Phase 1 — Essential
The recommended starting point for every Cambridge school. These 11 Go Direct® sensors cover Physics, Chemistry, and Biology across both AS and A2 levels. The Temperature Probe alone powers 110 experiments. Phase 1 achieves 87%+ Cambridge syllabus coverage.
87%
topic coverage
432
experiments
11
sensors
Coverage by Subject
Experiments unlocked per subject with this kit.
Physics
123
experiments
Chemistry
194
experiments
Biology
115
experiments
Sensors in this kit
11 Go Direct® wireless sensors — no cables, no interface box.
EssentialGo Direct Temperature Probe
GDX-TMP
110 experiments
EssentialGo Direct SpectroVis Plus
GDX-SVISPL
53 experiments
EssentialGo Direct pH Sensor
GDX-PH
46 experiments
EssentialGo Direct Voltage Probe
GDX-VOLT
38 experiments
EssentialGo Direct Motion Detector
GDX-MD
30 experiments
EssentialGo Direct Gas Pressure Sensor
GDX-GP
30 experiments
EssentialGo Direct Conductivity Probe
GDX-CON
30 experiments
EssentialGo Direct Force & Acceleration
GDX-FOR
28 experiments
EssentialGo Direct Current Probe
GDX-CUR
24 experiments
EssentialGo Direct CO2 Gas Sensor
GDX-CO2
23 experiments
EssentialGo Direct Dissolved Oxygen Probe
GDX-ODO
20 experiments
Subject × Sensor breakdown
| Sensor | Physics | Chemistry | Biology | Total |
|---|---|---|---|---|
Go Direct Temperature Probe GDX-TMP | 18 | 73 | 19 | 110 |
Go Direct SpectroVis Plus GDX-SVISPL | 35 | 18 | 53 | |
Go Direct pH Sensor GDX-PH | 33 | 13 | 46 | |
Go Direct Voltage Probe GDX-VOLT | 25 | 13 | 38 | |
Go Direct Motion Detector GDX-MD | 30 | 30 | ||
Go Direct Gas Pressure Sensor GDX-GP | 1 | 18 | 11 | 30 |
Go Direct Conductivity Probe GDX-CON | 18 | 12 | 30 | |
Go Direct Force & Acceleration GDX-FOR | 26 | 2 | 28 | |
Go Direct Current Probe GDX-CUR | 23 | 1 | 24 | |
Go Direct CO2 Gas Sensor GDX-CO2 | 1 | 22 | 23 | |
Go Direct Dissolved Oxygen Probe GDX-ODO | 2 | 18 | 20 |
Want to see all Cambridge sensors first?
Browse 525 Cambridge experiments.
Every experiment mapped to its Cambridge AS & A Level chapter — filter by subject to see exactly what your students will run.





