BT-T7 Through Coating Ultrasonic Thickness Gauge
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BRK BT-T7 Through-Coating Ultrasonic Thickness Gauge
All BRK meters and probes ship direct from the manufacturer and require 10-15 business days for shipping.
The BRK BT-T7 is a professional-grade ultrasonic thickness gauge engineered for non-destructive measurement of base material thickness without removing surface coatings. It accurately measures true substrate thickness through paint, epoxy, galvanizing and corrosion layers up to 5 mm thick, significantly reducing inspection time and eliminating surface preparation.
Utilizing advanced ultrasonic pulse-echo technology, the BT-T7 delivers high-precision readings across steel, aluminum, plastics, glass and other homogeneous materials. Its rugged housing, high-resolution display and long battery life make it ideal for demanding industrial inspection and maintenance environments.
-
Through-Coating Measurement Mode
Measures base metal thickness through coatings up to 5 mm thick without removal. -
Extended Measurement Range
0.7 to 500 mm in standard mode on steel. 3 to 50 mm in through-coating mode. -
High Precision Performance
Resolution of 0.01 mm with accuracy of ±(0.6%H + 0.05) mm. -
Adjustable Sound Velocity
Velocity range from 500 to 18,000 m/s for material calibration flexibility. -
Selectable Units
Displays readings in millimeters or inches. -
Rechargeable Power System
Integrated Li-ion battery providing over 160 hours of operation with backlight off. -
Industrial-Ready Construction
Compact, durable housing designed for field inspection use.
Typical Applications
- Corrosion monitoring in pipelines, tanks and pressure vessels
- Marine hull and ship structure inspection
- Structural steel thickness verification
- Oil, gas and petrochemical facility maintenance
- Manufacturing and fabrication quality control
What’s Included
- BT-T7 thickness gauge
- Standard 10 mm ultrasonic probe
- Calibration block
- Charging cable
- Carrying case
- User manual
Specifications
|
Measurement Range (Standard Mode) |
0.7 – 500 mm on steel |
|
Through-Coating Mode Range |
3 – 50 mm on steel (through coatings up to ~5 mm) |
|
Velocity Range |
500 – 18,000 m/s |
|
Resolution |
0.01 mm |
|
Accuracy |
±(0.6% H + 0.05) mm (H = actual thickness) |
|
Measurement Modes |
Standard & Through-Coating |
|
Units |
Metric (mm) |
|
Display |
High-definition LCD |
|
Power Supply |
Rechargeable Li-ion battery |
|
Battery Life |
>160 hrs (backlight off) |
|
Dimensions (L×W×H) |
145×70×32 mm |
|
Material Compatibility |
Steel, aluminum, copper, plastics, glass, composites, alloys |
|
Probe Options |
Standard 10 mm probe, micro probes, coarse-grain and high-temp probes available |
|
Environmental |
Designed for shop and field use (industrial conditions) |
|
Applications |
Structural steel inspection, marine & ship hull evaluation, pipelines/pressure vessels, aerospace & automotive components, general manufacturing quality control |
Downloads
Comparison Chart
| Coating Thickness Gauges | CTN-210B | CTN-210C | CTN-300 | BT-T7 | BT-T7A |
|---|---|---|---|---|---|
| Type / Principle | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge, multi-probe system | Through-coating ultrasonic thickness gauge | Through-coating ultrasonic thickness gauge |
| Measurement Range | Probe dependent, up to 0–10,000 μm | Probe dependent, micron to millimeter range | Up to 13 mm (13,000 μm) depending on probe | 0.7–500 mm (standard mode, steel) | 0.7–350 mm (standard mode, steel) |
| Through-Coating Capability | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures substrate thickness through coatings up to 5 mm | Measures substrate thickness through coatings up to 3 mm |
| Resolution | 0.1–1 μm depending on probe | 0.1–1 μm depending on probe | Up to 0.1 μm depending on probe | 0.01 mm | 0.01 mm |
| Accuracy | Typically ±(2%H + 1 μm) after calibration | Typically ±(1%H + 1 μm) after calibration | Probe dependent, industrial QC grade | ±(0.6%H + 0.05) mm | ±(0.6%H + 0.1) mm |
| Probe Support | Multiple interchangeable probes | Interchangeable probes | Supports up to 13 probe types | Standard, micro, coarse and high-temp probes | Standard, micro, coarse and high-temp probes |
| Data Handling | Group storage with PC export | Internal memory with USB/RS232 export | Data storage with statistical functions | Standard thickness readout | Standard thickness readout |
| Power Supply | Rechargeable lithium battery | Rechargeable battery | Rechargeable lithium-ion battery | Rechargeable Li-ion battery, 160+ hrs typical | AA batteries, 50+ hrs typical |
| Primary Use Case | Industrial coating thickness measurement | Advanced coating inspection with data functions | High-end multi-probe coating inspection | Substrate thickness through coatings | Substrate thickness through coatings, mid-range |
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Product Information
Product Information
BRK BT-T7 Through-Coating Ultrasonic Thickness Gauge
All BRK meters and probes ship direct from the manufacturer and require 10-15 business days for shipping.
