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Customer Service

Monarch's Unsurpassed Customer Service

Monday – Friday, 8:30 AM - 5:00 PM (EST)

800-999-3390 / 603-883-3390


Our Customer Service is a great source of pride for Monarch Instrument. Our team takes the time to listen and respond to all questions. Whether submitting an RMA or looking for the right cable for your Monarch device, our specialists are here to help.

Customer Service is your go-to for:

Calibration – if your Monarch device needs recalibration, contact Customer Service for a quote. 

Return Material AuthorizationRMAs are processed through our website. See below for terms.

Help with replacement parts and accessories – our specialists will point you in the right direction if you’re looking to replace a part or purchase an accessory like batteries or cables. Monarch offers many options, and sometimes it’s hard to know which is best for you. Customer Service can even help you with legacy products!


Terms for RMAs: Unless NET30 terms have been preapproved or established, all repairs and calibration requests are prepaid in the form of company check or major credit card.