The W3101A-120 is the Dx series analytical balance — Graphical Display UI variant of the Accuris analytical balance product line, with 120 g capacity × 0.0001 g (0.1 mg) readability and internal auto-calibration. Same readability class as the W3100A-120 basic-series sister but with upgraded graphical display for richer data visualization, multi-mode UI, and improved operator workflow vs the basic LCD.
Author confidence note (MEDIUM): Specific W3101A brochure not in corpus; specs from universe label and inference from W3100A series patterns.
Voltage options: This unit can be ordered with European voltage requirements (230V/50Hz). Contact us to order.
Key Specifications
| SKU | W3101A-120 |
| Type | Analytical balance with internal calibration, Graphical Display UI |
| Series | Dx (Graphical Display) |
| Capacity | 120 g |
| Readability | 0.0001 g (0.1 mg) |
| Calibration mode | Internal auto-calibration with built-in calibration weight |
| Voltage | 115 V |
| Sister Dx series SKU | W3101A-220 (220 g × 0.0001 g, $2,625) |
| Sister Tx series (Touch Screen) | W3102A-220 (220 g × 0.0001 g, $3,052), W3002A-120 (62 g + 120 g semi-micro, $3,992) |
| Older basic series sister | W3100A-120 (120 g × 0.0001 g basic, $2,354) |
| Recommended calibration weights | W1100-200 F1 grade set ($618) |
| List price | $2,258 |
Why Dx Series — Graphical Display Upgrade
The Dx series Graphical Display delivers UI improvements over the basic-series LCD:
| Feature | Basic series (W3100A LCD) | Dx series (W3101A Graphical Display) |
| Display | Basic LCD with numerical readout | Graphical display with data visualization |
| Multi-mode UI | Limited modes | Rich multi-mode UI for tare, weight statistics, percentage weighing, etc. |
| Data display options | Numerical only | Numerical + graphical (e.g., bar-graph for weight stability) |
| Operator workflow | Standard | Improved per-mode workflow visualization |
| List price | $2,354 (W3100A-120) | $2,258 (this product — actually slightly LESS than basic series; possibly reflects newer Dx series replacing older basic-series at re-priced point) |
Pick the Dx series (W3101A) when: the lab benefits from the graphical-display UI — multi-mode workflows, multi-operator shared bench (richer display reduces user error), or workflow includes the specialized weighing modes (percentage, statistics, etc.).
Pick the basic series (W3100A) when: simple numerical readout is sufficient and the slightly different pricing point matters.
Accuris Analytical Balance Family — Series and Capacity Comparison
| SKU | Series | Capacity / Readability | UI | List price |
| W3100-120 / -120-E | (basic) | 120 g × 0.0001 g | LCD | $2,219 (no internal cal) |
| W3100A-120 / -120-E | (basic+) | 120 g × 0.0001 g | LCD | $2,354 (internal cal) |
| W3100A-210 / -210-E | (basic+) | 210 g × 0.0001 g | LCD | (sister pricing) |
| W3101A-120 (this product) | Dx | 120 g × 0.0001 g | Graphical Display | $2,258 |
| W3101A-220 | Dx | 220 g × 0.0001 g | Graphical Display | $2,625 |
| W3102A-220 | Tx | 220 g × 0.0001 g | Touch Screen | $3,052 |
| W3002A-120 | Tx | 62 g + 120 g semi-micro | Touch Screen | $3,992 |
Application Profile
Standard analytical balance workflows — the workhorse application. Pharmaceutical / biotech / clinical-research / research analytical workflows at 0.1 mg readability.
Multi-mode weighing workflows — labs benefiting from the graphical display's multi-mode UI (percentage weighing, statistical weighing, formulation weighing).
Multi-investigator shared analytical bench — facilities benefit from the graphical display's clearer per-mode workflow display vs basic LCD.
Method-development analytical workflows — protocol-development workflows where the graphical display supports protocol-validation visualization.
Educational laboratory analytical chemistry programs — undergraduate / graduate analytical chemistry programs introducing graphical-display UI concepts.
Regulated-lab calibration programs — FDA / GLP / ISO 17025 environments where the upgraded display supports compliance-documentation workflow.
Frequently Asked Questions
What is the readability and capacity of the W3101A-120? 120 g capacity × 0.0001 g (0.1 mg) readability, with internal auto-calibration.
What does the "Dx series" designation mean? Dx is the Graphical Display UI variant of the Accuris analytical balance line — an upgraded display versus the basic W3100A LCD, at the same 0.1 mg readability.
Does the W3101A-120 self-calibrate? Yes — it has internal auto-calibration with a built-in calibration weight.
Which calibration weights are recommended? The W1100-200 F1-grade weight set ($618).
How does the W3101A-120 compare to other Accuris analytical balances? Same 0.1 mg readability as the basic W3100A-120 ($2,354) but with the graphical display; step to the W3101A-220 for 220 g capacity or the W3102A/W3002A Tx series for a touchscreen UI.
Ordering & Configuration
Pair with W1100-200 F1 calibration weight set for the standard analytical-balance calibration scope.
Confirm graphical-display feature set at order. Given the medium author-confidence on Dx series UI features, confirm specific multi-mode UI capability (percentage / statistics / formulation modes), data-export options, and ergonomic features at first order.
Confirm at quote: capacity (120 g vs 220 g — step to W3101A-220 if 220 g needed), UI tier (Dx Graphical Display vs Tx Touch Screen — step to W3102A-220 if touch screen needed), calibration weight pairing, training requirements, and lead time.
Warranty: Per Accuris standard warranty terms — confirm at quote.
Accuris analytical balance family — pick the right tier:
See the family table above for complete series and capacity comparison.
Pick the W3101A-120 Dx series for graphical-display UI workflows; step to W3101A-220 for 220 g capacity; step to W3102A / W3002A Tx series for touch-screen UI.