BSI Controls (Buck Sales Inc.)
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The manufacturing of these precision pressure gauges and calibrators has been relocated from Germany and are now being done in the U.S. by WIKA Instrument Corporation. They are certified to NIST Standards before shipment. The Certificate of Calibration is included at no additional cost

Series 300 6" Dial High Precision Absolute Pressure Gauges

For most routine test and production uses, this capsule-type gauge offers an  acceptable balance among size, readability, accuracy, and price. Available in  nine standard ranges, the Series 300 is convenient to use. Absolute pressure is applied to the case and readout is direct without barometric correction.  Readings are referenced to zero absolute.


Size: 6" dial

Scale length: 16"

Range: To 30 psia

Accuracy: 0.33% of full scale

Sensitivity: 0.2% of full scale

Case pressure and volume: 15-psig maximum, 395-cc volume with an optional, overpressure relief valve available to protect the case.

Maximum case leak rate: Will not exceed 1.44 x 10-5 std cc/sec or 0.0019 psi/hr.

Case connection: 1/8-inch female NPT with built-in stainless steel filter. Connection located on back of case.

Case construction: Forged aluminum with tempered-glass dial  covers. Flush mounted by three screws through the bezel.

Material exposed to measured gas: Aluminum, beryllium copper, brass, stainless steel, nylon, E.P.R. Monel, lead, nickel-plated phosphor bronze, soft or silver solder, synthetic sapphire, paper, epoxy cement, TFE, nickel silver, nickel plating, drawing ink, Duco lacquer.


Series 300- 6" Absolute Pressure Gauge

Range & Calibration Ordering Number Graduation
0.1-20 mm Hg 61C-1D-0020 0.1 mm
0-50 mm Hg 61C-1D-0050 0.2 mm

0-100 mm Hg


0.5 mm

0-200 mm Hg 61C-1D-0200 1.0 mm
0-410 mm Hg 61C-1D-0410 2.0 mm
0-800 mm Hg 61C-1D-0800 5.0 mm
390-800 mm Hg 61C-1D-0390 2.0 mm
0-15 psia 61C-1A-0015 0.1 psia
0-30 psia 61C-1A-0030 0.2 psia

download the full datasheet

(PDF format)


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