OHAUS Scout® SPX Portable Balances

Category Laboratory Balances
Manufacturer Ohaus
Country of manufacture the United States

Ideal for laboratory and industrial applications, the OHAUS Scout comes in a slim, stackable design with large backlit LCD. Features include superior overload protection, multiple weighing units and application modes. Geared for high performance in your facility with fast stabilization time and high resolution weighing results, these portable balances set a new standard in laboratory and industrial weighing.

Weighing, Parts Counting, Percent Weighing, Check Weighing, Totalization, Display Hold

Liquid crystal display (LCD) with backlight

AC Adapter (Included) or 4 AA Batteries (Not included)

RS232, USB Host, USB Device, Ethernet or Bluetooth® (available as an accessory)

ABS housing, stainless steel pan, ABS draftshield (1mg models only), weigh below hook, transportation lock, manual calibration lock switch, security slot, adjustable leveling feet, illuminated up-front level indicator

Design Features
Stability indicator, stackable design with optional storage cover (excluding 1mg models), mechanical and software overload/underload protection, low battery indicator, auto shut-off, auto tare, span calibration mass included on models up to 620g capacity


  • Combined with a simplified 4 button operation, the Scout's large backlit display increases readability in low light working conditions, and is easier to view from a distance.
  • Integrated superior overload protection and impact-resistant pan support safeguard against shock and overloading the balance in rugged and demanding environments.
  • Stabilization time as fast as 1 sec and advanced weighing technology, lead to improved productivity in your facility. Increased capacity unlocks a wider range of weighing applications.
Key Attributes 
Capacity 120-8200g (model dependent)
Readability 0.001-1g (model dependent)
Calibration External
Draft protection None* (ring shield on 0.001g readability models)
Warranty 2 Years
Data output port RS232 and USB
Manufacturer Specifications 
Model SPX 123 SPX 223 SPX 222 SPX 422 SPX 622 SPX 1202 SPX 2202 SPX 421 SPX 621 SPX 2201 SPX6201 SPX8200
Capacity 120 220 220 420 620 1200 2200 420 620 2200 6200 8200
Readability (g) 0.001 0.001 0.01 0.01 0.01 0.01 0.01 0.1 0.1 0.1 0.1 1
Repeatability (Std. Dev.) (g) 0.002 0.002 0.01 0.01 0.01 0.02 0.02 0.1 0.1 0.1 0.1 1
Linearity (g) 0.003 0.003 0.01 0.01 0.02 0.03 0.03 0.1 0.1 0.1 0.2 1
Span Calibration Mass 100g 200g 200g 200g 300g 1kg 2kg 200g 300g 2kg 5kg 8kg
Linearity Calibration Mass 50, 100g 100, 200g 100, 200g 200, 400g 300, 600g 500g, 1kg 1kg, 2kg 200, 400g 300, 600g 1kg, 2kg 3kg, 6kg 4kg, 8kg
Stabilization Time (s) 1.5 1.5 1 1 1 1.5 1.5 1 1 1 1 1
Construction ABS housing & stainless steel pan
Draftshield Yes No
Calibration User-selectable external span or linearity calibration/ Digital with external weight
Tare Range Full capacity by subtraction
Weighing Units g, kg, ct, N, oz, ozt, dwt, lb, lb:oz, grn
Application Modes Weighing, Parts Counting, Percent Weighing, Check Weighing, Totalization, Display Hold
Power Requirement AC adaptor (included) or 4 AA batteries (not included)
Typical Battery Life (hours) 80 120 80 120 80 120
Communication RS232, USB Host, USB Device, Ethernet or Bluetooth (available as an accessory)
Display Type Liquid Crystal display (LCD) with backlight
Display Size 0.78 in / 20mm digits
Overload Capacity 10 times the rated capacity
Operating Temperature Range 50°F/10°C to 140°F/60°C at 10% to 80% relative humidity, non-condensing
Storage Conditions  -20°C (-4°F) to 55°C/131°F at 10% to 90% relative humidity, non-condensing
Pan Size (W x D) Ø 3.7 in/ 93mm Ø 4.7 in/ 120mm 6.7 x 5.5 in/ 170 x 140 mm Ø 4.7 in/ 120mm 6.7 x 5.5 in/ 170 x 140 mm
Balance Dimensions (WxHxD) 8 x 8.7 x4.1 in/ 202 x 222 x 103 mm 8 x 8.8 x 2.1 in/ 202 x 224 x 54 mm
Shipping Dimensions (WxHxD) 11.8 x 9.8 x 5.1 in/300 x 250 x 129 mm 11.8 x 9.8 x 3.4 in/300 x 250 x 86 mm
Net Weight 2.2 lb/ 1kg
Shipping Weight 3.3 lb/ 1.5kg

Span calibration weight is included with models up to 620g capacity


What is required to use the computer communication functionality?

The Scout SPX Portable Balances can be connected to a computer for data transmission via RS-232, USB, Ethernet, or Bluetooth by using the appropriate interface kit, each of which is sold separately. Each interface kit supports a specific type of communication: for instance, there is a USB-specific interface kit, and the Bluetooth interface kit is a separate item.

Please contact us for pricing if you are interested in any of the interface kits.


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