Multi-function Surface Roughness Tester Surftest JER-300
JER-300 is a user-friendly surface roughness measurement instrument designed as a handheld tool or desk-top machine that can be carried with you and used on-site.
- FEATURES
- TECHNICAL DATA
- FUNCTION
- STANDARD ACCESSORIES & OPTIONS
| Mechatronic design, embedded printer directly prints measurement results and graphics, |
| Split type freely selects measurement mode, supports lateral, upward, and other directions of measurement; 320μm large range measurement range (enhanced type can reach 640um) |
| 3.5-inch touch color LCD display, digital/graphic display, with backlight, high brightness, wide viewing angle; |
| Simple key and touch screen dual operation; |
| The display information is rich and intuitive, and can display all parameters and graphics |
| Compatible with ISO, DIN, ANSI, JIS and other national standards, |
| Built-in lithium-ion rechargeable battery and charging control circuit, high capacity, no memory effect, and remaining power indicator icon, prompting users to charge in time; |
| Continuous working time is greater than 50 hours; |
| Large capacity data storage, can store 100 sets of original data and waveforms; |
| Real-time clock setting and display, convenient data recording and storage; |
| With automatic sleep, automatic shutdown and other energy-saving functions; |
| Reliable anti-motor dead circuit and software design. |
| Range | |
| Z axis | 640um(-320um~+320um) 25200uin(-12600uin~+12600uin) |
| X axis | 17.5mm(0.69inch) |
| Resolution | |
| Z axis | 0.002μm/+20μm 0.008um/+80um 0.004um/+40um 0.020um/+160μm |
| Filter | RC,PC-RC,Gauss,D-P |
| lr | 0.25,0.8,2.5mm |
| ln | Ln=lr*n n=1~5 |
| Sensor | |
| Force | 4mN |
| Speed | Ir=0.25,Vt=0.135mm/ lr=0.8,Vt=0.5mm/ Ir=2.5,Vt=1mm/s return Vt=1mm/s |
| Repeatance | ≤3% |
| Power Supply | Li-ion battery,3600mAh |
| Dimension | 155x145x58mm |
| Driver Dimension | 23x27x115mm |
| Weight | 1kg |
Ra
Ry
RZ
Rz(JIS)
Rt
Ry
Rsm RmrRPcRk
RC
RP
RV
R3z
Rsk
Rku
RS
RmaX
Mr2
Rpk Rvk
Mr1
| Scope of Delivery | |
| Main Unit | 1 |
| Standard | 1 |
| Standard block bracket | 1 |
| Height adjustment bracket | 1 |
| Phillips screwdriver | 1 |
| Probe protective cover | 1 |
| Standard sensor | 1 |
| USB charging cable and adapter | 1 |
| Instruction manual | 1 |
| Options | |
| Sensor for curve surface | |
| Sensor for small hole | |
| Sensor for deep groove | |
| Sensor extension | |
| Cast iron base | |
| Granite plate base |






