Description
UNI-T UT-CS09D Flex Clamp Sensor
The UNI-T UT-CS09D is a flexible clamp current sensor based on Rogowski coil technology, designed to measure high AC currents up to 3000A without the need to disconnect or reshape conductors. Its flexible, lightweight coil (45.7cm / 18 inches) can be wrapped around busbars, crowded cable bundles, or irregularly shaped conductors that standard rigid clamps cannot accommodate. The sensor outputs a proportional AC voltage (max 3.00V) compatible with multimeters, oscilloscopes, and data loggers, making it an ideal extension for existing test equipment.
Built with safety and durability in mind, the UT-CS09D is rated CAT IV 600V for use at the service entrance level. It features three switchable ranges (30A/300A/3000A), a low-battery indicator, and a 1-meter drop-proof design. The sensor is powered by three AAA batteries and includes a BNC adapter for direct connection to oscilloscopes. Whether used for HVAC monitoring, industrial load analysis, or power quality checks, this flex clamp provides safe, accurate, and flexible current measurement in confined electrical panels.
UT-CS09D flex clamp sensor solves problems in measuring high current conductors in tight spaces. Its Rogowski coil based current sensor provides stable, safe, and high reliable measurements up to 3000A. This unique design and lightweight feature make it a great choice for professional electricians.
Features:
- Flex clamp can measure from 1.5A to 3000A current.
- 1m drop proof.
- Robust terminal connection.
- Directly displays current when connected to UT206B/208B.
- Flexible Rogowski coil for measuring in tight spaces.
- Non-contact high current measurement.
- Lightweight and portable design.
- Wide measurement capability for industrial use.
- Secure BNC connector interface.
- Direct reading with compatible UNI-T meters.
- High safety rating for professional environments.
- Drop-resistant construction.
- Low battery indication.
- Reliable and stable measurement performance.
Specifications:
| Specifications | UNI-T UT-CS09D |
| AC current (A) | 30A/300A/3000A |
| Frequency response | 45Hz~500Hz |
| Flex clamp size | 45.7cm (18 inches) |
| Operating temperature | 0℃~50℃ |
| Storage temperature | -20°C~60°C |
| Storage humidity | ≤80%RH |
| Low battery indication | About 3.3V |
| Category rating | CAT IV 600V |
| General Characteristics | |
| Power | 1.5V battery (R03) x 3 |
| Product net weight | 260g |
| Product size | 267mm x 119.4mm x 34mm |
| Standard accessories | Batteries, BNC adapter, English manual |
| Standard individual packing | Blister |
| Standard quantity per carton | 10pcs |
| Standard carton measurement | 495mm x 405mm x 225mm |
| Standard carton gross weight | 7kg |
Applications:
- Measuring current in crowded electrical panels (busbars, multiple cables).
- HVAC systems – compressor and fan motor currents.
- Industrial machinery and motor load monitoring.
- Power distribution units and switchgear.
- Renewable energy installations (solar inverters, wind turbines).
- Generator output measurement.
- Energy audits and load profiling.
- Troubleshooting variable frequency drives (VFDs).
- Educational laboratories for high-current AC measurement.
Packages Included:
- UNI-T UT-CS09D Flex Clamp Sensor.
- BNC adapter.
- User manual.
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