MARTEST – 3D TOUCH PROBES

Name: MARTEST – 3D TOUCH PROBES
Brand: Mahr
SKU: 4304300

Code:

MARTEST 802 EW DIGITAL 3D TOUCH PROBE Excellent readability thanks to combined display: – bar graph for dynamic path information – digital display for exact readings Can be controlled independently of a machine tool Large working range in all axes (X, Y, Z) prevents damage to the stylus by contacting errors Compact metal housing and

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MARTEST – 3D TOUCH PROBES

Product Overview

The Mahr MarTest 802 3D Touch Probe series (Models 802 EW Digital and 802 NW Mechanical) consists of high-precision measuring instruments designed for use on machine tools. These touch probes feature a compact metal housing, long probe arms, and shockproof movement, allowing them to be controlled independently of a machine tool while preventing stylus damage from contacting errors.

Key Features & Capabilities

Model 802 EW (Digital):
Combined display featuring a bar graph for dynamic path information and a digital readout for exact measurements.
IP 65 protection category.
Automatic switch-off function after 2 hours of inactivity.
ON/OFF control button.

Model 802 NW (Mechanical):
Large, high-contrast mechanical dial face.
IP 67 protection category (waterproof and shockproof, ideal for use on machines with tool changers).
High accuracy and linearity.

General Features (Both Models):
Large working range in all axes (X, Y, Z).
Compact metal housing with a long probe arm.
Independent control capability on machine tools.

Technical Specifications

Technical Parameter	802 EW Digital (Model 4304300)	802 NW Mechanical (Model 4304311)
Order No.	4304300	4304311
Product Type	802 EW	802 NW
Working Areas (X, Y, Z-axis)	-2 to 4 mm	6,6 mm
Graduation Value	—	0.01 mm
Display Ranges	+/- 2 mm	+/- 1 mm
Repeatability at Zero Point (Unidirectional)	± 0,005 mm	± 0,01 mm
Standard	Factory standard	Factory standard
IP Protection Category	IP 65	IP 67