Description
OHAUS Scout™ SPX421 Portable Balance, 420 g x 0.1 g | USA Lab
The OHAUS Scout SPX421 is a high-performance portable balance designed for fast, reliable measurements in labs, classrooms, and light industrial settings. With a 420 g maximum capacity and 0.1 g readability, it delivers precise results on a compact footprint.
A bright backlit LCD makes results easy to read, while integrated overload protection and a rugged stainless-steel pan help the balance withstand demanding environments. Advanced weighing technology enables stabilization in as fast as one second to keep workflows moving.
Powered by the included AC adapter or 4 × AA batteries (up to 120 hours), the SPX421 supports multiple weighing applications and optional connectivity accessories for RS232, USB, Ethernet, and Bluetooth.
Packaged for safe transit. See FAQ for our damage reporting policy. Batteries not included when shipped by air.
420 g Capacity 0.1 g Readability 1 s Stabilization Backlit LCD
Readable: Large backlit LCD for easy viewing in low light and at a distance.
Durable: Overload protection and impact-resistant stainless-steel pan.
Fast: Advanced weighing technology with stabilization time as fast as 1 second.
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Tested and trusted products.
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Nationwide 1-2 day shipping.
Nationwide 1-2 day shipping.
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US-based service & spares.
US-based service & spares.
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Why this portable balance?
- Clear, backlit LCD — easy to read in labs, classrooms, and production areas.
- Rugged & reliable — integrated overload protection with stainless-steel pan.
- Fast stabilization — results in ~1 second to boost throughput.
- Flexible power — AC adapter included or 4×AA batteries (up to 120 hours).
- Connectivity ready — optional RS232, USB (Host/Device), Ethernet, or Bluetooth accessories.
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Technical Specifications
| Model | Scout™ SPX421 (Item No. 30253024) |
|---|---|
| Maximum Capacity | 420 g |
| Readability | 0.1 g |
| Pan Size | Ø 4.7 in (120 mm), stainless steel |
| Display | Large backlit LCD |
| Dimensions (L × H × W) | 8.8 in × 2.1 in × 8.0 in (224 × 54 × 202 mm) |
| Stabilization Time | ~1 s (typical) |
| Power | AC Adapter (included) or 4 × AA (LR6) batteries |
| Battery Life | Up to 120 hours with disposable batteries |
| Tare Range | To capacity by subtraction |
| Units of Measurement | g, oz, ozt, dwt, ct, gn, N, custom |
| Applications | Weighing, Parts Counting, Percent Weighing, Check Weighing, Totalization, Display Hold |
| Communication | Optional RS232, USB Host/Device, Ethernet, Bluetooth |
| Construction | ABS housing; stainless-steel pan; weigh-below hook; manual calibration lock; security slot; adjustable feet; illuminated level indicator |
| Linearity ± | 0.1 g |
| Repeatability (typical) | 0.1 g |
| Net Weight | 2.2 lb (1 kg) |
| Working Environment | 50–104°F, 80% RH non-condensing (10–40°C) |
| Legal for Trade | Not Applicable |
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FAQ
What are the capacity and readability?
The SPX421 measures up to 420 g with 0.1 g readability, ideal for general lab and educational use.
How is the balance powered?
Use the included AC adapter or 4 × AA (LR6) batteries for up to ~120 hours of operation (batteries not included).
What connectivity options are available?
Optional accessories enable RS232, USB Host, USB Device, Ethernet, or Bluetooth communication.
Is the SPX421 legal for trade?
No. This model is not legal for trade and is intended for laboratory and industrial weighing where trade approval is not required.
Important Shipping Notice!
DISCLAIMER:
All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.
Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.
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