Description
Bacharach 22-7008 Hygrothermograph Temperature Humidity Recorder Serdex Parts
Mechanical drum chart recorder that documents temperature and relative humidity over time. Uses a clockwork drive mechanism with dual stylus arms to mark data on rotating paper charts.
Specifications & What's Included
- Model: Bacharach 22-7008 (Serdex series)
- Measurement: Temperature and relative humidity
- Recording method: Mechanical drum chart recorder
- Power: Clockwork/mechanical drive—no electrical power required
- Form factor: Portable benchtop with carry handle
- Includes: Drum mechanism, stylus arms, sensor housing, chart roll, and case
- Manufactured: Bacharach Instrument Co., Pittsburgh, PA, USA
Applications
Hygrothermographs were used in HVAC systems, laboratories, warehouses, and environmental monitoring to maintain continuous records of climate conditions. This mechanical chart-recorder type was deployed in facilities requiring documentation without electrical infrastructure. The Serdex line served industrial and institutional applications where dual-parameter tracking was necessary for compliance or process control.
Condition: For Parts or Not Working
This Bacharach 22-7008 Serdex Hygrothermograph temperature-humidity chart recorder is being sold as-is for parts or repair. It has not been tested and is not guaranteed functional. The blue carry case, drum chart mechanism, stylus arm assembly, sensor element housing, and a used chart roll are all present and visible in the photos. The case shows general wear consistent with age, including scuffs on the painted surfaces, and the chart roll in the window has prior recordings on it. The internal mechanism appears physically intact based on the photos, but no assessment of operational condition has been made. Please view our photo set and contact us if you have any questions.
This Bacharach 22-7008 Serdex Hygrothermograph temperature-humidity chart recorder is being sold as-is for parts or repair. It has not been tested and is not guaranteed functional. The blue carry case, drum chart mechanism, stylus arm assembly, sensor element housing, and a used chart roll are all present and visible in the photos. The case shows general wear consistent with age, including scuffs on the painted surfaces, and the chart roll in the window has prior recordings on it. The internal mechanism appears physically intact based on the photos, but no assessment of operational condition has been made. Please view our photo set and contact us if you have any questions.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Bacharach |
Model: |
22-7008 |
MPN: |
22-7008 |
Type: |
Hygrothermograph / Temperature-Humidity Chart Recorder |
SKU: |
22579 |
Condition: |
As-Is / For Parts or Not Working |
Seller Notes: |
Sold as-is for parts; includes drum mechanism, stylus arms, and chart roll |
Country/Region of Manufacture: |
United States |
Form Factor: |
Portable / Benchtop with carry handle |
Measurement Type: |
Temperature and Relative Humidity |
Recording Method: |
Mechanical drum chart recorder |
Sub-Brand / Series: |
Serdex (United Technologies Bacharach) |
Manufacturer: |
Bacharach Instrument Co., Pittsburgh, PA, USA |
US Patent No.: |
2466658 |
Canadian Patent No.: |
457125 |
Power Requirements: |
Mechanical / clockwork drive — no electrical power required |
Condition Notes: |
Bacharach 22-7008 Serdex Hygrothermograph sold as-is for parts or repair. Not tested, not guaranteed functional. Case, drum mechanism, stylus arms, sensor housing, and chart roll present. Please contact us with questions. |
