Sunrise Testing & Calibration Centre · Electrical Metrology Division

Electrical Multimeter & Clamp Meter Calibration

Reliable calibration coordination for digital multimeters, analog meters, AC/DC clamp meters, and electrical process indicators. Seamless local intake at Nagpur and Raipur with comparative verification and calibration certificates issued by responsible calibration providers according to the agreed service scope.

Digital Multimeters AC/DC Current Clamps Process Meters & Indicators Physical Intake & Lead Checks ISO 9001 Compliance Support
Udyam: UDYAM-CG-14-0029276 GSTIN: 22AESFS5787A1ZQ Nagpur & Raipur Operating Centres
Service Benefits

Why Regular Electrical Calibration Matters

In industrial facilities, accurate electrical measurement is crucial for personnel safety, motor and drive troubleshooting, energy monitoring, and meeting ISO 9001 quality audit standards.

Operational Safety

Electrical Safety & Protection

Accurate voltage and current verification protects maintenance technicians from misinterpreting live line conditions, supporting statutory electrical safety standards and plant audit protocols.

Quality Compliance

ISO 9001 Clause 7.1.5 Compliance

Clause 7.1.5 requires organizations to ensure that measuring resources remain fit for their intended purpose. Documented calibration records provide verifiable evidence of measurement reliability.

Drift Prevention

Drift Detection & Accuracy

Electronic measuring devices drift over time due to component aging, mechanical vibration, and temperature cycling. Regular comparative testing identifies drift before it impacts plant operations.

Regional Convenience

Local Operating Centres

Drop off your instruments locally at our registered operating centres in Nagpur and Raipur, eliminating lengthy interstate transit and handling risks for your sensitive electrical meters.

Instrument Scope

Instruments & Parameters Coordinated

We coordinate calibration across a broad spectrum of portable and benchtop electrical test instruments through our established network of specialized calibration partners.

Meter Types

Multimeters (Handheld & Bench)

Coordination for standard handheld multimeters used by plant electricians, precision industrial digital multimeters (DMM), and benchtop laboratory meters.

  • Digital multimeters (DMM) with standard & True-RMS capabilities
  • Benchtop digital multimeters used in QA/QC test stations
  • Analog volt-ohm-milliammeters (VOM)
Current Clamps

Clamp Meters & Tong Testers

Non-invasive current measuring instruments used across motor control centres (MCC), power distribution panels, and transformer monitoring installations.

  • AC current clamp meters with current-transformer jaws
  • AC/DC current clamp meters with Hall-effect sensors
  • Power quality and harmonic clamp-on indicators
Parameters

Key Parameters Verified

Comparative testing covers the essential measurement functions utilized during plant routine maintenance and electrical fault finding.

  • DC and AC Voltage verification
  • DC and AC Current measurement (direct and clamp-on)
  • Resistance, continuity, and frequency response
Service Journey

The Electrical Calibration Process

Every electrical instrument follows a clear, traceable protocol from initial intake to certificate delivery, ensuring reliable error analysis and documentation integrity.

Step 01 · Local Intake

Intake & Physical Condition Check

Handled at Nagpur Operating Centre & Raipur Operating Centre

Upon receipt, technicians verify instrument display clarity, casing integrity, battery condition, fuse status, and test lead insulation. The serial number, model, and required calibration parameters are recorded.

  • Visual examination of casing, display segments, and range selector switches
  • Inspection of probe leads and terminal jacks for contact resistance
  • Logging into unique instrument tracking register
Step 02 · Comparative Test

Comparative Multi-Point Testing

Executed using traceable master calibrators at partner laboratories

The instrument is routed to a qualified calibration laboratory where precise reference signals (voltage, current, resistance) are applied across the operational span. Observed readings are recorded against known standard values.

  • Verification across cardinal scale points for each required function
  • Current clamp testing using precision reference coils
  • Controlled ambient temperature and humidity conditions
Step 03 · Error Evaluation

Error Analysis & Data Review

Comparison against manufacturer accuracy specifications

Observed deviations between the instrument reading and the reference standard value are calculated and evaluated against the manufacturer's specified accuracy limits, providing a clear picture of instrument performance.

  • Determination of measurement error across each parameter
  • Verification against stated accuracy class tolerances
  • Review of measurement stability and linearity
Step 04 · Documentation

Partner Certificate Delivery

Official documentation issued by the responsible calibration provider

You receive an official calibration certificate issued by the responsible calibration provider according to the agreed service scope, detailing reference standards used, observed readings, and environmental test conditions.

  • Certificate detailing observed readings and reference equipment
  • Stated measurement uncertainty included per provider scope
  • Calibration status label affixed to instrument casing

Metrology & Coordination Disclosure: Sunrise Testing & Calibration Centre coordinates calibration services through qualified partner calibration laboratories. Reference standards utilized and official calibration certificates are issued directly by the responsible external calibration provider in accordance with the agreed service scope.

Frequently Asked Questions

Electrical Calibration FAQs

Common questions regarding electrical meter intake, calibration certificates, and service coordination.

We coordinate calibration for digital multimeters (handheld and benchtop), analog multimeters, AC and DC clamp meters, tong testers, and electrical process meters. Specific parameters and range details are confirmed during pre-service technical review.

Sunrise coordinates end-to-end service delivery. Instruments can be dropped off directly at our Nagpur or Raipur Operating Centres. We perform physical condition and lead checks, route the apparatus to specialized calibration partner laboratories equipped with traceable reference calibrators, and oversee certificate issuance and safe return dispatch.

Test leads, banana jacks, and probes introduce contact resistance and potential safety hazards if damaged. Physical inspection ensures insulation integrity and eliminates erroneous resistance or millivolt readings before laboratory verification.

You receive an official calibration certificate issued by the responsible calibration provider according to the agreed service scope, detailing instrument identification, reference standards, observed test readings across parameters, and stated measurement uncertainty.

Yes. Plants frequently coordinate consolidated batch submissions during scheduled maintenance shutdowns or annual audits. We assist in organizing instrument lists and scheduling intake at Nagpur or Raipur.

Technical Calibration Coordination

Submit Your Electrical Calibration Requirement

Contact Sunrise Testing & Calibration Centre directly to review instrument lists, parameters, or local intake scheduling.

Technical Metrology Desk

Speak directly with our technical coordination team regarding your multimeter, clamp meter, or plant electrical instrumentation requirements.

Intake & Coordination Hubs

Instruments can be dropped off directly at our registered operating bases in Nagpur and Raipur.

Nagpur Operating Centre

Plot No. 19, 2nd Floor, Hill Road, Gandhi Nagar,
Nagpur, Maharashtra – 440010
Direct Phone: +91 70208 48061

Raipur Operating Branch (Drop-Off Hub)

Harshit Jewels Apartment, B-501, Fifth Floor, Tatibandh,
Raipur, Chhattisgarh – 492099
Direct Phone: +91 93268 02282