Specifications(PDF)
The Series 471 Digital Thermo Anemometersare versatile dual function instruments that quicklyand easily measure air velocity in four field selectable ranges, in eitherfeet per minute or meters per second, plus air temperature in °F or °C. Highcontrast LCD display shows both range selected and present velocity.Convenient backlight provides perfect visibility in low light conditions.Light automatically shuts off after 2-1/2 minutes to prolong battery life. Lowbattery warning is included.
Stainless steel probe with comfortable handgrip is etched with insertion depth marks from 0-8 inches and 0-20 cm on theModel 471-1. When fully extended, the probe length on models 471-2 and 471-3reach 33 inches (83 cm). Model 471-3 features a telescoping bendable probe foreasy access in hard-to-reach locations. Extruded aluminum housing fullyprotects electronics, yet is lightweight and comfortable to hold even whentaking multiple readings as part of duct traverses. An integral sliding coverprotects sensors when not in use.
Standard accessories are 9 volt alkalinebattery, wrist strap, custom fitted carrying case and step drill for makingduct holes from 3/16″ to 1/2″.
| AIR VELOCITY SPECIFICATIONS: Service: Air. Range: Field selectable 0-500, 0-1500, 0-5000, 0-15000 FPM (see Catalog Page). Accuracy: Depending on range (see Catalog Page) @ 59 to 86°F (15 to 30°C). Outside this range add 0.11% per °F (0.2% per °C). Temperature Limits: Probe: 0 to 200°F (-18 to 100°C). Ambient: 32 to 104°F (0-40°C). Display: 4-1/2 digit 0.4″ high. Resolution: 1 FPM/0.1 MPS. Response Time: 15 seconds. Power Requirements: 9 volt alkaline battery, included. Probe: 5/16″ (8.13 mm) diameter probe with integral hand grip and 6 ft. (15.2 cm) coiled cord. Length of probe: Model 471-1=10″ (25.4 cm); Models 471-2 and 471-3= 33″ (83 cm) extended. Weight: 12 oz (340 g).
TEMPERATURE SPECIFICATIONS: Range: 0 to 200°F (-18 to 100°C). Accuracy: ±2°F (1°C). Temperature Limits: Probe: 0 to 200°F (-18 to 100°C). Ambient: 32 to 104°F (0 to 40°C). Ambient: 32 to 104°F (0 to 40°C). Display: 4-1/2 digit 0.4″ high. Resolution: 0.1°. Response Time: 30 seconds. Note: Ranges are field selectable.
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