Control unit for operating the critical potential tubes. Equipped with an output for sawtooth acceleration voltages; adjustable upper and lower limits of the acceleration voltage. Integrated pico-ammeter amplifier for anode current measurement.
Introduction, technology and essential STEM concepts for grades 2, 3 and 4. Includes access to download standards based curriculum with concise projects, worksheets, rubrics, and more. 500 parts and instructions for building 40 different models.
Set of 8 gamma emitting isotopes covering the entire energy range from 32 to 1333 keV. Also includes a mixed source of Cs-137 and Zn-65 which students may use to identify an “unknown” isotope. The set consists of Ba-133, Cd-109, Co-57, Co-60, Cs-137, Mn-54. Na-22 and Cs/Zn
Intermediate Nuclear lab System: Counter, GM probe, stand with sample tray. Radioactive source set includes alpha (Po-210-0.1uCi), betas (Sr-90-0.1uCi and Tl-204-0.25uCi) and gammas (Cs137-0.25uCi & Co-60-1uCi)
Tube holder to support all S series (student) electron tubes for easy and safe operation. The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage.
Tube holder made of robust plastic for holding D-series electron tubes. Stand has a wishbone, 360deg rotating clamp made of heat-resistant plastic. On rubber feet to prevent slipping. Dimensions: approx. 230x175x320 mm3 Weight: approx. 1.5 kg
Scintillation Detectors are complete assembly for gamma spectroscopy applications. The 38x38 mm NaI(Tl) crystal includes PMT and voltage divider. Probe is supplied with a 10-position sample stand, lead shield and cables for connecting directly to the spectrometer
Introduction, coding and robotics, For grades 3, 4 and 5. Includes access to download standards based curriculum with worksheets, rubrics, and more. 200 parts - including software and control unit.Packed in plastic Gratnells storage box.