ULVAC Pirani Vacuum Gauge Series Product Description
This page introduces a series of ULVAC Pirani vacuum gauges and matching controllers, designed for stable low‑vacuum pressure measurement in industrial vacuum systems, research equipment, and process monitoring applications.
Key Models
- GP‑1G
- GP‑1000G
- GP‑1GRY / GP‑1GRY‑A
- GR‑1G (Pirani gauge controller)
Core Specifications
- Measurement principle: Constant‑temperature Pirani sensor using gas thermal conductivity
- Pressure range: Approx. 0.4 Pa to 2700 Pa (covers low‑vacuum and roughing regions)
- Display: Analog pointer indication
- Output: DC 0–10 mV nonlinear analog signal
- Set points: Dual relay setpoints for control and interlock
- Power supply: AC 100–240 V wide‑range input
- Operating conditions: 10–40 °C, 15–80% RH (non‑condensing)
Features
- Compact, general‑purpose design ideal for vacuum pumping systems, process control, and equipment monitoring
- Stable sensor performance with reliable operation from atmospheric pressure down to low vacuum
- Separate sensor‑controller architecture for flexible installation
- Compatible with standard ULVAC sensor heads and flanges
- Suitable for integration with WSC‑85 and other vacuum components
Applications
- Roughing and low‑vacuum pressure monitoring
- Vacuum pump system control and interlock
- Analytical instruments, R&D devices, and industrial vacuum equipment
These ULVAC Pirani gauges provide robust, cost‑effective pressure measurement for everyday vacuum applications requiring consistent analog readout and control outputs.
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