Elcometer 304 Ultrasonic Material Thickness Gauge - Discontinued
Replaced by the Elcometer MTG
The Elcometer 304 ultrasonic material thickness gauge is ideal for measuring the material thickness or material sound velocity of virtually any material such as metals, plastics, glass, epoxies & ceramics in a wide range of applications.
Measures uncoated & coated surfaces
The new flexible, easy to use Elcometer 304 doesn’t just measure uncoated surfaces but can also measure coated surfaces. Using Echo Echo ThruPaint™ mode (EE), coatings up to 2mm (80mils) are ignored.
Choose & customise the reading display
The new Elcometer 304 has a choice of display modes allowing the user to select the most appropriate for their needs; Readings, Selected Statistics, Bar Graph, Run Chart & Differential Mode.
User-definable limits for pass/fail indication
Limits can be set on the new Elcometer 304 for individual readings or for each batch with audible & visual pass/fail warnings.
Store each measurement for further analysis
Up to 100,000 readings can be saved into the gauge memory as each measurement is taken, which can later be downloaded into an inspection application or into ElcoMaster® for further analysis and reporting.
Data output to PC, Android™ or iOS mobile device
Connect the new Elcometer 304 via Bluetooth® or USB to a PC, Android or iOS mobile device & download the data into an inspection application or into ElcoMaster® for instant report generation.
Key features of the Elcometer 304 Ultrasonic Material Thickness Gauge include:
- 2-Point, 1-Point, Material, Velocity, Thickness Set & Factory calibration options, allowing accurate measurements of a wide range of materials
- Up to 3 programmable calibration memories, allows the user to select a saved calibration method without the need to recalibrate the gauge
- Hi & Lo limit indicators provides indication of problem areas
- Selectable measurement rate of 4, 8, 16Hz (4, 8, 16 readings per second)
- Scan mode at 16Hz, ideal for measuring a large surface area
- Integrated zero disc, ensures maximum accuracy
- Stores up to 100,000 readings in up to 1,000 sequential batches for further analysis & downloading to a PC or mobile device
- USB & Bluetooth® data output to ElcoMaster® PC or ElcoMaster® Mobile App for instant report generation
- Intelligent transducer attached with auto recognition, ensures correct probe is identified when transducer is changed. The Elcometer 304 is supplied as a gauge only, without transducer. Transducers must be ordered separately.
Product Features
| Material Thickness Gauge | ||||
| Easy to use menu structure in multiple languages | ■ | |||
| Tough, impact, waterproof & dust resistant; equivalent to IP54 | ■ | |||
| Bright colour screen; with automatic or manual brightness adjustment | ■ | |||
| Scratch and solvent resistant display; 2.4" (6cm) TFT | ■ | |||
| Large positive feedback buttons | ■ | |||
| USB power supply via PC | ■ | |||
| Gauge software updates1 via ElcoMaster® Software | ■ | |||
| Data Output | ■ | |||
| USB; to PC | ■ | |||
Bluetooth®; to PC, Android™ & iOS devices | ■ | |||
ElcoMaster® PC software | ■ | |||
| 2 year gauge warranty2 | ■ | |||
| Limits; 40 definable audible & visual pass/fail warnings | ||||
| Auto transducer recognition & ‘V-path’ correction | ■ | |||
| Reading Rate | 4, 8, 16Hz3 | |||
Measurement Mode | Range4 | Accuracy5 | ||
| Pulsed Echo (PE) | 0.63 - 500mm (0.025 - 20”) | ±0.05mm (0.63-9.99mm) | ±0.004” (0.025-0.393”) | ■ |
| Echo Echo ThruPaint™ (EE) | 2.54-20.00mm | ±0.05mm (2.54-9.99mm) | ±0.004” (0.100-0.393”) | |
| Velocity Mode (VM) | 1,250-10,000m/s | |||
| Measurement Units | ||||
| mm or inches | ■ | |||
m/s, inch/µs | ||||
| Repeatability / Stability Indicator | ■ | |||
| Display Modes | ||||
| Reading | ■ | |||
Selected statistics, Scan thickness bar graph, | ||||
| Selectable Reading Resolution | ||||
| Lo; 0.1mm (0.01 Inch), 10m/s (0.001 in/μs) | ■ | |||
Hi; 0.01mm (0.001 Inch), 1m/s (0.0001 in/μs) | ||||
| Statistics | ||||
Number of readings (n), Mean (average) (x), | ■ | |||
Low / High limit value, Reading Range Value, | ||||
| Calibration Options | ||||
| Zero (using the integrated zero disc) | ■ | |||
1-Point & 2-Point | ■ | |||
Material selection; 39 preset materials | ■ | |||
Factory; resets to the factory calibration | ■ | |||
Velocity (speed of sound) | ■ | |||
Known Thickness Value | ■ | |||
Calibration Features | ||||
Calibration memories; 3 programmable memories with optional PIN calibration lock | ■ | |||
Measurement outside calibration warning | ■ | |||
Data Logging | ||||
100,000 readings in 1,000 alphanumeric batches | ■ | |||
Fixed Batch Size mode; with batch linking | ■ | |||
Date & time stamp, Review, Clear & Delete batches | ■ | |||
Batch review graph | ■ | |||
Technical Specification
| Part Number | Description | ||
| - | Elcometer 304 Ultrasonic Material Thickness Gauge | ||
| Transducer Probe type | Dual Element | ||
| Measurement Mode | Range4 | Accuracy5 | |
| Pulsed Echo (PE) | 0.63 - 500mm (0.025 - 20”) | ±0.1mm (0.63-19.99mm) ±0.5% (20.00-500.00mm) | ±0.004” (0.025-0.787”) ±0.5% (0.788-20.00”) |
| Echo Echo ThruPaint™ (EE) | 2.54 - 20.00mm | ±0.05mm (2.54-9.99mm) | ±0.004” (0.100-0.393”) |
| Velocity Mode (VM) | 1,250-10,000 m/s | ||
| Resolution | 0.1mm (0.01”) or 0.01 (0.001”) switchable | ||
| Reading Rate | 4, 8 & 16Hz (4, 8 & 16 readings per second) | ||
| Operating Temperature | -10 to 50°C (14 to 122°F) | ||
| Data Output | USB & Bluetooth® | ||
| Power Supply | 2 x AA batteries | ||
| Battery Life6 ; | Alkaline: Approx. 15 hours Lithium: Approx. 28 hours | ||
| Gauge Weight | 210g (7.4oz) - including batteries, without transducer | ||
| Gauge Dimensions | 145 x 73 x 37mm (5.7 x 2.87 x 1.46") - without transducer | ||
| Packing List | Elcometer 304 Ultrasonic Material Thickness Gauge, ultrasonic couplant, plastic transit case, carry pouch, 3 x screen protectors, wrist harness, 2 x AA batteries, operating instructions, calibration certificate, 2 year warranty extension card, ElcoMaster® software CD & USB cable. | ||
1 Internet connection required.
2 Elcometer 304 gauge is supplied with a one year warranty against manufacturing defects. The warranty can be extended to two years here.
3 User selectable, default setting in scan mode is 16Hz.
4 Dependent on the material being measured and the transducer being used.
5 On steel.
6 When in continuous reading mode at a reading rate of 4Hz. Rechargeable batteries may differ.
Standards
ASTM E 797, EN 14127, EN 15317
