Install Instructions

9 Technical data
19
9.2.3. testo 405i
Feature Values
Measuring range
1
0 to 30 m/s / 0 to 5,900 fpm
-20 to 60 °C / -4 to 140 °F
Accuracy ± 1 digit ± (0.1 m/s + 5% of m.v.) (0 to +2 m/s)
± (0.3 m/s + 5% of m.v.) (2 to +15 m/s)
± (20 fpm + 5% of m.v.) (0 to +394 fpm)
± (59 fpm + 5% of m.v.) (394 to +3,000 m/s)
± 0.5 °C / ±0.9 °F
Resolution 0.01 m/s / 1 fpm
0.1 °C / 0.1 °F
Measurement rate 1/sec
Available units of
measurement
°C, °F, m/s, fpm, m³/h, cfm, l/s
Storage temperature -20 °C to 60 °C / -4 to 140 °F
Operating temperature -20 °C to +50 °C / -4 to 122 °F
Battery type 3 micro batteries AAA
Battery life 15 hrs
Dimensions 200 mm × 30 mm × 41 mm
Extendible telescope 400 mm
Probe shaft diameter 12 mm
Probe tip diameter 9 mm
Directives, standards
and tests
EU guideline: 2014/30/EU
Warranty Duration: 2 years
Warranty terms: see website www.testo.com/warranty
9.2.4. testo 549i
Feature Values
Measuring range 0 to 60 bar (rel) / 0 to 870 psi (rel)
Overpressure 65 bar
Accuracy ± 1 digit 0.5% of final value of measuring range
1
Please switch on the Smart Probe in the following ambient conditions: > 10 °C,
air velocity 0 m/s = protective cap closed to enable the sensor to heat up.