The INSIZE 1179-600 Digital RTJ Ring Groove Caliper is a specialized precision measuring instrument designed for accurately measuring Ring Type Joint (RTJ) grooves in flanges. It can measure both the inside diameter and outside diameter of RTJ ring grooves, making it ideal for flange inspection, oil and gas equipment, pipelines, pressure vessels, valves, petrochemical components, and precision machining applications. The model offers a 10–600 mm / 0.4–24" measuring range for inside RTJ groove diameter and 25–600 mm / 1–24" for outside RTJ groove diameter.
Key Features
1. Specialized RTJ Groove Measurement
The 1179-600 is specifically designed for measuring RTJ ring grooves on flanges. Its specialized angled contact points allow measurements to be taken from the groove edges, making it more suitable for RTJ inspection than a conventional caliper.
2. Wide 10–600 mm Measuring Range
This model provides a large measurement capacity, with an inside RTJ groove range of 10–600 mm (0.4–24") and an outside RTJ groove range of 25–600 mm (1–24"). This makes it suitable for large industrial flanges and components.
3. High-Resolution Digital Display
The caliper provides 0.01 mm / 0.0005" resolution, allowing users to obtain clear and precise digital readings during dimensional inspection. Its digital display simplifies measurement reading compared with conventional mechanical instruments.
4. Stainless Steel Construction
The measuring instrument is constructed from stainless steel, providing durability for regular use in industrial inspection, machining, fabrication, and engineering environments.
5. Data Output & Convenient Functions
The 1179-600 includes ON/OFF, Set, Zero, inch/mm conversion, and data preset functions. It uses a CR2032 battery and supports data output through compatible optional cables, making it useful for measurement documentation and quality-control processes.
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