Bomark Service Bomark Instruments has been calibrating and repairing gas detection and environmental equipment since 1983. We service and calibrate
equipment from RKI, Honeywell, Drager, MSA and more.
We pride ourselves on fast turn around time. Most portable calibrations are completed within 2 days of arriving at Bomark. If you are in a pinch and need a loaner unit, Bomark will do its best to provide you with one. If you are in NY, NJ, and Eastern PA, we can arrange for pickup and drop off.

You can also call us with any questions at


Our business hours are 8 AM-5 PM EST Monday-Friday.

If you need to call us after hours, please leave a message. We will usually get back to you in less than an hour.

Bomark Instruments offers service on all Gas Detection, Noise Monitoring, Indoor Air Quality and Heat Stress Monitor Equipment!

Fill out the form below and we can get started on servicing your equipment. We can service and calibrate any type of equipment, from gas detection and noise monitoring to indoor air quality and heat stress monitors from all of the manufacturers that we sell. We pride ourselves in quick turnarounds, high craftsmanship, and lasting business relationships. Contact us today for service that will ensure your instrument remains in use for years to come!