Palmer-Wahl Chart Recorders – General Tech Services
General Tech Services supplies Palmer-Wahl circular chart recorders in 8" and 12" sizes, housed in Pelican® or aluminum cases. Designed for pressure, temperature, and dual measurement. All models come with a 3-year warranty—reliable alternatives to Barton, Rototherm, TechCal, Stiko. Every unit is backed by a 3-year manufacturer’s warranty.
At General Tech Services, we feature Palmer Wahl chart recorders, renowned for their ruggedness, precision, and configurable design. Manufactured in Asheville, NC, these circular recorders uphold industrial reliability standards since 1962.
Precision Instruments for Demanding Industries
Palmer-Wahl has been manufacturing high-accuracy mechanical recorders for over a century, and their current circular chart recorder range is trusted worldwide for its reliability and adaptability. At General Tech Services, we supply their latest generation of recorders—purpose-built for continuous monitoring of pressure, temperature, or both—available in 8" and 12" chart sizes to suit everything from portable field checks to permanent plant installations.
Core Product Lines
Product Ranges & Sizes
Pelican® Case Pressure Chart Recorders
- Available Sizes: 8" and 12" chart diameters
- Case Material: Crush-proof, dustproof, and waterproof Pelican® enclosure with stainless-steel fittings
- Mounting Options: Portable, wall, or pipe-stand
- Recording Drive: Spring-wound or battery-powered multi-speed drives (PC-11 / PC-12)
- Measurement Capability: Up to three independent 316SS pressure systems; ranges from 0–30 psi to 0–30,000 psi
- Operating Environments: Vibration, impact, and corrosion resistant—ideal for oilfield, offshore, and utility applications
Aluminum Case Pressure Chart Recorders
- Available Sizes: 8", 12", and 18" chart diameters
- Case Construction: Heavy die-cast aluminum body with powder-coat finish for long-term outdoor durability
- Ingress Protection: Weather-tight with solid or windowed door options
- Configuration: 1–3 pressure elements; multiple chart ranges available
- Mounting Options: Wall, pipe-stand, or portable stands
- Applications: Pipeline monitoring, chemical processing, water distribution
Combination Pressure & Temperature Chart Recorders
- Available Sizes: 8" and 12" chart diameters
- Dual Function: Simultaneously records both parameters on a single chart
- Temperature Sensing: Mercury or mercury-free options; ranges from -40°C to +600°C
- Pressure System: Stainless steel, field-replaceable without factory recalibration
- Applications: Wellhead monitoring, process control, power plant maintenance
Technical Advantages & 3-Year Warranty
Every Palmer-Wahl chart recorder is built in the USA and supplied with a 3-year manufacturer’s warranty—a significant advantage over the typical 1-year coverage from many competitors such as Ashcroft, Rosemount, and Reotemp.