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Model GK-401 Vibrating Wire Readout | Discontinued

  • Model GK-401 Vibrating Wire Readout Box (this product has been discontinued).

The Model GK-401 is designed for use with all of GEOKON vibrating wire gauges and transducers in all kinds of weather conditions and comes with a battery charger, patchcord and manual. Instrument data is manipulated to provide a readout directly in engineering units or in units proportional to pressure, load, etc. A special intrinsically safe version is available for use in methane-air mixtures.

The Model GK-401 has been replaced by the Model GK-405 Vibrating Wire Readout and Model GK-404 Vibrating Wire Readout Box (Hand-held).


Excitation Range
400 Hz to 6000 Hz, 5 Volt Square Wave
0.1 µs
Timebase Accuracy
±50 ppm
Temperature Range¹
−10°C to +50°C
L × W × H
165 × 100 × 215 mm

¹Low temperature versions (to −30°C) available on request.

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.