Brackets and mounts
SKYREAPERS H2S Exposure Dosimeter Watch
- Bounding box
- 192.0 × 44.0 × 10.0 mm
- Engine
- Precision B-rep
- Parameters
- 33
- Published
- September 15, 2026
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The prompt
SKYREAPERS – H₂S EXPOSURE DOSIMETER PROTOTYPE PARTS & DIMENSIONS 1. MAIN WATCH HOUSING Part Name: Watch_Housing Shape: Circular Outer Diameter: Ø44 mm Overall Thickness: 10 mm Front Rim Width: 2 mm Edge Fillet: 1–2 mm Material: 3D Printed PLA/PETG Purpose: Main body of the wristband device. 2. REAR CARTRIDGE RECESS Part Name: Cartridge_Recess Shape: Circular Pocket Diameter: Ø32.4 mm Depth: 1.5 mm Purpose: Holds the removable sensing cartridge. 3. CARTRIDGE ENTRY CHANNEL Part Name: Cartridge_Slide_Channel Shape: Radial rectangular channel Width: 32.2–32.4 mm Length: 6–8 mm Depth: 1.5–2 mm Purpose: Allows the cartridge to slide into the rear recess. 4. REMOVABLE SENSOR CARTRIDGE Part Name: H2S_Sensor_Cartridge Shape: Circular Disc Diameter: Ø32.0 mm Thickness: 1.2–1.5 mm Material: 3D Printed PLA/PETG Purpose: Removable holder containing the H₂S sensing paper, reference scale and expiry indicator. 5. COPPER-BASED H₂S SENSING PAPER Part Name: H2S_Sensing_Paper Shape: Rectangular Length: 18 mm Width: 8 mm Thickness: Approximately 0.2–0.5 mm Purpose: Passive colorimetric sensing element for H₂S exposure. 6. REFERENCE COLOR SCALE Part Name: Exposure_Reference_Scale Shape: Rectangular Length: 20 mm Width: 4 mm Exposure Range: 10–20 ppm Reference Points: 10, 12.5, 15, 17.5, 20 ppm Purpose: Provides a visual reference for estimating the sensor color change. 7. EXPIRY INDICATOR Part Name: Expiry_Indicator Shape: Rectangular Length: 8 mm Width: 4 mm Sections: VALID / NEAR EXPIRY / EXPIRED Purpose: Shows whether the disposable sensing cartridge is suitable for use. 8. TRANSPARENT PROTECTIVE WINDOW Part Name: Sensor_Protective_Window Shape: Rectangular Length: 20 mm Width: 10 mm Thickness: 0.3–0.5 mm Material: Transparent plastic Purpose: Protects the sensing area while allowing visual inspection. 9. CARTRIDGE LOCKING TAB Part Name: Cartridge_Locking_Tab Length: 6 mm Width: 3 mm Height: 1 mm Purpose: Prevents accidental removal of the cartridge after insertion. 10. CARTRIDGE BACKING PLATE Part Name: Cartridge_Backing Shape: Circular Disc Diameter: Ø32 mm Thickness: 1.2 mm Material: PLA/PETG Purpose: Structural base supporting the sensing paper and printed indicators. 11. WRIST STRAP Part Name: Watch_Strap Type: Flexible wrist strap Width: Approximately 20 mm Thickness: Approximately 2–3 mm Length: Adjustable Material: Silicone/rubber Purpose: Secures the device to the worker's wrist. ASSEMBLY ORDER 1. Watch_Housing 2. Cartridge_Recess 3. Cartridge_Slide_Channel 4. Cartridge_Locking_Tab 5. H2S_Sensor_Cartridge 6. H2S_Sensing_Paper 7. Exposure_Reference_Scale 8. Expiry_Indicator 9. Sensor_Protective_Window 10. Cartridge_Backing 11. Watch_Strap FINAL ASSEMBLY Watch Housing ↓ Rear Ø32.4 mm × 1.5 mm Recess ↓ Slide Channel ↓ Ø32 mm Removable Cartridge ↓ Copper-Based H₂S Sensing Paper ↓ 10–20 ppm Reference Color Scale ↓ VALID / NEAR EXPIRY / EXPIRED Indicator ↓ Transparent Protective Window ↓ Locking Tab ↓ Wrist Strap
Parameters
| Name | Value | Range |
|---|---|---|
| Housing OD | 44 mm | 30 – 60 |
| Housing Thickness | 10 mm | 6 – 16 |
| Front Rim Width | 2 mm | 1 – 5 |
| Front Rim Depth | 1 mm | 0.2 – 2 |
| Edge Fillet Radius | 1.5 mm | 0.5 – 2 |
| Cartridge Recess Dia | 32.4 mm | 24 – 40 |
| Recess Depth | 2.5 mm | 1.5 – 5 |
| Slide Channel Width | 32.4 mm | 24 – 40 |
| Slide Channel Length | 8 mm | 4 – 14 |
| Cartridge Disc Dia | 32 mm | 20 – 38 |
| Cartridge Thickness | 1.1 mm | 0.6 – 2.5 |
| Read-out Cutout Length | 20.5 mm | 8 – 28 |
| Read-out Cutout Width | 17 mm | 6 – 24 |
| Backing Disc Dia | 32 mm | 20 – 38 |
| Backing Thickness | 1.2 mm | 0.5 – 2.5 |
| Sensing Paper Length | 18 mm | 5 – 26 |
| Sensing Paper Width | 8 mm | 3 – 16 |
| Sensing Paper Thickness | 0.25 mm | 0.1 – 0.6 |
| Reference Scale Length | 20 mm | 5 – 28 |
| Reference Scale Width | 4 mm | 2 – 10 |
| Reference Scale Thickness | 0.12 mm | 0.05 – 0.4 |
| Expiry Indicator Length | 8 mm | 3 – 16 |
| Expiry Indicator Width | 4 mm | 2 – 10 |
| Expiry Indicator Thickness | 0.12 mm | 0.05 – 0.4 |
| Window Length | 20 mm | 5 – 28 |
| Window Width | 10 mm | 4 – 20 |
| Window Thickness | 0.4 mm | 0.2 – 0.8 |
| Locking Tab Length | 6 mm | 3 – 12 |
| Locking Tab Width | 3 mm | 1 – 8 |
| Locking Tab Height | 1 mm | 0.5 – 3 |
| Strap Width | 20 mm | 10 – 30 |
| Strap Thickness | 2.5 mm | 1.5 – 5 |
| Strap Band Length (per side) | 80 mm | 40 – 160 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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