Insize Digital RTJ Ring Groove Caliper Art No 1179-300
The Insize Digital RTJ Ring Groove Caliper (Code 1179-300) is designed for precise measurement of ring joint groove dimensions in industrial flanges. It features a stainless steel construction and CR2032 battery power with mm/inch toggle. • Inside diameter range: 10-300mm • Outside diameter range: 25-300mm • Resolution: 0.01mm/0.0005" • Accuracy: ±0.06mm
Specifications
For: Art No 1179-300- Type
- Digital Caliper With Interchangable Tips
- Code
- 1179-300
- Resolution
- 0.01mm/0.0005"
- Range (inside diameter of RTJ ring groove)
- 10-300mm/0.4-12"
- Range (outside diameter of RTJ ring groove)
- 25-300mm/1-12"
- waterproof
- Non waterproof
- Buttons
- on/off, zero, mm/inch
- Battery
- CR2032
- Made of
- stainless steel
- Accuracy
- ±0.06mm
Configurations
Click a row to switch| Variant | Range (inside diameter of RTJ ring groove) | Range (outside diameter of RTJ ring groove) | Code | Resolution | Price |
|---|---|---|---|---|---|
| Art No 1179-300 | 10-300mm/0.4-12" | 25-300mm/1-12" | 1179-300 | 0.01mm/0.0005" | ₹21,905 |
| Art No 1179-600 | 10-600mm/0.4-24" | 25-600mm/1-24" | 1179-600 | 0.01mm/0.0005" | ₹34,762 |
Operational Best Practices
- Zero the caliper before each measurement session for accuracy
- Avoid dropping or striking the instrument to protect internal sensors
- Store in a dry case to preserve electronic components and finish
- Replace CR2032 battery when display brightness decreases significantly
- Clean measuring faces with a soft cloth before taking readings
- Do not submerge in water as the device lacks waterproof sealing
Ideal for Oil & Gas Flange Inspection
- Essential tool for verifying Ring Type Joint (RTJ) groove dimensions
- Ensures proper gasket seating in high-pressure piping systems
- Used by maintenance teams for preventive flange re-machining checks
- Critical for compliance with API 6A and ASME B16.20 standards
- Helps prevent leaks by confirming groove width and depth tolerances
- Suitable for refineries, petrochemical plants, and power generation facilities
Robust Stainless Steel Construction
- Crafted from high-grade stainless steel for long-term durability
- Resistant to corrosion in industrial workshop environments
- Designed specifically for the demanding geometry of RTJ flanges
- Provides stable measurements under repeated use conditions
- Note: This model is non-waterproof; keep away from direct liquid exposure
- Ergonomic design facilitates easy handling during tight space inspections
Precision Measurement Capabilities
- Measures inside diameter of RTJ ring grooves from 10-300mm (0.4-12")
- Covers outside diameter range of 25-300mm (1-12") for versatile testing
- High-resolution digital display offers readings down to 0.01mm/0.0005"
- Maintains strict accuracy of ±0.06mm for reliable quality control
- Supports both metric and imperial units via dedicated mm/inch button
- Features intuitive on/off, zero, and unit conversion controls
- Powered by standard CR2032 battery for convenient field operation
Optional Accessories
Optional accessory: ball tips
More questions buyers ask
What is an Insize Digital RTJ Ring Groove Caliper used for?
It is a precision measuring instrument designed to verify the dimensions of Ring Type Joint (RTJ) grooves in flanges, ensuring proper gasket seating and leak prevention in high-pressure systems.
What materials are used in the construction of this caliper?
The Insize RTJ Ring Groove Caliper is crafted from high-grade stainless steel, providing durability and corrosion resistance in industrial workshop environments.
What is the measurement range of the 1179-300 model?
The 1179-300 model measures inside diameters from 10-300mm (0.4-12") and outside diameters from 25-300mm (1-12").
Does this caliper support both metric and imperial units?
Yes, it features a dedicated mm/inch button for easy switching between metric and imperial measurement units.
What is the resolution of the digital display?
The digital display offers a high resolution of 0.01mm/0.0005".
Is the Insize RTJ Ring Groove Caliper waterproof?
No, this model is non-waterproof. It should be kept away from direct liquid exposure to protect the electronic components.
What battery does this device use?
It is powered by a standard CR2032 battery, which is convenient for field operations.
How do I maintain the accuracy of the caliper?
Zero the caliper before each measurement session, keep the measuring faces clean, and store it in a dry case when not in use.
Are there any optional accessories available?
Yes, optional ball tips are available for specific measurement requirements.
Which industries typically use this tool?
It is widely used in oil and gas refineries, petrochemical plants, power generation facilities, and by maintenance teams performing flange re-machining.
Who should choose the 1179-300 model?
Choose the 1179-300 if your inspection requirements fall within the 300mm range, suitable for standard flange sizes.
Who should choose the 1179-600 model?
Choose the 1179-600 if you need a larger measurement capacity, covering up to 600mm for larger industrial flange applications.
What is the main difference between the 300mm and 600mm models?
The primary difference is the measurement range; the 300mm model covers up to 300mm, while the 600mm model extends the range to 600mm with a slightly different accuracy specification.
How do these models compare in terms of price?
The 600mm model is priced higher than the 300mm model due to its increased measurement capacity and specialized design for larger flanges.
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Full description
The Insize Digital RTJ Ring Groove Caliper (Code 1179-300) is designed for precise measurement of ring joint groove dimensions in industrial flanges. It features a stainless steel construction and CR2032 battery power with mm/inch toggle. • Inside diameter range: 10-300mm • Outside diameter range: 25-300mm • Resolution: 0.01mm/0.0005" • Accuracy: ±0.06mm




