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Dear Netter,
We recently purchased a load cell (10 lb capacity) from Transducer
Techniques (Temecula, CA) to measure a small reaction force (maximum of 1.5
lb) in the indentation stress relaxation experiment on articular cartilage.
After an indentation experiment, the load cell showed an unstable response
with a high offset signal. We called the company and talked to the product
manager about this. They told us that the transducer was overloaded and
mechanically damaged. They told us that the load cell is not salvagable,
and suggested that we better purchase a new load cell. With a great
disappointment, we purchased another same cell from them. After just one
indentation experiment with the maximum of 1.5 lb loading (with an
extraordinarily careful handling), the load cell showed the same bizarre
response with a high offset signal. We called the company about the
failure of the second load cell, and they told us that the transducer was
overloaded again, which we feel was impossible. Furthermore, we found that
the technical support of the company was very superficial to figure out
what's wrong with the load cell, and why the load cell suddenly
demonstrated a significantly unstable response.
We originally chose Transducer Techniques product because the price is
less than the others. But, after all, we found that we got what we paid
for. I am wondering if any of you had a similar experience with Transducer
Techniques. And, could you recommend a low capacity load cell with a good
quality?
With a lot of curiosity and regards on load cell transducer users,
Jun-Kyo Suh, Ph.D.
Assistant Director,
Musculoskeletal Research Center
Dept of Orthopaedic Surgery
University of Pittsburgh
Pittsburgh, PA 15213
Tel) 412-648-1985
Fax) 412-648-2000
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We recently purchased a load cell (10 lb capacity) from Transducer
Techniques (Temecula, CA) to measure a small reaction force (maximum of 1.5
lb) in the indentation stress relaxation experiment on articular cartilage.
After an indentation experiment, the load cell showed an unstable response
with a high offset signal. We called the company and talked to the product
manager about this. They told us that the transducer was overloaded and
mechanically damaged. They told us that the load cell is not salvagable,
and suggested that we better purchase a new load cell. With a great
disappointment, we purchased another same cell from them. After just one
indentation experiment with the maximum of 1.5 lb loading (with an
extraordinarily careful handling), the load cell showed the same bizarre
response with a high offset signal. We called the company about the
failure of the second load cell, and they told us that the transducer was
overloaded again, which we feel was impossible. Furthermore, we found that
the technical support of the company was very superficial to figure out
what's wrong with the load cell, and why the load cell suddenly
demonstrated a significantly unstable response.
We originally chose Transducer Techniques product because the price is
less than the others. But, after all, we found that we got what we paid
for. I am wondering if any of you had a similar experience with Transducer
Techniques. And, could you recommend a low capacity load cell with a good
quality?
With a lot of curiosity and regards on load cell transducer users,
Jun-Kyo Suh, Ph.D.
Assistant Director,
Musculoskeletal Research Center
Dept of Orthopaedic Surgery
University of Pittsburgh
Pittsburgh, PA 15213
Tel) 412-648-1985
Fax) 412-648-2000
-------------------------------------------------------------------
To unsubscribe send UNSUBSCRIBE BIOMCH-L to LISTSERV@nic.surfnet.nl
For information and archives: http://www.bme.ccf.org/isb/biomch-l
-------------------------------------------------------------------