24-hour pipette turnaround and expedited service options
Largest on-site calibration provider in New England
Primary standards support for 200+ calibration labs
Essco Calibration Laboratory, a Transcat Company
Based in Chelmsford, Massachusetts, Essco Calibration Laboratory, a Transcat Company serves customers across Massachusetts, New Hampshire, Rhode Island, Connecticut, Maine, and Vermont.
For more than 50 years, Essco has supported regulated industries including life sciences, pharmaceutical, aerospace, medical device, and general manufacturing. Our team of 65+ trained technicians performs over 135,000 calibrations each year — in our lab, at your facility, or through custom calibration programs built around your requirements.
As part of Transcat’s network of accredited calibration labs across the United States and Canada, Essco customers keep the local team, turnaround, and service they know, now backed by the scope and resources of North America’s leading calibration provider.
Accreditations at our Chelmsford Lab
• ISO/IEC 17025:2017 — NVLAP (Lab Code 200972) • Quality management system meets the principles of ISO 9001:2015
Essco supports the reference standards behind more than 200 calibration labs. When other labs need their own primary standards calibrated, many of them send those standards to Chelmsford.
Lab Specialties
As a full-service calibration and repair lab, our Chelmsford facility provides in-lab, on-site, and custom calibration services while specializing in several advanced disciplines:
RF and microwave calibration to 50 GHz, with most RF capabilities covered under our ISO/IEC 17025:2017 scope, including network analyzer calibrations to 50 GHz
Primary and laboratory standards calibration, including reference multimeters, voltage standards, standard resistors, capacitors and inductors, SPRTs, and a two-pressure humidity standard
Pressure calibration from -14.7 to 30,000 psi at 0.02% of reading or better, with low-pressure capability from 0 to 30 inches of water at ±0.01% of reading
Temperature calibration from -196°C to 1,200°C, plus infrared thermometer and thermal camera calibration from -15°C to 500°C
Environmentally controlled dimensional lab for precision gages and standards, including gage blocks to 20 inches
Automated calibrations using Fluke MET/CAL software for fast, repeatable results
Accredited pipette calibration, in-lab or on-site, with 24-hour turnaround and white-glove courier options
We also offer Reference Level Calibrations in multiple disciplines with faster turnaround than the OEM. Few commercial calibration operations are willing or able to develop the quality systems that allow Transcat to offer ISO/IEC 17025:2017 accredited reference level calibrations. In fact, Transcat is one of a select few commercial calibration operations qualified to be accredited as a Reference Laboratory in the disciplines of Temperature, Electrical, Pressure, Dimensional, Mass and Humidity.
Probes, Dividers & MetersCalibration Services in Houston, TX
Other Metrology Capabilities
Parts inspection and calibration are available with ISO/IEC 17025:2017 Transcat Accredited Quality. In our lab OR onsite at your organization, you can request dimensional analysis for part inspection.
Other Services at the Chelmsford Lab
Online calibration records with EsscoNet
Customers get instant online access to calibration certificates, equipment status, due-date reports, historical records, and invoices.
Transcat's level of expertise and customer service is beyond any I have ever experienced. They are the epitome of a customer-focused organization. I am truly impressed and inspired by their professionalism, courtesy, empathy, and responsiveness.
Alan Thomas, M-TriGen, Inc.
Request a Calibration Quote
Your request will be assigned to a member of our expert sales and customer service team. You should receive a
response within 24 hours. If you need immediate assistance, please call us at (800) 828-1470.
