Geonor - Model P-520N -Vibrating-wire Frequency Counter
FromGeonor AS
The P-520N frequency counter is the read-out instrument for all GEONOR vibrating-wire transducers. The counter is designed for use in situ and is enclosed in a rigid aluminium housing. The display shows the frequency of vibration in 0,1Hz, which has to be calculated to physical units using a calibration table. It is powered by a rechargeable 12 V NiCd battery.
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P-520N Frequency Controller for "Oscillating String"
- Designed for use during installation of pore pressure gauges in the field.
- Lightweight and compact design.
- Low battery consumption means long operating time.
- Easy to use with a large illuminated display.
- Designed for rugged field use
- Compact low weight enclosure
- Low battery power consumption makes an ideal indicator for field investigations
- Designed to serve all GEONOR vibrating-wire transducers
- Simple operation achieved with four push buttons
- Large backlight display
- No adjustments to be done by user
- Delivered with battery charger, signal leads and user manual
- Power: 220 V AC (110 V AC optional)
- Frequency range: 700-3500 Hz
- Accuracy: ± 1 Hz, display in 0.1 Hz intervals
- Battery: 12 V NiCd 270 mAh
- Charging time: 10-16 h
- Max. operating time: 20 h
- Environmental: Splash proof
- Dimensions: 225x110x35 mm
- Temperature range: From -10°C to +50°C
- Weight: 430 g
- Material: Aluminum housing