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sift640
sift640
sift640
sift640
sift640 sift640 sift640 sift640

SIFT640

The SIFT640 is an online ultra-high temperature industrial fixed thermal imaging camera designed for accurate, non-contact thermal monitoring across an ultra-wide temperature range of 0–2000°C, making it ideal for harsh and high-heat industrial environments. SIFT640 is equipped with a 640 × 512 uncooled VOx FPA detector with 12μm pixel pitch, the SIFT640 delivers high-definition thermal images and stable temperature data, enabling operators to detect overheating, process drift, refractory damage, and abnormal thermal patterns at an early stage—before they lead to unplanned downtime or safety risks.

The SIFT640 ensures consistent real-time visibility for control rooms, SCADA systems, and automation platforms with 25Hz synchronous output of thermal images and temperature data. The SIFT640 compact and lightweight industrial design, combined with optional air-cooled or water-cooled protective housings, allows reliable operation even in ambient temperatures up to 220°C, making it suitable for continuous, long-term installation in demanding locations.

The SIFT640 is purpose-built for process monitoring and condition-based maintenance across a wide range of applications, including:

  • Furnaces and kilns in steel, cement, glass, and ceramics industries for monitoring combustion zones, lining conditions, and temperature uniformity
  • Molten metal handling and casting lines, such as ladles, tundishes, and continuous casting machines, to detect hot spots and prevent breakout risks
  • Heat treatment and forging processes for real-time temperature control and quality consistency
  • Incinerators, boilers, and thermal reactors for flame monitoring, refractory inspection, and safety assurance
  • High-temperature manufacturing lines, where early detection of abnormal heat buildup helps prevent equipment damage and production losses

Supporting open network protocols, the SIFT640 enables seamless system integration and secondary development, making it well suited for OEMs, system integrators and Industry 4.0 environments. By combining ultra-high temperature capability, robust industrial design, and flexible connectivity, the SIFT640 provides a reliable thermal monitoring solution that enhances process stability, operational safety, and predictive maintenance efficiency.

Lens Options (Choose per distance and field coverage)

  • 4.1 mm (Ultra-wide): 100° × 82° for wide-area, close-range monitoring
  • 6.9 mm (Standard): 62.9° × 50.4° for balanced general monitoring
  • 19 mm (Narrow): 22.9° × 18.4° for long-range, higher-precision monitoring

Coverage (Horizontal × Vertical) in meters

Distance

4.1 mm (H × V)

6.9 mm (H × V)

19 mm (H × V)

1 m

2.384 × 1.739

1.223 × 0.941

0.405 × 0.324

5 m

11.918 × 8.693

6.116 × 4.706

2.025 × 1.620

10 m

23.835 × 17.386

12.232 × 9.411

4.051 × 3.239

20 m

47.670 × 34.771

24.464 × 18.823

8.102 × 6.479

Approx pixel size on target @ 1 m

  •   4.1mm: ~3.7 mm/pixel (horiz), ~3.4 mm/pixel (vert)
  •   6.9mm: ~1.9 mm/pixel (horiz), ~1.8 mm/pixel (vert)
  •   19mm: ~0.63 mm/pixel (horiz & vert)

 billets (pixels on object at 1 m)

Assuming you frame the billet length along the horizontal of the image:

Titanium Billet

Length = 260 mm | Diameter = 35–50 mm

Lens

Length (px)

Diameter (px)

4.1 mm

~70

~10–15

6.9 mm

~136

~19–27

19 mm

~411

~55–79

Stainless Steel Billet

Length = 70–140 mm | Diameter = 17–20 mm

Lens

Length (px)

Diameter (px)

4.1 mm

~19–38

~5–6 (borderline for robust alarming / gradient)

6.9 mm

~37–73

~9–11

19 mm

~111–221

~27–32

Practical recommendation (at fixed 1 m)

  •   Best lens: 19mm → gives you the cleanest temperature gradient along length and the most stable alarming, especially for the small SS billets (Ø17–20 mm).

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SIFT640
Features Specifications FAQ Downloads



Features
  • High-definition infrared imaging: 640×512 IR resolution with advanced image algorithms for clearer, more detailed thermal visuals.
  • Ultra-high temperature measurement: Wide range up to 2000°C for high-temperature scenarios.
  • High sensitivity: Thermal sensitivity NETD ≤ 40 mK (at 25°C, F#1.0, 25Hz) for detecting subtle temperature differences.
  • Accurate measurement: Accuracy ±2°C or ±2% of reading (whichever is greater).
  • Measurement tools & alarms: Temperature measurement of 12 points, 12 lines and 12 areas, with isotherms and temperature alarms for early warning.
  • Industrial video & alarm interfaces:264/H.265 video, alarm input/output, analog video channel, RS485 expansion support.
  • Flexible power and storage: 12V DC or PoE, SD card storage, RJ45 10/100 Ethernet.
  • Open protocol support: Modbus TCP, ONVIF, GB28181, MQTT and common network protocols (IPv4/HTTP/HTTPS/RTSP, etc.) for integration.
  • Low power, compact footprint: Typical consumption <2.5W, weight around 200g, compact body (<50×50×90 mm).
Specifications

Model

SIFT640

Thermal Imaging Parameters

Detector

Uncooled VOx detector

Infrared Resolution

640×512

Pixel Pitch

12μm

Frame Rate

25Hz

Spectral Band

7.5μm~14μm

Thermal Sensitivity (NETD)

≤40mK (@25°C, F#1.0,25Hz)

Focal Length

4.1mm

6.9mm

19mm

Focus Mode

Fixed focus, athermalized

FOV

100°×82°

62.9°×50.4°

22.9°×18.4°

Spatial Resolution

2.927mrad

1.74mrad

0.632mrad

F Value

3.0

2.5

2.5

Temperature Measurement

Measurement Range

0°C~800°C, 600~2000°C

Measurement Accuracy

±2°C or ±2% of readings (whichever is greater)

Temperature Measurement Correction

Reflected temperature, ambient temperature, atmospheric transmissivity, object emissivity, distance

Measurement Tool

Temperature measurement of 12 points, 12 lines, and 12 areas, supporting isotherm settings and temperature alarm

Palette

20 palettes such as iron-red, black & white, and rainbow

Image Processing

Temperature width stretch, non-uniformity correction, thermal image capture, digital zoom (1-8)

System Interface

Communication Interface

RJ45, 10M/100M adaptive Ethernet port

1-channel RS485, supporting Pelco-D protocol expansion

Audio Interface

1-channel audio input, 1-channel audio output

Alarm Interface

1-channel alarm input, 1-channel alarm output

Video Interface

1-channel analog video

Video Standards

H.264, H.265, G.711a/G .711u/AAC/PCM

Storage Interface

SD card

Network protocol

IPv4, HTTP, HTTPS, SMTP, FTP, UPnP, DNS, DDNS, NTP, RTCP, RTSP, RTP, TCP, UDP, IGMP, ICMP, DHCP

Interface Protocol

Modbus TCP, ONVIF, GB28181, MQTT

Device Specifications

Operating Temperature

-20°C~60°C

Power Supply Mode

12V DC or PoE power supply

Typical Power Consumption

<2.5W

Dimensions (HxWxD)

<50×50×90mm

Weight

About 200g
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Downloads

Product Datasheet

File Type: PDF File Size: 1.79 MB
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