We calibrate a wide range of instruments all traceable to the National Institute of Standards and Technology (NIST). We can provide field service of your pH and flow measurement system. Building to customer specifications is our specialty. Set up and maintenence services are available. We repair pressure gauges including diaphragm seal gauges. There is no need to replace what can be repaired for half or less the cost of a new unit. You cost will never exceed 50% of what a new replacement cost without your approval. All units repaired are tested over their full range and calibrated to factory accuracy.