RxTx Remote Reading Dam Pendulum Station

The RxTx Telependulum optically measures the relative position of a pendulum wire in the X, Y and the optional Z axis.


The RxTx Telependulum is a highly sophisticated and precise optoelectronic horizontal and vertical displacement measurement device. More specifically, the RxTx measures the relative position of a pendulum wire in the X, Y and Z axis (Optional).

It includes a built-in datalogger enabling readings to be taken and stored remotely. Two communication ports enable data to be transmitted to remote locations via an optional modem. All commands can be executed locally through the other console port or remotely via either dedicated or switched telephone links over a communications network.

The RxTx Telependulum offers the user a highly precise and stable digital instrument that comes in a compact, sturdy and weatherproof cabinet. Equipped with a very practical slot it can be installed without dismantling the pendulum system, whether standard or inverted.

Data storage capacity 370 readings on non-volatile RAM.
Each reading contains: date, time and X, Y and  optional Z displacement
Resident software EPROM
Time keeping Real-time clock
Console Weatherproof
Operating temperature −10°C to +40°C
Relative humidity Up to 95%, non-condensing
Dimensions 360 × 380 × 130 mm
Weight 10 kg
Power 9 VA
Voltage 117 Vac
Frequency 60/50 Hz ±10%
Options DC power supply, auxiliary power pack
Communication ports RS232C, V.24
Console port 9600 bit/s
Modem port HAYES™-compatible 2400 bit/s
Option 9600 bit/s modem
Sensor CCD
Precision ±0.05 mm
Resolution 7.5 μm
Measurement axes X, Y, Z (Optional)
Range 50 × 50 × 25 mm
Drift Digital