Ohaus EX124 Explorer Analytical Balance
Maximum Capacity
120 g
Readability
0.0001 g
Repeatability
0.0001 g
- Large 5.7" full-color VGA touchscreen display for intuitive navigation and control
- AutoCal automatic internal calibration ensures consistent accuracy over time
- Fast stabilization times and enhanced vibration filtering for precise measurements
- Metal base with ABS top housing and stainless steel pan for durability
- Glass draft shield with top-mounted side doors and flip/sliding top door for versatile access
- Four programmable touchless sensors for hands-free operation
- Detachable terminal for added convenience
- RS232 and USB communication ports included
The Ohaus EX124 Explorer Analytical Balance delivers exceptional precision, speed, and user-focused functionality for demanding laboratory environments. With a maximum capacity of 120 g and a readability of 0.0001 g, the EX124 features a high-performance, single-block metal loadcell engineered for repeatability and durability. Each loadcell is individually temperature compensated and tested to maintain accuracy even in challenging conditions, while Ohaus’ AutoCal automatic internal calibration ensures consistent performance with minimal user intervention. The balance stabilizes in just ≤ 2 seconds and supports a minimum USP-compliant weighing threshold of 0.16 g.
Equipped with a vibrant 5.7-inch full-color VGA touchscreen display, the Explorer offers intuitive navigation and customizable settings, including user-definable project and user IDs, selectable calibration points, and up to 14 operating languages. The durable construction includes a metal base, ABS top housing, stainless steel pan, and a glass draft shield with top-mounted side doors and a flip/sliding top panel. Advanced usability features include four programmable touchless sensors for zeroing, taring, printing, and draft shield control, along with an illuminated front-level indicator, weigh-below hook, and calibration lock.
Ideal for a wide range of laboratory applications, the EX124 supports functions like parts counting, percent weighing, checkweighing, pipette calibration, density determination, and statistical analysis. It includes standard USB and RS232 connectivity for seamless data output and compliance with GLP/GMP standards using real-time clock functionality. With robust signal processing and environmental filters to minimize drift, the Ohaus Explorer EX124 stands out as a highly capable, reliable solution for high-precision analytical weighing.
All of our equipment is in excellent condition and will be fully tested to perform at factory specifications before being shipped.
The Ohaus EX124 Explorer Analytical Balance includes:
- > Calibration Label
- > Power Cord
- > Full 180 Day Parts and Labor Warranty
Ohaus EX124 Explorer Analytical Balance Specifications
| Maximum Capacity | 120 g |
| Readability | 0.0001 g |
| Repeatability | 0.0001 g |
| Linearity | ± 0.0002 g |
| Calibration Type | Internal (AutoCal) |
| Stabilization Time | ≤ 2 seconds |
| Minimum Weight (USP, 0.1%, Typical) | 0.16 g |
| Connectivity | USB & RS232 |
| Display | Full-color 5.7 in VGA, touch screen |
| Weighing Units | Gram, Milligram, Kilogram, Carat, Ounce, Ounce Troy, Pound, Pennyweight, Grain, Newton, Momme, Mesghal, Hong Kong Tael, Singapore Tael, Taiwan Tael, Tical, Tola, Baht, Custom Unit 1, Custom Unit 2, Custom Unit 3 |
| Weighing Pan Size | 3.54 in. (90 mm) |
| Dimensions (L x W x H) | 15.5 x 13.8 x 9.1 in. (39.3 x 35 x 23 cm) |
| Weight | 15.2 lb. (6.9 kg) |
| Electrical Requirements | 12VDC, 0.5 A |
- Verify power supply output for precise voltage delivery in accordance with equipment specifications
- Assess full functionality of display and control buttons, replacing any defective or deteriorating components as necessary
- Confirm balance is properly leveled to ensure measurement accuracy and stability
- Examine windscreen glass for cracks or chips, replacing if structural integrity is compromised
- Inspect all internal wiring and electrical connections for secure attachment and check for any loose connections or damaged connectors
- Check power cord integrity, ensuring there are no frays, cuts, or damage affecting function or safety
- Execute internal or external calibration to confirm accuracy of weighing measurements
- Review cosmetic condition, confirming no visible damage or wear that affects functionality
- Verify successful taring of the weighing pan to zero out prior measurements accurately
- Ensure RS232/printer communication functions correctly, validating connection and data transmission (if applicable)
Technician Inspection and Recertification Checklist: Balances
The Following Checklist Is to Be Performed on All Incoming and Outgoing Equipment| Task | Completed? | Remarks? |
| Verify power supply output voltage | Completed | |
| Assess display and control button functionality, replacing faulty components | Completed | |
| Confirm balance leveling for measurement accuracy | Completed | |
| Inspect windscreen glass for cracks, replace if necessary | Completed | |
| Check internal wiring and electrical connections for security | Completed | |
| Inspect power cord for frays or damage | Completed | |
| Execute internal/external calibration for measurement accuracy | Completed | |
| Review cosmetic condition for visible damage | Completed | |
| Verify weighing pan tares successfully | Completed | |
| Ensure RS232/printer communication is functional (if applicable) | Completed |


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