General Specifications - Extech Instruments HD350 User Manual

Specifications
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General Specifications

Display Multi-function LCD with Backlighting
Measurements Air Velocity: m/s, km/h, ft/min, knots, mph;
Air Flow: CMM (m
Pressure: psi, mbar, inH
Air Temperature: °C and °F
Data Hold Freezes displayed reading
Response Time 0.5 seconds (typ.)
Linearity / Hysteresis ±0.29 F.S.
MIN-MAX-AVG Record and Recall lowest, highest, and average readings
Auto Power OFF Automatic shut off after 20 minutes (can be disengaged)
PC Interface USB PC Communication with supplied software and cable for data
acquisition
Low battery indication Battery symbol appears on the LCD
Power supply 9V Battery
Operating conditions 0 to 50
Storage conditions -10 to 60
Relative Humidity Non-condensing (<10
(10 to 30
(30 to 40
(40 to 50
Dimensions / Weight Main instrument: 210 x 75 x 50mm (8.2 x 2.9 x1.9")
Probe dimension Tube diameter 0.322 inches (8.2mm)
Horizontal portion
Vertical portion
Weight 280g (9.8 oz.)
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3 /min) and CFM (ft 3 /min);
O, mmH O, Pa
2 2
o o
C (32 to 122 F)
o C (14 to 140 o F)
o C) 90%RH
o C) 75% RH
o
C) 45% RH
o
C) without condensation
8 inches long (204mm)
13.4 inches (340mm)
13 HD350-en-GB_V3.4 2/19
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