Ashcroft 1327CM Pressure Gauge Comparator
The Ashcroft 1327CM is a portable pressure generation and testing system designed for field use. It combines a reliable pressure source with a proven secondary standard, making it ideal for applications that require high accuracy while maintaining the convenience of a comparator. Lightweight and compact, the 1327CM is engineered for maximum utility in a single, easy-to-use test set.
Key Features
- Two-stage hydraulic pressure pump for efficient pressure generation.
- Compatible with one to three Ashcroft Type A4A test gauges, covering a range of 0 to 10,000 psi (or equivalent metric ranges).
- High accuracy with temperature-compensated gauges, achieving 0.1% of span accuracy in accordance with ASME B40.1, grade 4A.
- Built-in two-position shuttle valve for quick pressure adjustments.
- Integral vernier-adjustment knob for precise final adjustments.
- Available configurations for petroleum-based oils, glycol, phosphate ester hydraulic fluids, and distilled water for oxygen service gauge calibration.
Included Accessories
The Ashcroft 1327CM comes complete with all necessary tools, adapters, and accessories to meet most calibration requirements in both field and laboratory settings. All components are conveniently stored in a protective carrying case for enhanced portability.
Specifications
| Ashcroft 1327CM Specifications | |
|---|---|
| Gauges | Ashcroft Model A4A, 6˝, ASME B40.1, Grade 4A, temperature compensated. Bourdon tube material: 403SS or Beryllium Copper (depending on range). |
| Accuracy | 0.1% of gauge span |
| Operating Pressure | 0 to 10,000 psi max. (0 to 70,000 kPa) |
| Operating Fluid | 1327CMS: SAE 20 automotive or machine oil 1327CMH: Phosphate or glycol base hydraulic fluids 1327CMO: Distilled water for oxygen service |
| Reservoir Volume | Approximately 1.5 pints (0.7 liter) |
| O-Ring Seals | For 1327CMH and 1327CMO: Buna-N For 1327CMH: Ethylene Propylene |
| Pump Body Material | Aluminum alloy |
| Certification | NIST traceability document provided for each gauge |
