Product Description

Testo 865 – Thermal Imager (160 x 120 pixels)

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The testo 865 thermal imager offers professional technology and concentrates on functions which are needed in a contractor’s daily work. The testo 865 is a user-friendly thermal imager, optimized for fast and efficient work. With the testo ScaleAssist functions ensuring optimum setting of the thermal image scale for building thermography and the IFOV warner making sure you avoid measurement errors, you will always generate the perfect infrared image.

Areas of application of the testo 865 thermal imager

Detect leaks, identify overheated connections, pinpoint thermal bridges or detect structural defects. The testo 865 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. It enables time-saving quality assurance and ensures reliable production control.

Technical highlights of the testo 865 thermal imager

The testo 865 thermal imager stands out thanks to its easy operation and has the following impressive technical features:

Very good image quality due to high resolution: 19,200 temperature measuring points ensure precise thermography. Infrared resolution of 160 x 120 pixels – via integrated SuperResolution Technology 320 x 240 pixels
Visualize temperature differences from 0.1°C
Critical temperature conditions are directly displayed via automatic hot-cold spot recognition
The IFOV warner means the distance from the measurement object / measurement spot size is determined and the measurement spot is shown on the thermal image – you therefore avoid measurement errors because the camera shows you exactly what you can measure
The testo ScaleAssist automatically ensures optimum setting of the thermal image scale, which means you generate objectively comparable and error-free thermal images, for example of the thermal insulation behaviour of buildings
Pro software for image evaluation on the PC
You can choose to save thermal images as JPEGs

Specifications Testo 865 – Thermal Imager (160 x 120 pixels)

Standards and warranty
EU-/EG-guidelines	EMC: 2014/30/EU

Infrared image output
Infrared resolution	160 x 120 pixels
Thermal sensitivity	<0.1 °C (100 mK)
Field of view	31° x 23°
Minimum focus distance	<0.5 m
Geometric resolution (IFOV)	3.4 mrad
SuperResolution (Pixel)	320 x 240 pixels
SuperResolution (IFOV)	2.1 mrad
Image refresh rate	9 Hz
Focus	Fixed focus
Spectral range	7.5 to 14 µm

Image presentation
Display type	8.9 cm (3.5″) TFT, QVGA (320 x 240 pixels)
Display option	IR image only
Colours	4 (iron, rainbow, cold-hot, grey)

Measurement
Measuring range	-20 to +280 °C
Accuracy	±2 °C, ±2 % of mv
Emissivity	0.01 to 1
Reflected temperature	manual

Measuring function
Analysis function	Mean point measurement, hot/cold-spot recognition, Delta T
IFOV warner	Included
testo ScaleAssist	Included

Imager equipment
Full screen mode	Included
JPEG storage	Included
Video streaming	via USB
Standard lens	31° x 23°
Interface	USB 2.0 Micro B

Imager storage
File format image	.bmt; .jpg; export option in .bmp; .jpg; .png; .xls; .csv
Storage device	Internal Memory (2.8 GB)

Power supply
Battery type	Fast-charging, Li-ion battery can be changed on-site
Operating time	4.0 h
Mains operation	yes

Ambient Condition
Air humidity	20 to 80 %RH non-condensing
Housing protection class	IP54
Vibration	2G
Storage temperature	-30 to +60 °C
Operating temperature	-15 to +50 °C

Physical specification
Product-/housing material	PC – ABS
Weight	510 g
Dimensions	219 x 96 x 95 mm

PC software
System requirements	Windows® 10; Windows® 8.1

General technical data
Product colour	Black
Display ligthing	bright / normal / dark

Delivery Scope

testo 865 thermal imager, including USB cable, mains unit, lithium-ion rechargeable battery, IRSoft professional software (free download), commissioning instructions, short instructions, calibration protocol and case.