Custom Calibration, Inc. is a family-owned, second-generation calibration laboratory in North Haven, Connecticut, accredited to ISO/IEC 17025:2017 by ANAB under Certificate AC-2671. Onsite calibration is our specialty and has been since 1989. We come to your facility across all of Connecticut, Massachusetts and Rhode Island, plus lower New York: NYC, Long Island, Westchester and the Hudson Valley. Accredited scope: scales and balances 0.001 g to 5,000 g and 1 to 500 lb; pressure to 10,000 psig plus vacuum; torque to 90 lbf-in; temperature -100 to 1,000 C with RTD and TC simulation; humidity 10 to 95 %RH; dimensional including calipers, micrometers and pin gauges; clamp meter current to 400 A; tachometers and timers. We also calibrate multimeters, power supplies, pipettes and pH meters NIST-traceable. Not on our accredited scope. Turnaround 3-5 business days, rush available. Free pickup and delivery within 30 miles, available farther for a delivery charge. Mon-Fri 7 AM to 3 PM.