What reference standards do you use for pH calibration?
We use NIST-traceable pH buffers (4.01, 7.00, 9.21 at 25°C) with: • Certified accuracy of ±0.01 pH • Documentation of batch certification • Temperature compensation tables • Stability verification for GMP compliance.
How do you handle conductivity calibration for USP Purified Water?
For USP <645> compliance: • Specialized low-conductivity calibration (0.055μS/cm) • Temperature compensation to 25°C • Cell constant verification • Documentation of reference solution traceability • Measurement uncertainty analysis for audit readiness.
Can you calibrate installed process flow meters without removal?
We offer: • In-situ calibration of magnetic flow meters • Clamp-on ultrasonic verification • Minimal disruption protocols • Documentation of field conditions • Compliance with process validation requirements—all without removing meters from service.
What's included in your electrode performance report?
Our comprehensive report includes: • Slope efficiency (%) • Response time • Asymmetry potential • Temperature compensation accuracy • Recommended replacement criteria—with all data traceable to national standards.
How often should water system meters be calibrated?
Recommended intervals: • Critical process pH/conductivity: 3 months • Laboratory meters: 6 months • Validation studies: Pre/post campaign • Based on risk assessment—we provide customized schedules aligned with your water system validation protocol.
What is NABL-accredited electrochemical and flow calibration?
NABL-accredited electrochemical and flow calibration ensures that pH, conductivity, and flow instruments meet precise measurement standards as per ISO/IEC 17025:2017. This is essential for GMP-critical applications to ensure accuracy, compliance, and product quality.
Which instruments can Indivirtus calibrate for electrochemical and flow measurements?
We calibrate pH/ORP meters (0-14 pH, ±2000mV), conductivity/TDS meters (0.01μS/cm-1000mS/cm), and flow meters (0.1mL/min-1000L/min) used in laboratory and process applications.
How does Indivirtus ensure regulatory compliance for these calibrations?
Our calibration services comply with ISO/IEC 17025:2017, USP <645>, EP 2.2.38, FDA 21 CFR Part 11, and WHO TRS 992, ensuring your instruments are audit-ready for FDA, EMA, and other regulatory inspections.
What deliverables are included with your electrochemical and flow calibration services?
Each calibration includes a NABL-accredited certificate, measurement uncertainty analysis, as-found/as-left compliance data, traceability documentation to NIST/NPL, and an electrode performance evaluation report.
How often should electrochemical and flow instruments be calibrated?
Calibration frequency depends on instrument usage, environmental conditions, and regulatory requirements. We provide tailored recommendations to maintain accuracy and compliance for your specific instruments.
Why is electrode performance evaluation important for pH and conductivity meters?
Electrode performance evaluation, including slope verification, ensures that pH and conductivity meters provide accurate and reliable measurements, critical for processes and regulatory compliance.