the startup
process will complete in 15 seconds.
Power On
Press Mode Key (4) to switch the display mode. (Fusion-Thermal-Visual)
Note:
Fusion is the default mode.
After power on, simply aim the thermal imager camera at the measure
target with Lens (10) and get the images and temperature immediately.
Please make sure the target area is within the field of view.
Note:
There is a cursor on the screen. The cursor shows the temperature
of the object located in the middle of the screen.
Display Mode
Save images
Taking
images and
temperature
Color palettes
°C/°F switch
Power off
Press Color Palette Key (3) to select the color palette (4 selectable color
palettes) to view thermal images.
Press Unit Key (5) to convert temperature unit.
Press Power Key (2) for more than 3 sec. to power off the device. Auto
power off time is around 1 minute. (Please see the “5.3 Setting” section to
learn how to adjust the auto off time.)
Press Trigger (11) to save the images to the micro SD card.
Note:
When " " icon appears on the LCD, please check if there is
a micro SD card or it is not properly installed in the micro SD card slot (7).
Ironbow
Rainbow
High contrast
Grayscale
5.3 Setting Selection
Set Date and Time
The default emissivity is 0.95, or select other default
emissivity:
Blackbody:1.0, Matt:0.95, Semi-
matt:0.8, Semi-glossy:0.6, Glossy:0.3
Select
Set
E value
to adjust the emissivity (0.1 to 1 step .01).
Emissivity
When the reading is outside the
High Alarm (HAL)
or
Lo Alarm (LAL)
limit, the reading (HAL: red
texts, LAL:blue texts) shown at the top left corner
of screen will flash with two short beep sound
constantly. Select
HAL Temp
or
LAL Temp
to adjust
the limits or select ON/OFF to turn on/off the alert.(
step 1)
Select
Photo
: Save fusion/thermal/visual images in
photo mode. (PNG and Excel formats)
Select
Video
: Save fusion/thermal/visual images in
video mode.
The default setting is “Auto off 1 min”, you can
select other default value: 5, 10, 20 minutes or “No
auto off”.
Manually power off the device by pressing Power
Key (2) for 3 seconds.
The maximum distance is between the thermal
imager camera and the target.
English/French/German/Dutch/Portuguese/Italian/
Spanish/Traditional Chinese/Simplified Chinese/
Japanese
Set the date and time in
MM/DD/YYYY
(month/day/
year) and
HH/MM/SS
(hour/minute/second) formats.
HAL Temp
Save Mode
Auto Off
Target Distance
Languages
LAL Temp
Setting
Note: If using SDHC memory card other than supplied, recommend do test before use.
Typical full battery charging time 8hr. Do not charge overnight / without personnel
surveillant. Recommend charging 12hr for first time use.
