Globe Scientific Bottle Top Dispenser Calibration Tool - GBTD-CALTOOL | For Diamond SureFlow

A dispenser that drifts out of calibration costs you more than a few microliters — it costs you confidence in every result downstream. The Globe Scientific Bottle Top Dispenser Calibration Tool (GBTD-CALTOOL) is the dedicated single-tool solution for verifying and adjusting the volume accuracy of any Diamond SureFlow bottle top dispenser. Instead of sending your dispenser out for third-party calibration service or improvising with generic hex keys, this purpose-built tool interfaces directly with the SureFlow's calibration mechanism for fast, in-house adjustments. The Diamond SureFlow piston design already preserves calibration through cleaning and disassembly, but when environmental changes, extended use, or a switch to reagents with different viscosities require a volume correction, the GBTD-CALTOOL lets you make precise adjustments at the bench in minutes. Compatible with all standard (GBTD) and recirculation (GBTD-R) Diamond SureFlow models across every volume range.

Features and Benefits

• Purpose-Built for Diamond SureFlow: Engineered specifically for the SureFlow calibration mechanism — not a generic tool adapted from another application. This ensures correct engagement with the adjustment interface and reduces the risk of over-tightening or damaging the calibration assembly.

• Single-Tool Recalibration: One tool is all you need — no multi-piece calibration kits, no specialized jigs. Keep it in a drawer at your dispensing station for immediate access whenever a volume check is needed.

• Universal SureFlow Compatibility: Works with every Diamond SureFlow dispenser in the lineup — standard models (GBTD-2.5 through GBTD-100) and recirculation models (GBTD-R-2.5 through GBTD-R-100).

• Eliminates Third-Party Service Downtime: Perform calibration checks and adjustments in-house at the bench instead of shipping dispensers to an external calibration service, minimizing instrument downtime in busy laboratories.

• Compact and Durable: Small enough to store in a bench drawer or hang on a pegboard. Built to last through years of periodic calibration checks across multiple dispensers.

Specifications

Laboratory Applications

• Routine calibration verification for pharmaceutical QC and GMP laboratories where dispensing accuracy must be documented and traceable as part of standard operating procedures

• In-house calibration adjustment after switching between reagents with significantly different viscosities, such as moving from aqueous buffers to glycerol-based solutions

• Centralized equipment management in multi-lab facilities where a lab manager maintains calibration schedules for multiple SureFlow dispensers across different departments

Frequently Asked Questions

Do I need the GBTD-CALTOOL to clean my Diamond SureFlow dispenser?
No. The SureFlow's piston can be removed, cleaned, and reinstalled without any tools and without affecting calibration. The calibration tool is only needed when you want to actively adjust the dispensing volume — for example, after a gravimetric check reveals the dispensed volume has drifted outside your acceptable tolerance.

How often should I recalibrate my bottle top dispenser?
Calibration frequency depends on your laboratory's quality requirements and how frequently you switch reagents. Many labs perform a gravimetric volume check monthly or quarterly. If the check shows the dispenser is within tolerance, no adjustment is needed. The calibration tool should be on hand for when an adjustment is required.

Does this calibration tool work with all volume ranges of the Diamond SureFlow?
Yes. The GBTD-CALTOOL is compatible with every Diamond SureFlow dispenser in both the standard (GBTD) and recirculation (GBTD-R) series, from the smallest 0.25–2.5 mL model to the largest 10–100 mL model.

Quality Assurance

Globe Scientific products are manufactured under strict ISO 9001:2015 certified quality systems. Designed to meet the demanding requirements of clinical and research laboratories, these products undergo rigorous inspection to ensure consistent performance and reliability.

Academic and Institutional Pricing

LabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.