Product parameters:



Test procedure
Special simple portable hardness testing Rod used for 318. With a slider to set the estimated or known spring pressure. The instrument vertically in the test surface, straight line speed of 10 mm/sec flat 5~10 mm. Test head produces a scratch that is only visible to the naked eye. If spring pressure is too high, scratch is very clear, if the spring pressure is too low, there will be no scratches appeared. By locking the slider can control the amount of pressure, measured in newtons. The scale engraved on the pen consists of 3 pressure range:
| 0-3 N | Blue tag |
| 0-10 N | Red tag |
| 0-20 N | Yellow tag |
Each corresponds to a pressure range of the spring scale corresponds with the colour code.
Maintenance and repair
A clean instrument can produce a test result. To clean it, loosen the nut and remove the tick. Clean with a soft cloth and split pin hole. In addition instruments do not require further maintenance.
Although 318 hardness test great consistency, but the test can't stand a lot of momentum. Provided with the instrument wooden box of a protection function. When not used, the slider should be set to zero in order to protect the accuracy of spring.
Technical data
| Pressure spring: | Spring steel |
| Test head: | Tungsten carbide |
| Head diameter: | 0.5 mm Opel |
| 0.75 mm Bosch | |
| 1.0 mm in accordance with ISO 1518 and DEF | |
| Length: | 160 mm |
| Diameter: | 16 mm |
| Weight, net weight: | About 250 g |
318 type hardness testing rods Hardness test | bar |Germany Erichsen meter order information
Order no | Overview |
| 0002.01.31 | 318 hardness testing instrument letter bar |
The scope of supply -1 head diameter of 0.75 mm Bosch -Three springs -1 wooden box | |
318 type hardness testing rods Hardness test | bar |Germany Erichsen device accessories/parts
Order no | Overview | |
| 0428.01.321 | Test head | In line with Opel |
| 0428.02.32 | Test head | In line with Bosch |
| 0428.03.32 | Test head | In line with ISO 1518 |
| 0429.01.32 | Spring 0-3 n | |
| 0429.02.32 | Spring 0-10 n | |
| 0429.03.32 | Spring 0-20 n | |
