Number of the sensor's measurement points, shown to the catalog's scale.
The largest sensor in the database has 327 680 points.
Published by the manufacturer
A NETD discrepancy between two datasheets for the same model. One retailer's datasheet lists 75 mK, while the documentation for the 'PI 640i' variant in the same range (presented as an upgrade to the Precision line) lists 40 mK for an identical sensor. There's therefore an important distinction between the two versions of the same commercial name, not to be confused.
Specifications
Values come from manufacturer documentation unless otherwise
noted in the sources at the bottom of the page. This device has not been physically tested.
Identity
Brand
Optris
Model
PI 640
Series
PI
Commercial status
current
EAN code
not published by the manufacturer
Manufacturer reference
PI 640
Segment
S5
Sensor and image
Native resolution, width (px)
640
Native resolution, height (px)
480
Native detector pixels
307200
Displayed resolution, width (px)
not applicable
Displayed resolution, height (px)
not applicable
Interpolation method
none
Detector type
uncooled microbolometer
Detector material
VOx
Pixel pitch (µm)
17
Spectral band, min (µm)
7.5
Spectral band, max (µm)
13
NETD (mK)
75
NETD measurement conditions
75 mK advertised on one retailer datasheet, 40 mK advertised on the datasheet for the 'i' model in the same range — see notes
Frame rate (Hz)
32
Optics
Horizontal field of view (°)
33
Vertical field of view (°)
25
Advertised IFOV (mrad)
not published by the manufacturer
Recalculated IFOV (mrad)
0.9
Minimum focus distance (m)
not published by the manufacturer
Focus
manual
Interchangeable lenses
yes
Digital zoom (×)
not published by the manufacturer
Macro lens
Availability
no
Reference
not applicable
Working distance (mm)
not applicable
Spot size (µm)
not applicable
Smallest measurable area (µm)
not applicable
Accuracy with macro (°C)
not applicable
Range max with macro (°C)
not applicable
Measurement
Range min (°C)
-20
Range max (°C)
900
Absolute accuracy (°C)
2
Relative accuracy (%)
2
Emissivity setting
continuous
Reflected temperature correction
not published by the manufacturer
Measurement modes
not published by the manufacturer
Simultaneous cursors
not published by the manufacturer
Full radiometry
yes
Visible channel
Visible camera (MP)
not applicable
Image fusion
no
LED light
no
Laser pointer
no
Ergonomics and ruggedness
Screen (inches)
not applicable
Screen resolution
not applicable
Touchscreen
not applicable
Weight (g)
320
Dimensions (mm)
90 × 56 × 45
IP rating
IP67
Drop resistance (m)
not published by the manufacturer
Operating temperature, min (°C)
not published by the manufacturer
Operating temperature, max (°C)
not published by the manufacturer
Power
Power type
host-powered
Battery system
not applicable
Battery life (h)
not applicable
Charging connector
not applicable
Storage and connectivity
Internal memory (GB)
not applicable
Memory card
no
Wi-Fi
no
Bluetooth
no
Wired interface
USB
File formats
not published by the manufacturer
Software
PC software
Optris PIX Connect
Free PC software
yes
Mobile app
not applicable
Report generation
not published by the manufacturer
Cloud service
not published by the manufacturer
Compliance
Calibration certificate provided
not published by the manufacturer
Declared standards
IEC 60068-2-27 ; IEC 60068-2-6 ; IEC 60068-2-64
Warranty (months)
not published by the manufacturer
Support in France
not published by the manufacturer
Observations
The first fixed-mount camera (no screen or battery) in this comparison. Unlike every other device in the catalog, the PI 640 is designed to be permanently mounted on a production line and controlled entirely from a computer over USB, with no battery life of its own. A very specific industrial segment: process control, automated line monitoring, research.
A 125 Hz subsampled mode. By limiting the readout to 640 × 120 pixels, the frame rate climbs to 125 frames per second, the highest in the entire catalog, for capturing fast phenomena impossible to observe on a typical handheld device.
Four interchangeable lenses (15°, 33°, 60°, 90°) with no recalibration needed.
A starting price around $8,750 according to a US retailer, one of the most expensive in the catalog.