Ohaus is a leading manufacturer of high-quality lab balances, many of which are best-sellers at Scales Plus. Their range includes both precision and analytical models, offering advanced features for a variety of weighing applications. Whether you need a high-resolution analytical balance for sensitive measurements or a versatile precision balance for basic weighing tasks, Ohaus provides the perfect solution. This guide outlines the features and benefits of each model to help you choose the right one for your application. (Updated for 2026)

Ohaus Lab Balance Lineup

Ohaus laboratory balances are known for their quality, versatility, precision, accuracy and reliability. They have been producing industry-leading balances for over a century. Their model range provides measurements with readability ranging from 0.1g in precision models, down to 0.01mg with their semi-micro models. Ohaus balances are used across industries and disciplines, including research facilities, pharmaceutical laboratories, manufacturing, food production and higher education. 

Ohaus Explorer Plus EXP

The newest model in the Ohaus lab lineup is the Explorer Plus (EXP), a refreshed and significantly improved version of the previous Explorer series. They offer exceptional precision and advanced technology, with precision models reading to 0.1 grams and semi-micro models reading out to 0.01mg. Explorer Plus is loaded with cutting-edge features like an intuitive touchscreen, automatic self-leveling, real-time status lighting, motorized draft shield doors and robust data management capabilities.

Features

• Capacity Range: EXP precision and EXP analytical models ranging from 120g to a whopping 65,000g
• Touchscreen: 7" color touchscreen with intelligent menu and layout
• Expansive Connectivity: USB, RS232, Ethernet and more
• GLP/GMP: Explorer Plus balances are GLP/CMP compliant
• Human Interface Device: (HID) Connect to PCs without drivers quickly and easily
• Versatile Weighing: They come loaded with a robust selection of weighing modes
• Memory: Built-in memory with a 3000 item sample library
• Security: Security features like password protection, user profiles and system logs.
• Modular: Display easily detaches from the weighing platform allowing versatile mounting options
• Touchfree Sensors: Programmable IR sensors for touchless operation of common functions
• Status Lighting: Quick glance color-coded lighting shows status of the weighing operation
• Automatic Leveling: Automatic motorized leveling ensures proper balance setup
• Automatic Calibration: AutoCal automatic internal calibration comes standard on all Explorer Plus models
• Advanced Draft Shield: Advanced draft shield design with automatic doors and open/close presets and lighting to view samples
• Built-in Ionizer: Ionizer comes standard on all Explorer Plus models with a draft shield
• NTEP Certified: Models that include "N" are NTEP-certified for use in transactional weighing
• No Assembly Required: Ohaus Explorer Plus balances are assembled and ready-to-go right out of the box

Who Needs Explorer Plus

• Critical testing environments the require exceptional accuracy and precision
• For operations that require enhanced data collection and management that is GLP/GMP compliant
• Those who need more security and administration capability to protect sensitive data and information
• Labs the cover a broad range of testing methods and require weighing versitility

Ohaus Explorer EXR

Newly released with the Explorer Plus, Explorer EXR is the more budget-friendly option. In the way of performance, these balances are just as accurate and precise as their Plus counterparts. Precision and analytical models are available as well, with readability from 0.1 grams to 0.01mg. Explorer EXR provides exceptional performance and reliable precision, with a few less bells and whistles.

Features

• Capacity Range: EXR precision and EXR analytical models ranging from 120g to a 65,000g
• Touchscreen: 7" color touchscreen with intelligent menu and layout
• Expansive Connectivity: USB, RS232, Ethernet and more
• GLP/GMP: Explorer EXR balances are GLP/CMP compliant
• HID: (Human Interface Device) Connects to PCs without drivers which simplifies communication
• Versatile Weighing: Comes loaded with a wide range of weighing modes
• Memory: Built-in memory with sample library
• Security: Security features like password protection, user profiles and system logs.
• Touchfree Sensors: Programmable IR sensors for touchless operation of common functions
• Status Lighting: Quick glance color-coded lighting shows status of the weighing operation
• Automatic Calibration: AutoCal comes standard on all Explorer EXR models
• NTEP Options: Models that include "N" are NTEP-certified
• No Assembly Required: Ohaus Explorer EXR balances are ready-to-go straight out of the box

