LEMAG DI-4 Deflection Indicator
Accurately measure crankshaft alignment with the LEMAG DI-4 Digital Deflection Indicator. This precision German-engineered tool features a clear backlit LCD for reliable engine maintenance and diagnostics.
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LEMAG DI-4 Deflection Indicator
The LEMAG DI-4 is a high-precision digital deflection indicator engineered for the critical task of crankshaft alignment measurement in large diesel and gas engines. Manufactured by the renowned German company Lehmann & Michels, this robust tool replaces traditional mechanical dial gauges to provide superior accuracy, repeatability, and ease of use. It features a large, backlit LCD screen that delivers clear readouts in millimeters (mm), ensuring visibility even in poorly lit engine rooms. The intuitive four-button interface allows for simple operation, including power, zeroing the measurement, and resetting the device. The DI-4 is an essential instrument for marine engineers and power plant technicians to monitor engine health, prevent bearing damage, and ensure optimal operational efficiency.
Technical Specifications:
- Measuring Range: ± 5.00 mm
- Resolution: 0.001 mm (1 µm)
- Display: Digital LCD with backlight
- Power Supply: 9V Block Battery
- Manufacturer: Lehmann & Michels (LEMAG), Germany
- Article Number: 21900023

| Brand | LEMAG |
|---|---|
| Model | DI-4 |
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Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network

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