Specifications - Extech Instruments HD300 User Manual

Specifications

General Specifications
Display
Measurements
Data Hold
Sampling rate
Sensors
IR Distance to Spot ratio
IR Spectral response
IR Emissivity
MIN-MAX-AVG
Auto Power OFF
PC Interface
Over range indication
Low battery indication
Power supply
Operating conditions
Dimensions / Weight
Weight
Dual Display Multi-function LCD with 9999 counts
Air Velocity: m/s, km/h, ft/min, knots, mph;
3
Air Flow: CMM (m /min) and CFM (ft
Air Temperature (through vane) and Surface Temperature (using the IR
thermometer function): °C and °F
Freezes displayed reading
1 reading per second
Air velocity/Air flow sensor: Conventional angled vane arms with low-
friction ball bearing. Air temperature sensor: Precision thermistor (built
into the vane assembly); Surface temperature via non-contact IR
sensor.
30:1
6 to 14µm
0.95 fixed
Record and Recall lowest, highest, and average readings
Automatic shut off after 15 minutes (can be disengaged)
USB PC Communication with supplied software and cable for data
acquisition
Dashes appears on the LCD
Battery symbol appears on the LCD
9V Battery
o
Meter: 0 to 50 C (32 to 122
o
Sensor: 0 to 60 C (32 to 140
Main instrument: 203 x 75 x 50mm (8.0 x 3.0 x 1.9")
Sensor head: 72mm (2.8") diameter
280g (9.8 oz.)
3
/min);
o
F); 80% RH max.
o
F)
11
HD300-EU-EN V2.2 07/13