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Perform Holiday tests faster without connecting the earth return lead to the component substrate to detect pits, flaws, and holes in a wide variety of non-metallic coatings up to 25mm (1”) thick.
Ideal for performing the holiday test procedure on large surfaces and pipelines.
ELCOMETER 280 MODEL SPECIFICATIONS
Model S
Comes with an integrated safety trigger switch and is rugged, shockproof & water-resistant | Add to cart
Model T
Comes with an integrated voltage calculator and an internal jeep tester | Add to cart
Model S Kit
Comes with an integrated safety trigger switch and is rugged, shockproof & water resistant | Add to cart
Model T Kit
Comes with an integrated voltage calculator and an internal Jeep tester | Add to cart
SELECT YOUR MODEL ON TOP OF THE PAGE TO VIEW THE PRICE
Elcometer 280 Pulsed DC Holiday Detector for Protective Coatings
Fast high-voltage detection of coating holidays, pinholes and porosity
The Elcometer 280 Pulsed DC Holiday Detector is designed to locate holidays, pinholes, porosity and other discontinuities in protective coatings. Its pulsed DC high-voltage technology makes it particularly well suited to inspecting large coated surfaces, storage structures and pipelines, including coatings up to 25 mm (1 in) thick.
Unlike conventional continuous DC holiday detection, the Elcometer 280 concentrates energy into very short high-energy pulses. This allows effective inspection even when the coating surface is damp, dirty, or slightly conductive, making the instrument particularly useful for demanding field applications.
Pulsed DC Technology for Faster Large-Surface Inspection
The Elcometer 280 can inspect coatings without requiring the earth return lead to be connected directly to the component substrate. This is a major advantage when inspecting pipelines and other large structures where establishing a conventional direct substrate connection can be difficult or time-consuming.
The user-selectable output range of 0.5 to 35 kV provides the flexibility required for testing a wide variety of protective coating thicknesses and applications.
Clear Visual and Audible Holiday Detection
When the Elcometer 280 detects a coating holiday, the instrument provides several simultaneous indications so the operator can immediately identify the defect. The blue LED flashes, the buzzer sounds, the display flashes, and a holiday-detection icon appears on the screen.
The alarm volume is user-adjustable, making the detector practical for use in different working environments, including noisy industrial sites.
Designed for High-Voltage Testing Safety
The Elcometer 280 incorporates multiple safety features for high-voltage coating inspection. A two-stage safety system helps prevent accidental activation, while the integrated trigger switch immediately switches off the high voltage when released.
Extended ribbing provides additional protection against spark creep, while a separate high-voltage ON/OFF control further reduces the possibility of accidental activation. Bright LEDs and screen icons clearly indicate when the high-voltage output is active.
Rugged and Comfortable for Field Inspection
Designed for harsh industrial environments, the Elcometer 280 is rugged, shockproof, and water-resistant. Large waterproof controls can be operated while wearing gloves, and the clear backlit LCD remains easy to read in poorly illuminated locations.
The balanced stick-type design includes a rubberised second-hand grip for improved control and a shoulder-strap attachment point to reduce operator fatigue during extended pipeline and large-area inspections.
Model S and Model T
The Elcometer 280 is available in Model S and Model T versions. Both models provide the core pulsed DC holiday detection functions, rugged construction, integrated safety trigger and internal Jeep tester.
Model T additionally incorporates an integrated voltage calculator. The operator enters the coating thickness and the instrument calculates and sets the appropriate test voltage, helping simplify test setup and reduce the risk of selecting an unsuitable voltage.
Internal Jeep Tester for Voltage Verification
An internal Jeep tester allows the instrument to verify that the selected voltage corresponds to the actual test voltage. This provides an additional check of detector performance without requiring a separate external voltage verification instrument for routine checks.
Interchangeable Probes for Different Structures
A wide selection of interchangeable electrodes and accessories allows the Elcometer 280 to be adapted to different structures, surface geometries and inspection requirements.
