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When regulating volume flows in turbulent outlets the straightener improves the measurement accuracy and saves you time and headaches in the tough situations.
Application Spotlight- How Turbulent Outlets Affect Air Flow Readinds
It is difficult to measure the velocity at highly turbulent outlets accurately. In addition to the turbulent air flow, it also had different spreading patterns and is partially blocked by bars or diffuser cones. When the room has a large outlet, the air is not blown into the room straight. The consequences of this is that air flows are often incorrectly measured at the locations. This complicates the volume flow substantially. The testo 420 lightweight flow hood solves these problems with its integrated flow straightener, which allows a more precise measurement result to be achieved at large and turbulant outlets.
Features
Applications
Pitot tube measurements and pressure measurements for air conditioning and ventilation systems.
| EU-/EG-guidelines | EU-guideline 2014/30/EU |
| Warranty | 2 years |
| Battery type | Alkaline, type AA |
| Battery life | 40 h |
| Display size | 3.5" |
| Display function | Dot matrix |
| Display ligthing | with illumination |
| Interface | Micro-USB; Bluetooth® 4.0 wireless technology |
| Memory | 2 GB (internal) |
| Storage temperature | -4°-140°F (-20-60°C) |
| Weight | 102 oz. / 2900 g |
| Dimensions | 24 x 24 in. (Standard hood) / 610 x 610 mm (Standard hood) |
| Operating temperature | 23°-122°F (-5-50°C) |
All returns must be authorized. Items returned prior to authorization will not be accepted. For international customers where applicable, customers must ship any returns to us freight and duty prepaid. Return freight charges for internationsl shippments will be the responsibility of the customer.
Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.
Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
(Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)
Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.
We can ship to both US and Canada. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will charge a flat rate shipping for your items.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Not Applicable
| Condition: | NA |
Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.
Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
(Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)
Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.
