Chatillon DG Series Analog Dial Force Gauge

Overview

The Chatillon DG Series Analog Dial Force Gauge is a mechanically operated, precision-engineered force measurement instrument designed for routine tensile and compressive force testing in quality control, production line verification, and basic materials characterization. Based on the proven principle of helical spring deflection and mechanical gear amplification, the DG gauge converts applied axial load into proportional angular displacement of a needle across a calibrated analog dial—enabling direct, real-time, zero-power force readout without electronics or software dependency. Engineered for durability and long-term repeatability, the DG series delivers ±0.5% full-scale accuracy across its entire operating range, with maximum capacity options extending up to 2.5 kN (500 lbf). Its robust all-metal housing, corrosion-resistant anodized aluminum bezel, and sealed internal mechanism ensure reliable performance in industrial environments where electromagnetic interference, battery constraints, or regulatory restrictions on digital instrumentation may limit alternative solutions.

Key Features

• Mechanically driven analog dial display with high-contrast black-on-white scale and luminous pointer for rapid visual interpretation under varied lighting conditions
• Full-scale accuracy of ±0.5% FS, traceable to NIST-certified standards via accredited calibration laboratories
• Available in multiple capacity ranges—from 10 N (2.25 lbf) to 2.5 kN (500 lbf)—with corresponding dial graduations optimized for resolution and readability
• Integrated dual-direction (tension/compression) loading capability; compatible with standard Chatillon mounting fixtures, test stands, and manual handles
• No power source required—ideal for field use, hazardous locations (non-intrinsically safe but inherently spark-free), and environments governed by strict electromagnetic compatibility (EMC) requirements
• IP54-rated enclosure provides protection against dust ingress and water splashes during typical workshop or laboratory handling

Sample Compatibility & Compliance

The DG Series is compatible with a broad spectrum of physical samples requiring static or quasi-static force evaluation—including metal fasteners, elastomeric seals, plastic snap-fits, textile seams, adhesive bonds, and packaging closures. It supports both handheld operation and integration into vertical test frames (e.g., Chatillon DFS Series) for controlled rate-of-load application. While the instrument itself does not generate electronic audit trails, its analog output satisfies ISO 9001:2015 clause 7.1.5.2 (monitoring and measuring resources) when used within a documented calibration and maintenance program. Calibration certificates per ISO/IEC 17025 are available upon request. The device complies with ASTM E4 (Standard Practices for Force Verification of Testing Machines) and meets general requirements for mechanical gauges referenced in USP (Force Measurement Devices for Pharmaceutical Packaging Testing).

Software & Data Management

As a purely analog instrument, the DG Series does not incorporate embedded firmware, Bluetooth connectivity, or data logging functionality. However, it is fully interoperable with third-party digital capture systems—including USB-connected cameras paired with image-based gauge reading software (e.g., VisionGauge® or custom OpenCV pipelines), as well as analog-to-digital converter modules interfaced with LabVIEW or MATLAB for time-synchronized force recording. For regulated environments requiring 21 CFR Part 11 compliance, users may implement procedural controls—such as dual-operator verification of dial readings, contemporaneous handwritten log entries, and periodic photographic documentation—to satisfy ALCOA+ data integrity principles. Calibration records must be retained for minimum periods defined by internal quality policies or industry-specific regulations (e.g., automotive PPAP, medical device design history files).

Applications

• Verification of torque-to-yield behavior in bolted joints using pull-off adapters
• Peel strength assessment of pressure-sensitive adhesives per ASTM D903
• Breakaway force testing of syringe plungers and IV connector luer locks
• Tensile strength validation of braided cables, surgical sutures, and orthopedic fixation wires
• Compression testing of foam density samples and gasket resilience per ISO 1856
• Educational demonstrations of Hooke’s Law and elastic limit determination in undergraduate mechanics labs

FAQ

Is the DG Series suitable for dynamic or high-speed force measurements?
No—the DG gauge is designed exclusively for static or slow-ramp (quasi-static) loading. Rapidly varying loads may induce needle oscillation and compromise reading stability; for dynamic applications, consider Chatillon’s digital DF Series or motorized test systems.
Can the DG gauge be recalibrated in-house?
Recalibration requires certified deadweight standards and environmental controls (temperature, vibration isolation); therefore, it is recommended only for facilities with ISO/IEC 17025-accredited metrology labs. Field verification using traceable check weights is permissible between formal calibrations.
Does the DG Series meet FDA or EU MDR requirements for medical device testing?
The instrument itself is not a medical device but a general-purpose metrological tool. Its use in regulated medical testing is acceptable provided calibration, traceability, and procedural documentation align with GMP Annex 11 and MDR Article 10 requirements for measurement equipment.
What accessories are required for benchtop mounting?
Standard configurations include a threaded rear adapter (M6 or ¼”-20) for attachment to Chatillon DFS test stands, universal mounting plates, and interchangeable hooks, compression platens, and jaw fixtures—all sold separately under Chatillon part numbers DGA-xxx.