The BRK BT-T7 is a professional-grade ultrasonic thickness gauge engineered for non-destructive measurement of base material thickness without removing surface coatings. It accurately measures true substrate thickness through paint, epoxy, galvanizing and corrosion layers up to 5 mm thick, significantly reducing inspection time and eliminating surface preparation.
Utilizing advanced ultrasonic pulse-echo technology, the BT-T7 delivers high-precision readings across steel, aluminum, plastics, glass and other homogeneous materials. Its rugged housing, high-resolution display and long battery life make it ideal for demanding industrial inspection and maintenance environments.
-
Through-Coating Measurement Mode
Measures base metal thickness through coatings up to 5 mm thick without removal. -
Extended Measurement Range
0.7 to 500 mm in standard mode on steel. 3 to 50 mm in through-coating mode. -
High Precision Performance
Resolution of 0.01 mm with accuracy of ±(0.6%H + 0.05) mm. -
Adjustable Sound Velocity
Velocity range from 500 to 18,000 m/s for material calibration flexibility. -
Selectable Units
Displays readings in millimeters or inches. -
Rechargeable Power System
Integrated Li-ion battery providing over 160 hours of operation with backlight off. -
Industrial-Ready Construction
Compact, durable housing designed for field inspection use.
Typical Applications
- Corrosion monitoring in pipelines, tanks and pressure vessels
- Marine hull and ship structure inspection
- Structural steel thickness verification
- Oil, gas and petrochemical facility maintenance
- Manufacturing and fabrication quality control
What’s Included
- BT-T7 thickness gauge
- Standard 10 mm ultrasonic probe
- Calibration block
- Charging cable
- Carrying case
- User manual
Specifications
|
Measurement Range (Standard Mode) |
0.7 – 500 mm on steel |
|
Through-Coating Mode Range |
3 – 50 mm on steel (through coatings up to ~5 mm) |
|
Velocity Range |
500 – 18,000 m/s |
|
Resolution |
0.01 mm |
|
Accuracy |
±(0.6% H + 0.05) mm (H = actual thickness) |
|
Measurement Modes |
Standard & Through-Coating |
|
Units |
Metric (mm) |
|
Display |
High-definition LCD |
|
Power Supply |
Rechargeable Li-ion battery |
|
Battery Life |
>160 hrs (backlight off) |
|
Dimensions (L×W×H) |
145×70×32 mm |
|
Material Compatibility |
Steel, aluminum, copper, plastics, glass, composites, alloys |
|
Probe Options |
Standard 10 mm probe, micro probes, coarse-grain and high-temp probes available |
|
Environmental |
Designed for shop and field use (industrial conditions) |
|
Applications |
Structural steel inspection, marine & ship hull evaluation, pipelines/pressure vessels, aerospace & automotive components, general manufacturing quality control |
Downloads
Comparison Chart
| Coating Thickness Gauges | CTN-210B | CTN-210C | CTN-300 | BT-T7 | BT-T7A |
|---|---|---|---|---|---|
| Type / Principle | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge, multi-probe system | Through-coating ultrasonic thickness gauge | Through-coating ultrasonic thickness gauge |
| Measurement Range | Probe dependent, up to 0–10,000 μm | Probe dependent, micron to millimeter range | Up to 13 mm (13,000 μm) depending on probe | 0.7–500 mm (standard mode, steel) | 0.7–350 mm (standard mode, steel) |
| Through-Coating Capability | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures substrate thickness through coatings up to 5 mm | Measures substrate thickness through coatings up to 3 mm |
| Resolution | 0.1–1 μm depending on probe | 0.1–1 μm depending on probe | Up to 0.1 μm depending on probe | 0.01 mm | 0.01 mm |
| Accuracy | Typically ±(2%H + 1 μm) after calibration | Typically ±(1%H + 1 μm) after calibration | Probe dependent, industrial QC grade | ±(0.6%H + 0.05) mm | ±(0.6%H + 0.1) mm |
| Probe Support | Multiple interchangeable probes | Interchangeable probes | Supports up to 13 probe types | Standard, micro, coarse and high-temp probes | Standard, micro, coarse and high-temp probes |
| Data Handling | Group storage with PC export | Internal memory with USB/RS232 export | Data storage with statistical functions | Standard thickness readout | Standard thickness readout |
| Power Supply | Rechargeable lithium battery | Rechargeable battery | Rechargeable lithium-ion battery | Rechargeable Li-ion battery, 160+ hrs typical | AA batteries, 50+ hrs typical |
| Primary Use Case | Industrial coating thickness measurement | Advanced coating inspection with data functions | High-end multi-probe coating inspection | Substrate thickness through coatings | Substrate thickness through coatings, mid-range |
Description
Description
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Product Category: Measuring Tools & Sensors
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