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Description
Testo 890 Thermal Imager – Pro Kit with Two Lenses
Overview
The testo 890 is built for both industrial thermography and building diagnostics. It captures 640 × 480 px infrared images (up to 1280 × 960 px with SuperResolution) with < 40 mK thermal sensitivity—so small temperature differences stand out.
Choose any two lenses (standard, 25°, telephoto) to suit close-ups, façades, or distant targets.
Key Features
- High detail: 640 × 480 detector; SuperResolution to 1280 × 960.
- High sensitivity: < 40 mK @ 30 °C for subtle deltas.
- Smart capture: JPEG save, optional sequence capture, SiteRecognition, panorama assistant.
- Ergonomics: camcorder design, wrist strap, rotatable fold-out display, one-hand use.
- Range extender: optional high-temperature up to 1200 °C.
- Mould risk mode: dewpoint-based traffic-light overlay; supports optional radio humidity probe.
- Integrated visual camera: with LEDs for paired real images.
- Auto-focus & close focus: down to 10 cm.
- Exchangeable lenses and voice notes (headset included).
Features & Capabilities
- 307,200 temperature points per frame (640 × 480); SuperResolution improves pixel density and IFOV.
- Process analysis package (optional): fully radiometric video + on-instrument sequence capture.
- Panorama assistant: auto-stitches wide scenes (e.g., whole façades) at capture time.
- SiteRecognition: auto ID, assignment, and archiving for recurring locations.
- FeverDetection (optional): screening assistant for elevated body temperature.
Applications
Preventive Maintenance
- Find hot spots under load; reduce downtime and fire risk.
- Electrical: switchboards, PV arrays, LV/MV/HV assets.
- Mechanical: motors, bearings, shafts, rotating equipment.
Building & Energy
- Detect leaks, insulation gaps, and thermal bridges; verify air-tightness.
- Mould-risk visualisation via humidity/temperature inputs.
- Energy audits: document losses; support blower-door testing.
- Panorama: stitch large façades into one diagnostic image.
HVAC & Plumbing
- Map temperature distribution; balance systems quickly.
- Trace underfloor loops; compare flow/return temps; identify silting.
- Locate pipe leaks without destructive opening.
Roofs & Envelopes
- Reveal trapped moisture and insulation damage (especially flat roofs).
Quality, R&D, and Process
- Monitor production, component heat profiles, and fill levels in closed tanks.
- Board-level hotspot analysis; optional video/sequence for thermal transients.
High-Temperature & Utilities
- Safely image furnaces, kilns, smelters (option to 1200 °C; not with telephoto lens).
- Utilities: transformers, overhead lines from a safe distance; PV module defect checks.
What's Included
- testo 890 thermal imager with SuperResolution.
- Two lenses of your choice: 42° × 32° standard, 25° × 19°, or 15° × 11° telephoto.
- Transport case, SD card, USB cable, mains unit.
- IRSoft Pro software (free download), carrying strap, lens case + protective glass.
- Li-ion battery + spare, fast charger, headset for voice notes.
Note: Please contact us for current lens availability.
Specifications (Selected)
| Spectral range | 7.5 – 14 µm |
|---|---|
| IR resolution | 640 × 480 px (to 1280 × 960 px with SuperResolution) |
| Thermal sensitivity (NETD) | < 40 mK @ +30 °C |
| Frame rate | 33 Hz (EU units 9 Hz) |
| Field of view (by lens) | 42°×32° (Std), 25°×19° (25°), 15°×11° (Tele), 6.6°×5° (Super-tele) |
| Min focus distance | 0.1 m (Std), 0.2 m (25°), 0.5 m (Tele), 2 m (Super-tele) |
| SuperResolution IFOV | 0.71 / 0.43 / 0.26 / 0.11 mrad (Std / 25° / Tele / Super-tele) |
| Temp ranges | −30…+100 °C; 0…+350 °C (switchable); 0…+650 °C (switchable); option to +1200 °C* |
| Display | 4.3″ LCD touchscreen (480 × 272); digital zoom 1×, 3× |
| Imaging | IR + 3.1 MP visual; USB 2.0, Micro-HDMI; JPEG save |
| Tools | Hot/Cold spot, up to 10 points, up to 5 areas (min/max/avg), isotherms, alarms |
| Assistants | Panorama, SiteRecognition, surface moisture distribution, Solar mode |
| Power | Fast-swap Li-ion (≈4.5 h), charge in instrument/charger; mains capable |
| Env. / rating | −15…+50 °C op., −30…+60 °C storage; 20–80% RH; IP54; 2G vib. |
| Size / weight | 253 × 132 × 111 mm; 1.63 kg; 1/4″-20 UNC tripod |
| * High-temperature option not available with the telephoto lens. | |

















