1. SAFETY RULES
BT-71
IR THERMAL IMAGER CAMERA
OPERATION MANUAL
5. OPERATION
WARNING
1) Caution: DO NOT use the AC power adapter over output 5V 2A to avoid the product
damaged and failed to activate.
2) 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.
• To ensure that the device is used safely, follow the operation manual's safety and
operating instructions. If the device is not used as described in this operation manual,
the safety features of this device might be impaired.
• Keep out of reach of children.
2. INTERNATIONAL SYMBOLS
5.1 Operation Selection
Important information
see manual
3. SPECIFICATIONS
-20 to +350°C (-4 to +662°F)
±2% of reading, or 2°C(4°F) whichever is greater
0.95 default – adjustable 0.1 to 1 step .01
Focus free
Image Storage Depends on the capacity of the Micro SD card. (e.g., 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)
USB (Data Transfer), SD Card
3.7V Li-ion rechargeable battery
Battery Life (Li-ion
3 hrs. continuous with backlight
*Backlight is default set fixed ON
96 x 74 x 234 mm (3.8 x 2.9 x 9.2 inch)
345 g (12.17 oz.), including the battery
Note: If using an SDHC memory card other than supplied, recommend do test before use.
Typical full battery charging time 8hr. Do not charge overnight / without personnel
surveilling. Recommend charging 12hr for first-time use.
4. THERMAL IMAGER CAMERA DESCRIPTIONS
(Fusion Mode)
a. Function Selection
Press Menu Key (6) to display functions, then press Colour 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 object's temperature in
the middle of the screen.
Hide the cursor measurement.
Brightness
3-level brightness
LOW Medium High
Fusion Ratio
Fusion images by a 3-level ratio of combining thermal
and visual images.
( is the default mode)
File Management
View image: After selecting the image folder, press Trigger
(11) to view images stored on the micro SD card.
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.
b. Setting Selection
Power On
Press “Power key” (2) for 2 seconds and then release it, the startup
process will complete in 15 seconds.
Display Mode
Press Mode Key (4) to switch the display mode. (Fusion-Thermal-Visual)
Note: Fusion is the default mode.
Taking
images and
temperature
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.
Save images
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).
Color palettes Press Color Palette Key (3) to select the color palette (4 selectable color
palettes) to view thermal images.
Ironbow Rainbow High contrast Grayscale
°C/°F switch Press Unit Key (5) to convert temperature unit.
Power off
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.)
Setting
Emissivity
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).
HAL Temp
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)
LAL Temp
Save Mode
Select Photo: Save fusion/thermal/visual images in
photo mode. (PNG and Excel formats)
Select Video: Save fusion/thermal/visual images in
Auto Off
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
Target Distance The maximum distance is between the thermal
imager camera and the target.
Languages
English/French/German/Dutch/Portuguese/Italian/
Spanish/Traditional Chinese/Simplified Chinese/
Japanese
Set Date and Time Set the date and time in MM/DD/YYYY (month/day/
year) and HH/MM/SS (hour/minute/second) formats.
