Ralston Instruments QTVC-3KPSIG-D Pressure Calibration Kit

Overview

The Ralston Instruments QTVC-3KPSIG-D is a complete pressure calibration system that combines a precision volume controller with an integrated 0–3000 psi digital pressure gauge. This kit enables precise calibration of pressure instrumentation using nitrogen gas, with the pressure-balanced fine adjustment piston providing finger-tip control from 0.03 psi to 3000 psi. The system is suitable for both laboratory and field applications where accurate pressure measurement and control are essential.

Key Features

• Integrated 0–3000 psig digital pressure gauge with easy-to-read display
• Proprietary pressure-balanced fine adjustment piston for precise control at 0.03 psi or 3000 psi
• Fine adjust, fill, balance, and vent valves in one compact unit
• Soft-seated valves for precise filling and venting
• Quick-test system connections require no thread sealant or wrench
• Low volume Quick-test hose and adapters attach without tools
• Complete calibration system — no additional gauge required
• Included laboratory stand and optional field strap
• Made in U.S.A.

Applications

• Calibration of low and high-pressure instruments
• Laboratory and field pressure testing
• Instrument verification and maintenance
• Pressure system commissioning and validation

Included Accessories

• QTVC Assembly (volume controller)
• 0–3000 psig Digital Pressure Gauge (GAUD-3000)
• Gauge Adapter — 1/4″ female NPT × female Quick-test, brass
• Quick-test hose — 6 ft (1.83 m) long with brass hose ends
• Quick-test hose — 3 ft (92 cm) long with brass hose ends
• Hose Adapter — 1/4″ male NPT × male Quick-test, brass (×2)