Kuhlman Instrument Co
54 E Summit St, Norwalk, OH 44857
Phone: 419-668-9533 Fax: 419-668-2179
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For over 45 years Kuhlman Instrument Company has become the standard in the pressure testing industry. We pride ourselves in accuracy, dependably and quality.

Kuhlman Instrument has added a Privacy Policy. You can read it here

All of our instruments are American made and manufactured, starting with the 1500 through the 5000 electronic. Our instruments are easy to use, ruggedly constructed and stay the course for years of service.

Located in Norwalk, Ohio nestled between Toledo on the west and Cleveland to the east. Our craftsmen assemble and test each instrument before shipment. This location also provides an excellent service department for our entire line of products. Our qualified staff will assist you with a friendly hello and a sincere effort to satisfy you, our valued customers.

Early January of 2006 Kuhlman Instrument will introduce what will become the only traceable electronic pressure testing instrument on the market today. The ULTRA K3 with revolutionary features will carry you and your employees well into the future. This extremely well engineered and manufactured instrument is designed to meet the needs of a wide range of end users.

The ULTRA K3 incorporates features that are currently unavailable in the timed pressure testing marketplace.


CSA Approved (Canadian Standard Association) Class 1, Div 1 and Group D (Intrinsically Safe). NIST Certificate Available, Software included.

Dual Pressure Ranges

0-5 (H2O, OSi, Psi, KPa) 0-299 lbs (Psi, Mpa) Differential testing, Regulation set points, Accuracy +or- 0.25% of span at room temp.

Storage Capacity

Store up to 99 measurements for later downloading to optional KIC Ultra K3 portable printer or to a personal computer.

Multiple Users

Assigned Pin 0-999, American and Metric display, Up to 25hrs continuous testing, Ease of operation, Real time clock, One year Limited Warranty, High Impact A,B, S, Splash proof enclosure

The ULTRA K3 takes the age old issues of documentation out of the hands of the end user.

It is now possible to down load data to a lap top or thermal printer with NIST accuracy and CSA proven dependable at the job site or store for later handling.

The ULTRA K3 positions Kuhlman and its customers well into the 21st century as the leader in traceable electronic pressure testing instrumentation

We have been your partner for over 45 years and plan to continue this partnership with cutting edge, innovating instrumentation starting with the Ultra K3.

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