- Wire brush probes
- Internal pipe brush probes
- External C-type brush probes
- External pipe rolling springs
- Conductive rubber probes
- Grounding mats for ungrounded coated structures
- Probe adaptors for compatible electrodes from other manufacturers
- Standard and telescopic handles for difficult-to-reach areas
Key Features
- Pulsed DC high-voltage holiday detection
- Detects holidays, pinholes and porosity in protective coatings
- Suitable for coatings up to 25 mm (1 in) thick
- User-selectable voltage range from 0.5 to 35 kV
- Ideal for large surfaces and pipeline inspection
- Can test damp, dirty and slightly conductive coatings
- Does not require the earth return lead to be connected directly to the component substrate during suitable pulsed DC testing
- Integrated safety trigger immediately cuts high voltage when released
- Two-stage safety system helps prevent accidental activation
- Bright LED, audible alarm and flashing display indicate detected holidays
- User-adjustable alarm volume
- Internal Jeep tester for test-voltage verification
- Integrated voltage calculator on Model T
- Rugged, shockproof and water-resistant construction
- Large waterproof controls suitable for gloved operation
- Clear backlit LCD for low-light environments
- Quick-release rechargeable battery pack
- Wide selection of interchangeable probes and accessories
Technical Specifications
| Product | Elcometer 280 Pulsed DC Holiday Detector |
|---|---|
| Model S Part Number | D280-S—- |
| Model T Part Number | D280-T—- |
| Model S Inspection Kit | D280-S-KIT |
| Model T Inspection Kit | D280-T-KIT |
| High Voltage Range | 0.5 – 35 kV Pulsed DC |
| Voltage Adjustment | 0.5 – 1 kV: 10 V steps; 1 – 35 kV: 100 V steps |
| High Voltage Output Accuracy | ±5% or ±50 V below 1000 V |
| Pulse Repetition Rate | Approximately 30 Hz |
| Maximum Coating Thickness | Up to 25 mm (1 in) |
| Operating Temperature | 0°C to 50°C (32°F to 120°F) |
| Power Supply | Rechargeable battery pack |
| Battery Charging Time | Approximately 4 hours for a full charge |
| Instrument Case | PC ABS |
| Dimensions | 603 × 219 × 193 mm (23.7 × 8.6 × 7.6 in) |
| Weight | 3.0 kg (6.6 lb), including battery pack and without probe attached |
Model Comparison
| Feature | Model S | Model T |
|---|---|---|
| 0.5 – 35 kV Pulsed DC Output | Yes | Yes |
| Rugged, Shockproof & Water Resistant | Yes | Yes |
| Integrated Safety Trigger | Yes | Yes |
| Quick-Release Battery Pack | Yes | Yes |
| Internal Jeep Tester | Yes | Yes |
| Integrated Voltage Calculator | No | Yes |
Standard Packing List
- Elcometer 280 Pulsed DC Holiday Detector – Model S or Model T
- 5 m (16 ft) trailing signal return lead
- Rechargeable battery pack
- Battery charger with UK, European, US and Australian plugs
- Shoulder strap
- Operating instructions
Compatible Standards
Depending on the test procedure and application, the Elcometer 280 can be used in accordance with recognised holiday detection standards including:
- AS 3894.1
- ANSI/AWWA C203
- ANSI/AWWA C214
- ASTM D4787
- ASTM D5162
- ISO 2746
- ISO 29601
- JIS G 3491
- JIS G 3492
- NACE SP0188
Q&A
What types of coating defects can the Elcometer 280 detect?
The Elcometer 280 is designed to identify discontinuities such as pinholes, holidays and porosity that can expose the underlying substrate and compromise the protection provided by the coating system.
Why is pulsed DC useful for pipeline inspection?
Pulsed DC concentrates energy into short pulses and allows the Elcometer 280 to inspect large coated structures without requiring the earth return lead to be connected directly to the component substrate. This can make inspection considerably more practical on long pipelines and large surfaces.
Can the Elcometer 280 test a damp or dirty coating?
Yes. One of the advantages of its pulsed DC technology is the ability to test coatings that are damp, dirty or slightly conductive, where conventional continuous DC testing may be more difficult.
What is the difference between Model S and Model T?
Both models provide the main Elcometer 280 holiday detection and safety functions. Model T additionally includes an integrated voltage calculator that determines the appropriate test voltage from the coating thickness entered by the operator.
How does the operator know when a holiday has been detected?
When a holiday is detected, the Elcometer 280 provides multiple indications: the blue LED flashes, the buzzer sounds, the display flashes and the holiday-detection icon appears on the screen.
Does the correct probe need to be selected separately?
Yes. Probe selection depends on the shape and size of the structure being inspected. Available options include wire brushes, internal and external pipe brushes, rolling springs and conductive rubber probes, allowing the detector to be configured for different inspection tasks.
Can the Elcometer 280 be used on very thick protective coatings?
Yes. The high-voltage technique is suitable for testing coatings up to 25 mm (1 in) thick, provided the correct test voltage, electrode and applicable inspection procedure are used.
