Ralston Instruments QTVC Compressed Gas Volume Controller
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Ralston Instruments QTVC — precision gas volume controller with 0.03 psi resolution, pressure-balanced piston for calibration.
Product details
| Model | QTVC |
| Manufacturer | Ralston Instruments |
| Category | Process Controllers |
| Availability | Made to order |
Description
Overview
The Ralston Instruments QTVC is a precision compressed gas volume controller designed for ultra-precise low-pressure differential and high-pressure static pressure calibrations using nitrogen. The proprietary pressure-balanced fine adjustment piston delivers consistent control across a wide pressure range.
Key Features
- Proprietary pressure-balanced fine adjustment piston for precise fingertip control from 0.03 psi (2 mbar) to 3000 psi (210 bar)
- Lightweight, compact unit with fine adjust piston, fill, balance, and vent valves integrated into single assembly
- Soft-seated valves enable precise filling and venting
- Quick-Test System outlet connections and standard adapters for versatile connections
- Optional laboratory stand (QTVC-LKIT) and padded field strap (NPAK-STRP) available
Applications
- Low-pressure differential pressure calibrations
- High-pressure static pressure calibrations
- Nitrogen gas pressure regulation and control
- Laboratory and field calibration work
Specifications
| Pressure Control Range | 0.03 psi (2 mbar) to 3000 psi (210 bar) |
| Fine Adjustment Resolution | 0.03 psi (2 mbar) |
| Valve Type | Soft-seated |
| Connection Type | Quick-Test System outlets |
| Design Type | Pressure-balanced piston |
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Ralston Instruments QTVC Compressed Gas Volume Controller
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