496 ECONOMICAL HOT WIRE ANEMOMETER HHF42 £281 Thermal Anemometer for Very Low Air Velocities Slim Probe—Ideal for Grills and Diffusers Super Large LCD Reads Air Velocity and Temperature Simultaneously Records Min and Max Reading with Recall Data Hold Function Auto Power-Off Heavy Duty Carrying Case Measurement Range Resolution Accuracy m/s 0.2 to 20 m/s 0.1 m/s km/h 0.7 to 72.0 km/h 0.1 km/h ±(5% +1 d) reading or ft/min 40 to 3940 ft/min 1 ft/min ±(1% +1 d) Full Scale miles/h 0.5 to 44.7 mile/h 0.1 mile/h the greater thereof knots 0.4 to 38.8 knots 0.1 knots Temp. °C 0 to 50°C 0.1°C 0.8°C Temp. °F 32 to 122°F 0.1°F 1.5°F environmental testing. The portable HHF42 provides fast, accurate readings with digital readability and the convenience of a remote probe. The combination of hot wire and standard thermistor delivers rapid and precise measurements even at low air velocities. The HHF42 microprocessor circuit assures the maximum possible accuracy and provides special functions and features. Comes with complete operator’s manual, hard carrying case and batteries. Ordering Example: HHF42, hot wire anemometer, £281. AVAILABLE FOR FAST DELIVERY! SPECIFICATIONS Display: 312 digit 13 mm dual function LCD Measurement: m/s, km/h, ft/min, knots, miles/h, Temperature in °C or °F, and Data Hold Sensor Structure: Air Velocity: Tiny glass bead thermistor Temperature: Precision thermistor Memory: Minimum and Maximum with Recall Power Off: Auto shut off or manual button Operating Temperature: 0 to 50°C Operating Humidity: <80% RH Power Supply: Six 1.5V “AAA” alkaline or heavy duty batteries (included) Power Current: Approx. 30 mA DC Dimensions: Instrument: 185 x 78 x 38 mm Telescope Probe: 12 mm dia. x 280 mm (min length) to 940 mm (max length) Weight: Approx. 355 g The HHF42 is an economical solution for any air flow application, such as, air conveyors, flow hoods, balancing, fans/motors/blowers, furnace velocities, refrigeration cases, paint spray booths and HHF42, £281, shown smaller than actual size. Carrying case, operators manual and six “AAA” batteries included. To Order (Specify Model Number) Model No. Price Description HHF42 £281 Hot wire anemometer HHF42-RP 127 Replacement probe for HHF42 CAL-3-FLOW 151 Traceable 4-point calibration certificate MS-1001 80 Reference Book: Heating, Ventilating and Air Conditioning

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