Can be used in accordance with:
| Back to Top |
Perform Holiday tests faster without connecting the earth return lead to the component substrate to detect pits, flaws, and holes in a wide variety of non-metallic coatings up to 25mm (1”) thick.
Ideal for performing the holiday test procedure on large surfaces and pipelines.
ELCOMETER 280 MODEL SPECIFICATIONS
Model S
Comes with an integrated safety trigger switch and is rugged, shockproof & water-resistant | Add to cart
Model T
Comes with an integrated voltage calculator and an internal jeep tester | Add to cart
Model S Kit
Comes with an integrated safety trigger switch and is rugged, shockproof & water resistant | Add to cart
Model T Kit
Comes with an integrated voltage calculator and an internal Jeep tester | Add to cart
SELECT YOUR MODEL ON TOP OF THE PAGE TO VIEW THE PRICE
Elcometer 280 Pulsed DC Holiday Detector for Protective Coatings
Fast high-voltage detection of coating holidays, pinholes and porosity
The Elcometer 280 Pulsed DC Holiday Detector is designed to locate holidays, pinholes, porosity and other discontinuities in protective coatings. Its pulsed DC high-voltage technology makes it particularly well suited to inspecting large coated surfaces, storage structures and pipelines, including coatings up to 25 mm (1 in) thick.
Unlike conventional continuous DC holiday detection, the Elcometer 280 concentrates energy into very short high-energy pulses. This allows effective inspection even when the coating surface is damp, dirty, or slightly conductive, making the instrument particularly useful for demanding field applications.
Pulsed DC Technology for Faster Large-Surface Inspection
The Elcometer 280 can inspect coatings without requiring the earth return lead to be connected directly to the component substrate. This is a major advantage when inspecting pipelines and other large structures where establishing a conventional direct substrate connection can be difficult or time-consuming.
The user-selectable output range of 0.5 to 35 kV provides the flexibility required for testing a wide variety of protective coating thicknesses and applications.
Clear Visual and Audible Holiday Detection
When the Elcometer 280 detects a coating holiday, the instrument provides several simultaneous indications so the operator can immediately identify the defect. The blue LED flashes, the buzzer sounds, the display flashes, and a holiday-detection icon appears on the screen.
The alarm volume is user-adjustable, making the detector practical for use in different working environments, including noisy industrial sites.
Designed for High-Voltage Testing Safety
The Elcometer 280 incorporates multiple safety features for high-voltage coating inspection. A two-stage safety system helps prevent accidental activation, while the integrated trigger switch immediately switches off the high voltage when released.
Extended ribbing provides additional protection against spark creep, while a separate high-voltage ON/OFF control further reduces the possibility of accidental activation. Bright LEDs and screen icons clearly indicate when the high-voltage output is active.
Rugged and Comfortable for Field Inspection
Designed for harsh industrial environments, the Elcometer 280 is rugged, shockproof, and water-resistant. Large waterproof controls can be operated while wearing gloves, and the clear backlit LCD remains easy to read in poorly illuminated locations.
The balanced stick-type design includes a rubberised second-hand grip for improved control and a shoulder-strap attachment point to reduce operator fatigue during extended pipeline and large-area inspections.
Model S and Model T
The Elcometer 280 is available in Model S and Model T versions. Both models provide the core pulsed DC holiday detection functions, rugged construction, integrated safety trigger and internal Jeep tester.
Model T additionally incorporates an integrated voltage calculator. The operator enters the coating thickness and the instrument calculates and sets the appropriate test voltage, helping simplify test setup and reduce the risk of selecting an unsuitable voltage.
Internal Jeep Tester for Voltage Verification
An internal Jeep tester allows the instrument to verify that the selected voltage corresponds to the actual test voltage. This provides an additional check of detector performance without requiring a separate external voltage verification instrument for routine checks.
Interchangeable Probes for Different Structures
A wide selection of interchangeable electrodes and accessories allows the Elcometer 280 to be adapted to different structures, surface geometries and inspection requirements.
