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How It Works

NAPT Makes the Process Simple

Step
01

Order Kits

Use our simple online order form or call (952) 303-6126.

Step
02

Receive Materials

The NAPT Sponsored ILC-PT Kit & any necessary accessories will be shipped to you. 

Step
03

Submit Data and Review Results

Use the convenient NAPT Customer Portal to submit your test results and access your reports.

Step
04

Ship Artifacts

We’ll provide an address to ship the kit to the next participant. 

Same Tests. Reduced Pricing. Members Save on Every Enrollment

NAPT Fee Structure

Members receive at least a 20% Discount on all purchases.

Service NAPT Member Price Regular Price
NAPT Sponsored ILC/PT * $556 $695
Additional Submittal $100 $125
Self-Managed Intra $316 $395
NAPT Assisted Intra $716 $895
Accreditation Manager $1,036 $1,295
Annual Membership ** $200 N/A

* Purchase multiple ILC-PTs at once to receive larger discounts.  Our members who purchase 3 to 5 ILC-PTs in a single order receive a 25% discount.  Members who purchase 6 to 10 ILC-PTs in a single order receive a 30% discount.  Need to order more than 10.  Contact napt@proficiency.org to setup a custom plan.

** Membership is purchased per location.  For example, if your lab has 4 locations, in order to receive the discount you would purchase the membership for each of the four locations.

For a list of all NAPT Payment Policies and Fee Structure.

Find a Kit

Over 100 NAPT Sponsored Kits to meet your proficiency testing needs.

KITS, Force DUROMETER-218

Durometer

The intent of this ILC/PT is to provide a means for the participant to determine the appropriateness and effectiveness of participant practices, training, and measurement uncertainty relating to calibration of two standard durometers. This ILC/PT Kit contains two standard durometers.

Participants will use their lab practices to perform 16 displacement measurements ranging from 0.020 in to 0.080 in with forces from 40 gf to 4533 gf. Test methods and test reporting are based on ASTM D2240 industry requirements. Measurement values will be appropriate for calibration of similar devices. 

Participants are expected to be familiar with, and have appropriate lab equipment and measurement uncertainties for calibration of similar devices.

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KITS, Force FORCE-203

1,000 lb Load Cell (Compression only)

The intent of this ILC/PT is to provide a means for the participant to determine the appropriateness and effectiveness of participant practices, training, and measurement uncertainty relating to measuring the mV/V output of a force transducer.

Participants will use their lab practices to perform 8 Load Cell force measurements from 100 lbf to 1000 lbf, and Load Cell Input and Output Resistance. The expected uncertainty of this 3 mV/V transducer is largely dependent on the calibration process and equipment used and will vary from 20 µV to 500 µV. 

Participants are expected to be familiar with, and have appropriate lab equipment and measurement uncertainties for calibration of similar devices.

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KITS, Force FORCE-301

1,000 lb Load Cell With Indicator

The intent of this ILC/PT is to provide a means for the participant to determine the appropriateness and effectiveness of participant practices, training, and measurement uncertainty relating to calibrating a small capacity load cell using a digital indicator.

It will read directly in engineering units over the range of 100 to 1000 lbf. The associated uncertainty is expected in pounds and varies with set point and setup method over this range. This ILC/PT Kit contains a 1000 lb Load Cell with Digital Indicator.

Participants will use their lab practices to perform 6 measurements of force. Measurement values will be appropriate for calibration of similar devices. 

Participants are expected to be familiar with, and have appropriate lab equipment and measurement uncertainties for calibration of similar devices.

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KITS, Force FORCE-313

100 lbf Digital Force Gauge

The intent of this ILC/PT is to provide a means for the participant to determine the appropriateness and effectiveness of participant practices, training, and measurement uncertainty relating to calibration of a small capacity force measurement instrument utilizing dead weights. 

Participants will use their lab practices to perform 5 measurements of tension and 5 measurements of compression between 10 and 100 lbf. Measurement values will be appropriate for calibration of similar devices.

Participants are expected to be familiar with, and have appropriate lab equipment and measurement uncertainties for calibration of similar devices.

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KITS, Force FORCE-401

100 lbf Digital Force Gauge

The intent of this ILC/PT is to provide a means for the participant to determine the appropriateness and effectiveness of participant practices, training, and measurement uncertainty relating to calibration of a small capacity force measurement instrument utilizing dead weights. 

Participants will use their lab practices to perform 5 measurements of tension and 5 measurements of compression between 10 and 100 lbf. Measurement values will be appropriate for calibration of similar devices.

Participants are expected to be familiar with, and have appropriate lab equipment and measurement uncertainties for calibration of similar devices.

Show Details Enroll

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Proficiency Testing is Crucial

Proficiency testing plays a vital role in a lab’s quality assurance efforts and is required by major accrediting bodies. Routine testing can also benefit your lab in multiple other ways.

  • Maintain Accreditation
  • Ensure Technical Competence
  • Uphold Quality Standards
  • Monitor Lab Performance
  • Improve Processes
  • Maintain Accreditation
  • Ensure Technical Competence
  • Uphold Quality Standards
  • Monitor Lab Performance
  • Improve Processes