Description
The OHAUS Scout SPX421 is a precision portable balance designed for laboratory and industrial environments. It’s part of the Scout SPX series, offering fast stabilization, durability, and multiple weighing modes for versatile applications.
Key Features & Design
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Large backlit LCD and intuitive 4‑button interface, ideal for low-light and quick setup use
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Superior overload protection, rated to 10× capacity, plus impact‑resistant stainless steel pan support and a secure transport lock for rugged use
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Stackable body design, compatible with optional storage cover (except for 1 mg models)
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Fast stabilization—about 1 second typical response time for efficient workflow
Application Modes
Built-in operational modes support:
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Weighing
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Parts counting
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Percent weighing
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Check weighing (with high/low limits)
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Totalization (cumulative weight tracking)
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Display hold (lock last stable or first maximum reading)
Technical Specifications
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Maximum Capacity: 420 g
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Readability: 0.1 g
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Repeatability (typical): 0.1 g
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Linearity: ± 0.1 g
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Stabilization Time: ~1 second
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Pan Size: 120 mm (4.7 in) diameter
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Display: Large backlit LCD
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Power Options: AC adapter (included) or 4 × AA batteries (user‑supplied)
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Battery Life: Approximately 120 hours on disposable batteries
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Communication Port Options: RS‑232, USB Host/Device, Ethernet, Bluetooth available via optional accessories
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Construction: ABS housing, stainless steel pan; includes leveling feet, security slot, manual calibration lock, transport lock, stability indicator, and weighing‑below hook
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Environmental Range: 10–40 °C (50–104 °F), 80–85% RH non‑condensing
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Dimensions (L × H × W): 224 × 54 × 202 mm (8.8 × 2.1 × 8.0 in)
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Net Weight: ~1 kg (2.2 lb)
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Legal for Trade: Not certified
Summary & Use Cases
The Ohaus Scout SPX421 balances speed, portability, and precision—making it ideal for:
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Laboratory environments requiring robust weighing capabilities
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Industrial or industrial-quality mobile field measurements
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Applications needing multiple operational modes (counting, percent check, etc.)
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Work in low‑light or limited-space settings, thanks to its stackable, slim profile
With a 420 g capacity and 0.1 g readability, it’s best suited to mid‑range weighing—not ultra-fine analytical weighing. While basic in design, it’s well‑equipped for everyday lab/production tasks and data communication via optional interfaces.
Disclaimer: Laboratory Instrument Specialists, Inc. is a proudly independent reseller and service provider of pre-owned laboratory equipment. We are not affiliated with, authorized, sponsored, or endorsed by CEM Corporation, Mettler Toledo, Ohaus, Sartorius, and other manufacturers listed on our website. All product names, logos, part numbers, and brands are the property and trademark of their respective owners.
We produce, obtain, and provide replacement parts and consumables that meet or exceed the manufacturer’s specifications. Certain parts we obtain directly from the manufacturer, while others we obtain from a 3rd party or manufacture in-house. We manufacture or obtain most consumables from a 3rd party and provide them to our customers at a discounted price. Items that start with LIS-XXXXX are manufactured by us and therefore are NOT OEM parts. Items that end in U, such as xxxxU, are most likely OEM used parts.