Who Needs Explorer EXR

• Labs and research departments that require exceptional accuracy and precision
• Operations that need GLP/GMP compliance with data management capability
• Labs the cover a broad range of testing methods and require weighing versitility

Explorer EXP vs EXR Quick Comparison

Ohaus Adventurer AX

Adventurer balances offer versatility and high-precision with fewer features than the Explorer lineup, making them a bit more economical for less complex weighing applications. They are user-friendly and feature multiple weighing modes, standard RS232, USB and USB host communication, a color touchscreen display with keypad, and intuitive draft shield design, which makes Adventurer a great choice for many industrial and research weighing tasks.

Features

• Readability: Precision and analytical models with readabilities from 0.1g to 0.01mg
• Capacity Range: Capacities ranging from 120g to 12,000g
• Touchscreen Display: 4.3" color touchscreen display with clear icons for straightforward navigation. Loaded with multiple weighing units and supports a variety of languages.
• Multiple Applications: Includes weighing modes for weighing, density determination, checkweighing, counting, dynamic weighing, formulation, percentage weighing, and more.
• Connectivity: Includes USB, RS232, and USB Host for data management and quick connection to PCs, printers and other devices.
• Calibration: AutoCal models available with automatic internal calibration which ensures consistent reliable weighing results.
• GLP/GMP Compliant: Ohaus Adventurer balances are GLP/GMP compliant.
• NTEP: "N" models are NTEP-certified for use in legal-for-trade applications.

Who Needs Adventurer AX

• Labs and research departments that require reliable accuracy and precision
• Operations that need GLP/GMP compliance with data export capability
• Higher education institutions that need a higher level of capability without the enterprise cost

Ohaus Pioneer PX

Pioneer balances are designed for general laboratory use, offering high precision in a cost-effective, easy-to-use design. They provide reliable and repeatable performance and are built to withstand consistent daily use. Pioneer is the perfect solution for less complex, simple weighing procedures in research and industrial labs. Given their more cost-effective price point, they are also a great option for the education market, including university and college labs.

Features

• Readability: Precision and analytical models with readability from 0.1g to 0.01mg
• Capacity Range: Capacities from 85g to 12,000g
• Simple Interface: User-friendly interface with a large backlit LCD display and simple keypad
• Versatile Modes: Pioneer balances include weighing, parts counting, density determination, percent weighing, formulation and dynamic weighing modes
• Communication: RS232 and USB communication for connectivity to PCs, printers and other devices
• Calibration: Some Ohaus Pioneer models come with InCal internal calibration

Who Needs Pioneer PX

• Labs and educational institutions that require reliable accuracy and precision for repeatable results
• Budget-conscious organizations looking for a good quality weighing balance for simple weighing tasks
• Industrial and manufacturing applications that require minimal connectivity and data collection

Ohaus PR

Ohaus PR balances are an entry-level model, designed with affordability and practicality in mind. For basic weighing in education, research labs and industrial processes, PR balances offer exceptional value and reliable performance. They include only those features necessary to conduct routine weighing tasks, without the added cost that comes with more advanced models like Explorer and Adventurer. PR precision and PR analytical balances are easy-to-use, reliable and make a great option for general education and industrial weighing procedures.

Features

• Capacity Range: Models available from 62g to 6200g
• Clear LCD Display: A large, backlit LCD ensures clear readings even in low-light conditions
• Weighing Modes: Capable of performing basic weighing, parts counting and percent weighing
• Connectivity: RS232 communication to connect to PCs, printers and other devices
• Calibration: Several models available with InCal internal calibration which makes verification quick and easy

Who Needs PR

• Education, research and industrial use for basic weighing with simplicity in mind
• Good for smaller budgets without compromising quality and reliability

Where to Buy Ohaus Balances

Choosing the right Ohaus balance depends on your application’s specific requirements, including data management needs, capacity, functionality, and budget. You can rely on the professionals at Scales Plus to help guide you through the selection process, ensuring you get the right balance at the right price. 

Scales Plus is a leading Ohaus distributor and an authorized OHAUS Service Center. Our team of customer service representatives and technicians are able to provide exceptional levels of support, with extensive training and experience. Get the best deals, support and service from a leader in weighing.