Additional information
| Brand | HR Wallingford |
|---|
Digital Point Gauge (0-585 mm)
The digital point gauge measures steady state water levels on physical models. Conventionally this is done by using a small point or hook which is manually adjusted to touch the water surface and then a reading is taken using a scale or vernier. Our digital point gauge works in the same way but has a battery operated LCD display that makes it extremely easy to read. A quick release device allows fast positioning of the point to the water surface, and the final fine adjustment is made with a screw thread. The display reads directly in millimetres and can be set to zero at any position to allow relative measurements to be easily made.
Product range
The range of this product is 0 to 585mm. It is also available in the ranges 0-435mm and 0-285mm.
Key features
- Simple to use
- Versatile display unit
- Rugged design
- Easy to read
Specification
- Range: 585 mm
- Resolution: 0.01 mm
- Accuracy: 0.05 mm
100% Original and qualityRelated products
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Marine, Naval, Hydrodinamic and OceanographWave Gauge System – 8 Channels
The wave gauge system is a simple and reliable device for measuring rapidly changing water levels in physical models. When combined with our HR DAQ data acquisition and analysis software it provides a first rate method of measuring wave height in a flume or 3D basin.
Our wave gauge system is suitable for use in:
2D flume
For this configuration, the wave probes are supplied with a mounting block allowing the calibration stem, that is fixed to the wave probe head, to be attached to any vertical surface.3D wave basin
For basins, we have a selection of tripods for using 600 to 1200 mm wave probes. For shallow water up to 1 m depth, a smaller stand to fit 300 mm wave probes is available.Product features:
- Extremely linear output
- No hysterisis
- Reliable, proven design
- Easily calibrated
- Longer distances from the data acquisition PC can be achieved by linking two wave probe cases together
- Multiple wave probe cases can be used in the digital network to meet the desired number of wave probe channels
- Data can be logged directly into a computer via the network link and analysed using HR DAQ software.
Our wave gauge system includes:
Wave probesEach wave probe comprises two parallel stainless steel rods, each with a plastic head and foot. The wave probes operate by measuring the current that flows between the two rods immersed in water. This current is converted to an output voltage that is directly proportional to the immersed depth. The standard probe lengths are 300, 600 and 900 mm.
Wave probe case
A wave probe case is supplied to accommodate up to eight monitors. This case contains all the necessary signal conditioning, together with an inbuilt analogue-to-digital output that allows the data to be saved directly to a data acquisition PC.
The case is supplied with its own standard plug and power supply for the modules.
If you need to use more than eight probes at the same time, then multiple cases can be linked together so requiring only one computer for configuration.
HR DAQ software
Our wave gauge system can be connected to a computer to collect data. This data can also be analysed using HR DAQ for analysis +/- 10V dc analogue output available for use with other data acquisition systems.
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Marine, Naval, Hydrodinamic and OceanographWater Level Float Gauge – 900 mm
The water level float gauge uses a float which moves up and down a displacement transducer to measure slowly changing water levels, typically in flumes or 3D basins. The water level is determined by accurately measuring the distance from the head of the transducer to the magnetic field produced by a magnet mounted inside the float. The advantage of this method is that there is no contact, and therefore no friction, between the float and the transducer.
The transducer consists of a 10mm diameter stainless steel tube, which contains a stretched magnetostrictive wire. The tube is welded to a stainless steel head which contains all the electronics for the transducer.
Probe length
This product has a 300mm probe. 600, 900 and 1200mm probe lengths are available from this website. Other ranges are available on request.Digital display unit option
The user can choose to purchase their water level float gauges equipped with a digital display unit, which shows pressure in a range of parameters.Key features
- Excellent linearity
- Versatile display unit
- Easy to use
- Rugged design
- Non contacting
Transducer
- Range: 300, 600, 900 and 1200mm (other lengths available on request)
- Transducer diameter: 10.5mm
- Float diameter: 51mm
- Transducer and float material: Stainless steel grade 304
- Linearity: 0.05%
- Response time: less than 1ms
- Transducer supply: 24V DC
- Transducer output: 0-10V DC
- Cable length: 5m (other lengths available on request)
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