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lab:pigi:hardware [2014-11-15 09:44] – [Radioactive Test Sources] chrono | lab:pigi:hardware [2023-04-19 13:56] (current) – [High Voltage] chrono | ||
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| < 100 V1.1 | EUR 4,97 | EUR 9,70 | Hand (EUR 0) | 20% | TBD | | | < 100 V1.1 | EUR 4,97 | EUR 9,70 | Hand (EUR 0) | 20% | TBD | | ||
| >= 100 V1.1 | EUR 2,79 | EUR 7,05 | Outsourcing (TBD) | 15% | TBD | | | >= 100 V1.1 | EUR 2,79 | EUR 7,05 | Outsourcing (TBD) | 15% | TBD | | ||
- | | >= 1000 V1.1 | EUR 0,70 | EUR 3,95 | Outsourcing (TBD) | 10% | TBD | | + | | >= 1000 V1.1 | EUR 0,70 | EUR 3,95 | Outsourcing (TBD) | 10% | TBD | |
+ | |||
+ | As we can see, it scales very well with numbers and a non-profit oriented production run could bring many modules to people for less than 20 EUR. If it were sold for more than 25 EUR (fully assembled), someone would really be ripping people off. | ||
===== Assembly Instructions ===== | ===== Assembly Instructions ===== | ||
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| 10M (Fluke-87V internal resistor) | 230V | 230V | | | 10M (Fluke-87V internal resistor) | 230V | 230V | | ||
| 10M + 42.3M (9x 4.7MOhm in series) | 63.7V | 333V | | | 10M + 42.3M (9x 4.7MOhm in series) | 63.7V | 333V | | ||
- | | 10M + 1G ([[http://www.highvoltageshop.com/ | + | | 10M + 1G ([[http:// |
Measured at: [+] Cathode of D1 (pin facing towards R2) [-] Cathode of GM Tube (HV- Pad) | Measured at: [+] Cathode of D1 (pin facing towards R2) [-] Cathode of GM Tube (HV- Pad) | ||
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**Formula** | **Formula** | ||
- | <x> | + | <m> |
V_actual = V_read * {{ R_meter + R_probe } / R_meter} | V_actual = V_read * {{ R_meter + R_probe } / R_meter} | ||
- | </x> | + | </m> |
**Examples** | **Examples** | ||
- | <x> | + | <m> |
63.7V * {{10 MOhm + 42.3 MOhm} / {10 MOhm}} \approx 333V | 63.7V * {{10 MOhm + 42.3 MOhm} / {10 MOhm}} \approx 333V | ||
- | </x> | + | </m> |
- | <x> | + | <m> |
4.56V * {{10 MOhm + 1000 MOhm} / {10 MOhm}} \approx 460V | 4.56V * {{10 MOhm + 1000 MOhm} / {10 MOhm}} \approx 460V | ||
- | </x> | + | </m> |