RADWAG MYA 21.5Y.P Microbalance, 21g Capacity, 1µg Readability, Internal Calibration, OIML Class I
RADWAG MYA 21.5Y.P Microbalance — 1 µg Readability with Integrated Pipette Calibration
Precision pipette calibration and ultra-sensitive mass determination converge in the RADWAG MYA 21.5Y.P Microbalance. Resolving down to 1 µg with a 21 g capacity, this instrument supports gravimetric verification of pipettes alongside routine microweighing tasks, making it a dual-purpose asset for quality-focused laboratories.
Key Features
- 1 µg Readability at 21 g Capacity: Provides the resolution needed for microgram-level mass determinations while retaining enough capacity for standard analytical vessels and pipette calibration adapters.
- Built-In Pipette Calibration Mode: Nineteen weighing functions include dedicated pipette calibration routines, eliminating the need for a separate instrument when verifying volumetric delivery devices.
- Automatic Internal Calibration: The motorized internal calibration system engages on schedule or in response to environmental shifts, ensuring sensitivity stays within specification without manual weights.
- Digital Weighing Auditor (DWA): Continuously monitors ambient conditions, leveling status, and calibration intervals, alerting operators before out-of-tolerance situations affect results.
- 10-Inch Touchscreen Interface: Displays live widgets, graphs, and measurement history across multiple configurable screens, reducing the time spent navigating menus during repetitive tasks.
- Automatic Draftshield Doors: Motorized chamber doors open and close consistently to limit air current interference and maintain weighing stability at the microgram level.
Detailed Overview
The MYA 21.5Y.P sits within RADWAG's 5Y microbalance line, leveraging an electromagnetic force restoration sensor optimized for microgram sensitivity. Standard repeatability reaches 1 µg at 5 % of capacity, and linearity remains within ±7 µg across the full range. The ReflexLEVEL system ensures automatic leveling, a critical factor when sub-microgram drift can compromise data integrity. Full 21 CFR Part 11 compliance is embedded in the firmware, supporting electronic signatures, encrypted audit trails, and multi-method user verification through passwords, RFID cards, fingerprint readers, or facial recognition. Connectivity via USB-A, USB-C, HDMI, Ethernet, Wi-Fi, and Hotspot allows seamless data export to LIMS platforms or remote terminals.
Applications
- Gravimetric pipette calibration per ISO 8655
- Microgram-level sample preparation in pharmaceutical R&D
- Reference standard weighing for calibration laboratories
- Environmental particulate analysis on filter media
Why Choose the RADWAG MYA 21.5Y.P?
Laboratories that maintain both microbalance workflows and pipette verification programs benefit from consolidating those tasks on one instrument. OIML Class I certification and automated environmental monitoring ensure regulatory compliance, while the dedicated pipette mode saves time and cost. Add the MYA 21.5Y.P to your cart to unify precision weighing and volumetric verification in a single platform.
| Brand | RADWAG |
|---|---|
| Model | MYA 21.5Y.P |
| Maximum Capacity | 21 g |
| Readability | 1 µg |
| Repeatability (5% Max) | 1 µg |
| Repeatability (Max) | 3 µg |
| Permissible Repeatability (5% Max) | 1.6 µg |
| Permissible Repeatability (Max) | 4 µg |
| Minimum Load | 0.1 mg |
| Verification Unit | 1 mg |
| Tare Range | -21 g |
| Minimum Weight (USP) | 2 mg |
| Minimum Weight (U=1%, k=2) | 0.2 mg |
| Linearity | ±7 µg |
| Eccentric Load Deviation | 7 µg |
| Sensitivity Time Drift | 1×10⁻⁶/Year×Rt |
| Stabilization Time | ~5 s |
| Calibration | internal (automatic) |
| OIML Class | I |
| Leveling System | automatic - Reflex Level System |
| Pan Size | ø26 mm |
| Weighing Chamber Dimensions | ø90×90 mm |
| Weighing Chamber Doors | automatic |
| Display | 10″ touchscreen |
| Connectivity | USB-A ×2, USB-C, HDMI, Ethernet, Wi-Fi®, Hotspot |
| Operating Temperature | +10 — +40 °C |
| Operating Temperature Change Rate | ±0.3°C/1h (±1°C/8h) |
| Relative Humidity | 40% — 80% |
| Relative Humidity Change Rate | ±1%/h (±4%/8h) |
| Net Weight | 9.1 kg |
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