- Wire brush probes
- Internal pipe brush probes
- External C-type brush probes
- External pipe rolling springs
- Conductive rubber probes
- Grounding mats for ungrounded coated structures
- Probe adaptors for compatible electrodes from other manufacturers
- Standard and telescopic handles for difficult-to-reach areas
Key Features
- Pulsed DC high-voltage holiday detection
- Detects holidays, pinholes and porosity in protective coatings
- Suitable for coatings up to 25 mm (1 in) thick
- User-selectable voltage range from 0.5 to 35 kV
- Ideal for large surfaces and pipeline inspection
- Can test damp, dirty and slightly conductive coatings
- Does not require the earth return lead to be connected directly to the component substrate during suitable pulsed DC testing
- Integrated safety trigger immediately cuts high voltage when released
- Two-stage safety system helps prevent accidental activation
- Bright LED, audible alarm and flashing display indicate detected holidays
- User-adjustable alarm volume
- Internal Jeep tester for test-voltage verification
- Integrated voltage calculator on Model T
- Rugged, shockproof and water-resistant construction
- Large waterproof controls suitable for gloved operation
- Clear backlit LCD for low-light environments
- Quick-release rechargeable battery pack
- Wide selection of interchangeable probes and accessories
Technical Specifications
| Product | Elcometer 280 Pulsed DC Holiday Detector |
|---|---|
| Model S Part Number | D280-S—- |
| Model T Part Number | D280-T—- |
| Model S Inspection Kit | D280-S-KIT |
| Model T Inspection Kit | D280-T-KIT |
| High Voltage Range | 0.5 – 35 kV Pulsed DC |
| Voltage Adjustment | 0.5 – 1 kV: 10 V steps; 1 – 35 kV: 100 V steps |
| High Voltage Output Accuracy | ±5% or ±50 V below 1000 V |
| Pulse Repetition Rate | Approximately 30 Hz |
| Maximum Coating Thickness | Up to 25 mm (1 in) |
| Operating Temperature | 0°C to 50°C (32°F to 120°F) |
| Power Supply | Rechargeable battery pack |
| Battery Charging Time | Approximately 4 hours for a full charge |
| Instrument Case | PC ABS |
| Dimensions | 603 × 219 × 193 mm (23.7 × 8.6 × 7.6 in) |
| Weight | 3.0 kg (6.6 lb), including battery pack and without probe attached |
Model Comparison
| Feature | Model S | Model T |
|---|---|---|
| 0.5 – 35 kV Pulsed DC Output | Yes | Yes |
| Rugged, Shockproof & Water Resistant | Yes | Yes |
| Integrated Safety Trigger | Yes | Yes |
| Quick-Release Battery Pack | Yes | Yes |
| Internal Jeep Tester | Yes | Yes |
| Integrated Voltage Calculator | No | Yes |
Standard Packing List
- Elcometer 280 Pulsed DC Holiday Detector – Model S or Model T
- 5 m (16 ft) trailing signal return lead
- Rechargeable battery pack
- Battery charger with UK, European, US and Australian plugs
- Shoulder strap
- Operating instructions
Compatible Standards
Depending on the test procedure and application, the Elcometer 280 can be used in accordance with recognised holiday detection standards including:
- AS 3894.1
- ANSI/AWWA C203
- ANSI/AWWA C214
- ASTM D4787
- ASTM D5162
- ISO 2746
- ISO 29601
- JIS G 3491
- JIS G 3492
- NACE SP0188
Q&A
What types of coating defects can the Elcometer 280 detect?
The Elcometer 280 is designed to identify discontinuities such as pinholes, holidays and porosity that can expose the underlying substrate and compromise the protection provided by the coating system.
Why is pulsed DC useful for pipeline inspection?
Pulsed DC concentrates energy into short pulses and allows the Elcometer 280 to inspect large coated structures without requiring the earth return lead to be connected directly to the component substrate. This can make inspection considerably more practical on long pipelines and large surfaces.
Can the Elcometer 280 test a damp or dirty coating?
Yes. One of the advantages of its pulsed DC technology is the ability to test coatings that are damp, dirty or slightly conductive, where conventional continuous DC testing may be more difficult.
What is the difference between Model S and Model T?
Both models provide the main Elcometer 280 holiday detection and safety functions. Model T additionally includes an integrated voltage calculator that determines the appropriate test voltage from the coating thickness entered by the operator.
How does the operator know when a holiday has been detected?
When a holiday is detected, the Elcometer 280 provides multiple indications: the blue LED flashes, the buzzer sounds, the display flashes and the holiday-detection icon appears on the screen.
Does the correct probe need to be selected separately?
Yes. Probe selection depends on the shape and size of the structure being inspected. Available options include wire brushes, internal and external pipe brushes, rolling springs and conductive rubber probes, allowing the detector to be configured for different inspection tasks.
Can the Elcometer 280 be used on very thick protective coatings?
Yes. The high-voltage technique is suitable for testing coatings up to 25 mm (1 in) thick, provided the correct test voltage, electrode and applicable inspection procedure are used.
Can be used in accordance with:
| Back to Top |
