H33-10 DIGITÁLIS KIJELZÕ

Cikkszám: H33-10

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DESCRIPTION

The digital indicator may be battery powered or mains powered using the standard power adaptor supplied. The power adaptor is intended for world-wide use and has four interchangeable plugs to suit all regions. The unit can operate on 110 Volts or 230 Volts at 50Hz or 60Hz.

When connected to an appropriate probe, the unit will indicate frequency of the pulses from the propeller that can be converted to water velocity using the calibration chart supplied with the probe. The unit can be programmed to read water velocity directly in units of cm/sec by entering a calibration constant for the probe in use (obtained from the chart supplied with each probe). Alternatively the unit can be programmed to count the pulses continuously, allowing averaging of the velocity measurement over a longer (user defined) period.

A 0-5 V DC output allows the unit to be connected to a suitable data logger to provide a permanent record of the variations in water velocity with time. A co-axial lead, 3 metre long, is supplied with the digital indicator for connecting it to any of the miniature propeller probes described above.

SPECIFICATION

Power: Four AA rechargeable batteries (supplied)

Battery: life Typically 300 hrs on full charge

Display: 3-digit liquid crystal

Controls: On/off switch, sample time switches for 1 and 10 seconds

Input: Miniature socket for co-axial cable from probe

Output: 0-5V DC

Case size: 190 x 136 x 55mm overall

Weight: 0.55kg with batteries fitted

Case Material: Moulded ABS plastic

REQUIREMENTS

AC mains: 100 - 250V AC, 50 - 60Hz (For recharging batteries only)

ACCESSORIES

H33-11 Data Logger (for use with H33-10)

The data logger allows the voltage output (measured frequency / fluid velocity) from the digital indicator to be logged using a PC. Windows based software is included to display tables and graphs of the logged data and allows the data to be saved or exported to a spreadsheet.

The system uses the Armfield IFD5 Interface Device that digitises the analogue input and transfers the data to the computer using a USB interface, requiring no additional hardware in the PC. Therefore any PC, including notebook versions, may be used.

The data logger comprises the interface device, software on CD-ROM and connecting leads.

ESSENTIAL EQUIPMENT REQUIRED

Personal computer with USB interface, running Windows 98 or above.

SHIPPING SPECIFICATION

H33-10:

Volume: 0.1m³

Gross Weight: 5 kg

H33-11:

Volume: 0.1m³

Gross Weight: 5 kg