New and Recent Products

RMS & DC BoardThe RMS and DC Voltage board lets the user compare the brightness of a lamp when operating from AC & DC. The AC is adjusted until the brightness is the same for both supplies. At this point the energy being delivered to the lamp by both supplies is the same. A scope is then used to compare the peak AC and the DC voltages.

Sound Control UnitThis unit was designed to show an interesting way of operating our Relay board.

You can control lamps and motors with the snap of your fingers OR replace the microphone with a phototransistor then control the lamp or motor with your TV remote.
Click for more info.

Elastic CordFive different diameter elastic cords are now available for investigating standing waves using our vibration generator.

Spiral Light GuideThe Spiral Light Guide has been designed to show internal reflection and refraction.
Click for more info.


Opto SourceThis bright source consisting of 9 LEDS lets basic optic work be done in the daylight. Clearly shows the image invertion in the vertical and horizonal planes. No more working with candles or carbon filament lamps.
Click to view more images and further information.

PyranometerThis instrument is designed for field measurements of global solar irradiance. The Pyranometer is supplied with a digital display for direct readout of the irradiance in watts per square meter. Two 4 mm sockets are provided so that the signal can, if required, be used by a datalogger.

Free Fall ReleaseFalling Ball Release Mechanism

Used in conjunction with our Timing Plate makes the 'g by free fall' experiment very easy to set up.


  © djb microtech ltd
Oxygen Sensor TSA Mark 2 Light Bridge