Stainless steel probe with comfortable hand grip is etched with insertion depth marks from 0-8 inches and 0-20 cm on the Model 471-1. When fully extended, the probe length on models 471-2 and 471-3 reach 33 inches (83 cm). Model 471-3 features a telescoping bendable probe for easy access in hard-to-reach locations. Extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold even when taking multiple readings as part of duct traverses. An integral sliding cover protects sensors when not in use.
Standard accessories are 9 volt alkaline battery, wrist strap, custom fitted carrying case and step drill for making duct 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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