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Sensor Total Cost of Ownership Calculator

This calculator is based on the Sensor Total Cost of Ownership white paper (https://spaceagecontrol.com/s054a.htm). It allows you to compare the lifetime costs of ownership of two sensors or transducers.

Directions: 1. Enter values into all cells in the Assumptions section and press Set Assumptions. 2. Enter values in all remaining cells based on a quantity of 1 sensor. Then, press Calculate.
Labor Cost Per Hour
Sensor Manufacturer
Sensor Part Number
Invoice Amount
Shipping and Handling
Taxes, Duties, Tariffs
Extended Warranty
Installation Time minutes minutes
Electrical Cable
Electrical Connector
Signal Conditioner
Power Supply
Calibration Cost
Repair and Maintenance Cost
Replacement Cost
A number of cost categories are either difficult to calculate or difficult to compare. In this section click the radio button in the column for the product that has the cost advantage as related to your requirements.
What expenses will there be with unscheduled downtime?
Will lower accuracy result in suboptimum control?
Scheduled Down Time
What costs will be incurred due to sensor maintenance?
Will difficult design cause long learning curves?
Lead Time
Will long lead time delay critical activities?
On-Time Performance
Will a late shipment cause you to incur costs?
Environmental Rating
Will you need to protect the sensor from hazards?
Stocking Requirements
Will long lead time and unreliable shipping cause you to stock spares?
Is training required to use the sensor?
Will you need to spend excessive time hunting down product details?
Customer Service
Will unanswered inquiries cause you downtime?
Technical Support
Will a lack of advice cause you to hire a consultant?


Initial Costs (2)
Installation Costs (3)
Ongoing Costs (4)
Total Tangible Costs (2+3+4) 0.00
Intangibles (5) 0 items 0 items

What Is The Purpose of This Calculator?

This calculator provides insight into what the lifetime costs are in purchasing, maintaining, storing, replacing, and otherwise using a sensor or transducer. The results from the calculator can often indicate that the initial purchase costs are just a small fraction of the sensor's lifetime costs. The calculator is a model only that is subject to the assumptions above as well as factors unique to your application.

The calculator does not address the time value of money.

Other calculators:

No Warranties: This calculator and information are provided "as is" without any warranty, condition, or representation of any kind, either express or implied, including but not limited to, any warranty respecting non-infringement, and the implied warranties of conditions of merchantability and fitness for a particular purpose. In no event shall SpaceAge Control, Inc. be liable for any direct, indirect, special, incidental, consequential or other damages howsoever caused whether arising in contract, tort, or otherwise, arising out of or in connection with the use or performance of the information contained on this Web page.

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SpaceAge Control, Inc.
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38850 20th Street East • Palmdale, CA 93550 USA
661-273-3000 • Fax: 661-273-4240 • email@spaceagecontrol.com
Business hours: Mon-Thu, 06:30 to 17:00 (Pacific time)
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