How to Get Your Return Authorization Number:


Having trouble with your PI-101, ISPI-101, HW-101, or DL-101 or HNU DL102? Perhaps you have been neglecting your trusty hnu and are worried about downtime on the job. Relax. PID Analyzers can help!

PID Analyzers asks that you call ahead for an RA# prior to sending in your unit. Dial 1-800-724-5600 X 202. OR

Fill out your own Online RA form here.

Once you have received email confirmation, just send your unit to the service department.

Please send in your unit to:

PID Analyzers, LLC
Attn: Service Department, RA#_____
2 Washington Circle, Unit 4
Sandwich, MA 02563

Tel. 1-800-PID-6828, 1-781-709-2131 Fax 1-781-709-2050

We provide a standard, annual clean and calibration that includes a factory calibration certificate which is valid for one year and very good for your instruments' service record. The clean/calibrate/evaluate charge is $229.00. All parts necessary for proper instrument function are billed at cost. Repair work is billed at an hourly rate of $95.00/hour.

A comprehensive Repair Estimate is faxed to the end user prior to work being performed. If you decline a repair there is a $95.00 evaluation fee per unit and no certificate is provided.

If you have multiple users on the same equipment or work daily/weekly with contaminated soil and/or water please ask us about our service contracts so we can help you maintain a low cost of hnu pid ownership!

Call 1-800-PID-6826 X202.We offer a PID trade in program. Trade-in your old hnu or other manufacturers' PIDs for credit towards the purchase of a new HNU DL102 or 102+. We now offer a ppb mode on the 102.

Email us for more information or to request a quote at

Other HNU instruments that we service: HNU 51, HNU 52, HNU 201, HNU 201-A, HNU 201-B, HNU GC301 and GC301DP, HNU GC321, HNU GC321-A, HNU GC311D, HNU GC311T, HNU EC501, HNU EC501-A, HNU 501-A, HNU GC501-A, HNU GC501-B, HNU XR1000T, Call 1-800-724-5600 X202 for a RA# prior to sending your unit in for service.

We offer Service Contracts on HNU, Process Analyzer and PID Analyzers' products. Call today and inquire about a service contract for your unit 1-800-724-5600 X202.

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