Weston Instruments Model 9906 Type 31A12R Roll Diameter Compensator Transformer
Weston Instruments, Inc.Model:9906 TYPE 31A12R
Location unavailable
Transformers
Qty:1
Condition: New
At a glance
- Product
- Weston Instruments Model 9906 Type 31A12R Roll Diameter Compensator Transformer
- Manufacturer
- Weston Instruments, Inc.
- Model
- 9906 TYPE 31A12R
- Category
- Transformers
- Condition
- NEW
- Availability
- In stock
- Price or process
- Request price
- Quantity
- 1
- Lead time
- Not provided
- Location
- Location unavailable
- Fulfillment
- Shipping only
- Seller
- Motor Control Center
- Listed on
Key specifications
- Frequency Rating
- 60Hz
- Power Rating
- 50W
- Primary Voltage
- 120V AC
- Roller Diameter
- 14in
- Terminal Type
- GEN M, GEN H, REL M, REL H
Supporting evidence
No supporting documents or certifications provided.
Description
The Weston Instruments Model 9906 Type 31A12R is a vintage roll diameter compensator transformer designed for industrial applications in web handling and processing industries, such as paper, textile, or film manufacturing. This device features adjustable dials for front (F) roll diameters ranging from 4.5 to 6 inches and hind (H) roll diameters from 10 to 14 inches, allowing precise compensation for changing roll sizes in speed, tension, or tachometer control systems. It includes multiple terminals labeled for generator (GEN) and relay (REL) connections in medium (M) and high (H) configurations, facilitating integration with electrical instrumentation for accurate measurements as rolls unwind or wind. Benefits include reliable performance in legacy systems, robust construction for durability, and easy adjustability without digital interfaces, making it ideal for retrofitting older machinery. Drawbacks may include limited compatibility with modern digital controls, potential need for calibration due to age, and scarcity of replacement parts. Compared to similar products like modern digital compensators, it offers cost-effective simplicity for analog setups but lacks automation features. This transformer enhances process control by maintaining consistent output signals despite variable roll geometries, reducing errors in production lines.
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