| This pyrometer offers what few others in the market can switchable optics. With just a flip of a switch, you can shift between close focus and long distance temperature measurements with accuracy and ease. Use the 845 to measure points as close as inch, then simply slide switch for measurements across the room. Whether close up or at a long distance, the 845 gives you exact readings in seconds plus it can also log the data points for analysis FEATURES of the 845 Switchable optics for distance (75:1) Close focus (0.04" spot from 3" ) Intense cross laser sighting for true indication of measuring point 3-line display (F,min./max. values, alarm limit values, emissivity) Document on site with testo printer (optional) PC software for archiving and documenting data (included) Tripod adapter for online measurement via USB cable (included) Humidity module with temperature (option) Measure points as close as inch Ultra fast scan capability (100 msec) to survey any area quickly and accurately (reference accuracy 1.5F) 90 test memory Additional Features
Transfer data to your PC in user selectable timed intervals for archiving, documenting and processing data in real time or online. Software, USB cable and tripod bracket are included with every instrument.
Transfer data to testo's IR printer for on-site documentation with date and time (printer optional). Technical Data - Measuring range: -30 to 1750F (-35 to +950C)
- Humidity module: 0 to 100 %RH
- 32 to 122F (0 to +50C)
- -4 to 122F (-20 to +50C td)
- Contact temp. range: -30 to 1750F (-35 to +950C)
- Spectral range: 8 to 14 m
Accuracy C IR (at +23C): - 2.5C (-35 to -20.1C)
- 1 digit: 1.5C (-20 to +19.9C)
- 0.75C (+20 to +99.9C)
- 0.75 % of m.v. (+100 to +950C)
Accuracy C contact (Type K): - 0.75C (-35 to +75C)
- 1 % of m.v. (75.1 to +950C)
Accuracy humidity module: - 2 % RH (2 to 98 %RH)
- 1 digit: 0.5C (+10 to +40C) (50 to 104F)
- 1C (remaining range)
Resolution: - 0.1C (C-measurement parameters)
- 0.1 % RH (humidity)
- 0.1Ctd (dewpoint)
Emissivity: Adjustable 0.1 to 1.0 Optical resolution: - Far field: 75:1
- (16 mm, distance 1200 mm) (7" @ 4ft.)
- Close focus: 1 mm, distance 70 mm (spot @ 3")
Measuring rate: t 95: 150 msec Scanning Max/Min/Alarm: 100 msec Specifications: - Housing material: ABS black/grey, metal cover
- Instrument: 155 x 58 x 195 mm (6" x 2" x 8")
- Weight: 465 g (1 lb)
- Case (included): 405 x 340 x 93 mm (16" x 13" x 4")
- Power supply: 2 x AA AIMn or via USB
- Battery life: 25h (w/o laser);
- 10h (with laser w/o backlight);
- 5h (with laser and 50% backlight)
- Operating temperature: -20 to +50C (-4 to 122F)
- Storage temperature: -40 to +70C (-40 to 158F)
- Warranty: 2 years
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