Quality Assurance
IANZ Accredited
NZ's Leading Provider
Since 1995
Local Service
Pick up & delivery
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Our Team

Brigitte Sargent

Geosales National Manager

Covers all areas, specialising in Nuclear Density Meters and hand held Civil Engineering QC instruments.

Available outside normal business hours for urgent assistance.

Tim Hunter

Field Services Manager

Covers all areas of Civil Engineering instrument calibration and on-site calibrations including work off-shore.

Specialises in field operations, force and mass calibration (universal testing machines, compression machines, load cells, force gauges, balances etc).

Juan Luiters

Technical Manager - Metrology

Covers all areas of Metrology including alignment and field services.

Specialises in uncertainty of measurement, CMM, Vision systems and advanced programming of measuring machines, complex items requiring dimensional analysis and quality assurance.

Agnelo Vaz

Senior Metrologist

Covers all areas of laboratory-based Metrology.

Specialises in Nuclear Density Meters, skid resistance testers, engineers tools and complex items requiring dimensional analysis.

Bernard Kriel

Senior Calibration Technician

Covers Civil Engineering QC field equipment calibrations.

Specialises in concrete air meters, impact testers, Schmidt hammers, shear vanes and water level meters.

Herman Wessels

Field Calibration Technician

Covers all areas of civil engineering instrument calibration and on-site calibrations.

Specialises in calibration of load cells and force gauges.

Annalyse Ryan


Covers calibration and repair of hand held Civil Engineering quality control instruments and common engineers’ tools for measuring dimensions such as callipers.

Specialises in Shear Vanes, Impact Testers, Schmidt Hammers and Rules.

Lisa Smith

Customer Service Administrator

Covers all customer queries including repair bookings, calibration, invoicing and pricing queries.

Catherine Roset

Customer Service Administrator

Covers all customer queries including repair bookings, calibration, invoicing, and looks after NDM paperwork and shipments.

Tim Driver

Hire & Sales Advisor

Covers South Island calibrations and general enquiries.