Product Overview
AS-IS Honeywell MDA Scientific TLD-1 Toxic Gas Monitor
This listing features a Honeywell / MDA Scientific TLD-1 toxic gas monitor with Chemkey cards. The unit was marked as having a malfunction. We do not have the required power supply to confirm its condition, and the nature of the malfunction is unknown. The Chemkeys are included as shown.
MDA Scientific, later integrated into Honeywell, developed specialized toxic gas detection equipment for industrial and laboratory safety. The TLD-1 model is designed for use with Chemkey cartridges, offering selective detection of specific gases.
Product Condition
Sold AS-IS, for parts or repair. The monitor was marked as malfunctioning by a previous owner. We have not tested the unit. Includes 10 Chemkey cards and 3 test cards. No power supply is included. No returns accepted.
Product Overview
The TLD-1 toxic gas monitor is designed for use with Chemkey cards, which provide target-specific gas sensing capability. This system historically found use in industrial safety, research labs, and chemical facilities where gas monitoring was critical. This listing may be of interest to collectors, technicians, or those with compatible spare parts.
Key Features
- Honeywell / MDA Scientific TLD-1 toxic gas monitor
- Marked as malfunctioning; exact issue unknown
- Includes 10 Chemkey cards and 3 test cards
- Compatible with Chemkey gas detection system
- No power supply included
- Sold AS-IS, no returns
Applications
- For parts harvesting or repair projects
- Reference unit for technical training
- Potential restoration for collectors of gas detection systems
- Study of Chemkey card detection technology
- Spare components for existing TLD-1 setups
Frequently Asked Questions
What does “AS-IS” mean for this listing?
The monitor is sold with no guarantee of function. It was marked as malfunctioning, and we cannot verify its working state. No returns will be accepted.
Is a power supply included?
No, the required power supply is not included.
What accessories are provided?
The unit comes with 10 Chemkey cards and 3 test cards, as shown in photos.
Can this monitor be repaired?
We cannot confirm repairability. It may be useful for parts, reference, or restoration by a qualified technician.
Once a trusted tool in industrial safety, this TLD-1 is offered strictly AS-IS — whether for parts, study, or restoration, its next purpose is up to you.
