10 Best Practices for Using Electrical Test Equipment in Hazardous Environments
In today’s industrial landscape, the task of testing electrical equipment
August 19, 2025
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Celebrating over 75 years as a manufacturer of electronic test equipment, delivering products that provide solutions for a wide range of applications with superior performance and reliability.
15 Jonathan Drive, Unit 4, Brockton, MA 02301-5566
tel: 508-580-1660
email: sales@krohn-hite.com
Celebrating 76 years as a manufacturer of electronic test equipment, delivering products that provide solutions for a wide range of applications with superior performance and reliability.
15 Jonathan Drive, Unit 4, Brockton, MA 02301-5566
tel: 508-580-1660
email: sales@krohn-hite.com
Every instrument is engineered to deliver exceptionally low distortion and unmatched signal precision, ensuring your data is always reliable.
Our products meet strict lab calibration standards, making them ideal for high-end research, defense, and industrial testing environments.
With decades of experience in analog signal processing, our in-house engineering team provides unmatched product insight and innovation.
Krohn-Hite instruments being returned for repair or calibration must be accompanied by a Return Material Authorization (RMA) number.
To receive an RMA number, please complete the RMA Request below.
A price estimate for the evaluation, repair and/or calibration will be given at the time an RMA number is generated. If damage is severe or test data is required, there will be additional charges.
All instruments are calibrated to NIST traceable standards. All repaired and/or calibrated instruments will be returned with a Certificate of Calibration at no charge. If data is required, an additional charge of $125 for incoming and $125 for outgoing data will be applied. There is a $50 charge per unit for calibration certificates requested after the unit has shipped. Data cannot be provided once the unit has been returned after service.
All Krohn-Hite instruments returned for repair or calibration must include a Return Material Authorization (RMA) number. An RMA number is issued once the RMA Request Form is completed.
When the RMA is issued, you will receive an estimate for evaluation, repair, and/or calibration.
Please note that additional costs may apply if the instrument has extensive damage or if test data is specifically requested.
All calibrations are performed using NIST-traceable standards. Each instrument returned after service will include a Certificate of Calibration at no extra charge.
15 Jonathan Drive, Unit 4, Brockton, MA 02301-5566
tel: 508-580-1660
email: sales@krohn-hite.com
Krohn-Hite: Over 75 years of Innovation in Electronic Test Equipment
Krohn-Hite proudly celebrates Over 75 years as a trusted manufacturer of electronic test equipment, delivering solutions for a wide range of applications with superior performance and reliability.
The company’s journey began in 1949 with the introduction of the Model 410A, an ultra-low frequency, ultra-low distortion oscillator. This innovation set the stage for decades of advancement. In the years that followed, Krohn-Hite earned a reputation as an industry pioneer by introducing several “firsts” in electronic instrumentation:
1950: the first ultra-low variable frequency filter
1952: the first pushbutton oscillator spanning 0.001 Hz to 100 kHz
1954: the first ultra-low distortion 50-watt amplifier
1958: the first direct-coupled power amplifier operating from DC to 1 MHz
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In today’s industrial landscape, the task of testing electrical equipment
Electrical test equipment is essential for ensuring the accuracy and