TR220 is a portable surface roughness tester with mechatronic design, built-in high-performance ARM processor,
and compatible with many national standards such as ISO, DIN, ANSI,
JIS, etc. It has the characteristics of high measurement accuracy,
wide measurement range, easy operation, portable and stable
operation. And it has a large data storage capacity, low power
consumption, automatic sleep and etc. The instrument is a sensor
host integrated instrument, built-in high-capacity polymer lithium
battery, long time for measurement work, can achieve the data
measurement, display, storage, Bluetooth printing and other
functions.The instrument is available with optional accessories
such as curved surface sensor, small hole sensor, deep groove
sensor and measuring platform. It is widely used for surface
roughness inspection in many fields such as automobile
manufacturing, machining, metal processing equipment, printing and
packaging, mould casting and etc.
Product Features
l Large range, multi-parameter, 14 roughness parameters can be
measured: Ra, Rz=Ry(JIS), Rq, Rt=Rmax, Rp, Rv, R3z, R3y, RzJIS, Rs,
Rsk, Rku, Rsm, Rmr;
l Mechatronic design, small size, light weight, easy to carry, easy
to operate;
l Using stylus with half-surrounded guide improves the measuring
range;
l Gauss.D_P.RC.PC_RC Filter Method;
l Compatible with ISO, DIN, ANSI, JIS four standards;
l The display is full of information, intuitive, and can display
all parameters and graphs;
l The display LCD adopts the popular 2.0' IPS display with high
brightness and no dead space, suitable for various situations;
l Adopting 1000mAh lithium ion rechargeable battery, it can work
for a long time without memory effect;
l Large capacity data storage, can store 500 sets of raw data and
waveforms;
l The automatic shutdown function and low-power hardware and
software design make the instrument work for a long time, which is
suitable for all kinds of on-site use;
l Can connect to a dedicated Bluetooth printer to print measurement
reports in real time;
l The sensor has a protection device that effectively protects the
sensor stylus and ensures measurement accuracy;
l Using low-power ARM microprocessor for data calculation and
processing, adopting high-precision op-amps and ADC, greatly
improving the measurement accuracy and calculation velocity;
l Support waveform display and rate curve;
l Chinese/English language options.
Basic Parameters
| Detection principle | inductive | Maximum drive travel | ≤ 1 7 . 5 m m |
| Measuring range | 320 μ m | Measuring range | Ra,Rq: 0.005μm ～32μm; Rz,Ry,Rt,Rp,Rm: 0.02μm～320μm; Rsm, Rs: 1mm; Rmr: 0~100%; |
| Needle tip radius | 5 μ m | Accuracy | 0.001μ m |
| Needle tip material | diamond | Value error | ≤ ±8% |
| Measured force | ≤4mN | Value Variability | ≤ 5% |
| Needle stylus angle | 90° | Power supply | Built-in lithium-ion rechargeable battery/ external power adapter |
| Leader longitudinal radius | 45mm | Data output | Bluetooth/USB |
| Parameter measurement | Ra. Rq . Rz . Rt . Rp. Rv . RS . RSm . Rsk . Rku . RPc .Ry. Rmax.
R3z |
| Sample length | 0.25mm, 0.80mm, 2.50mm |
| Evaluation length | 1L~5L optional (L is the sample length) |
| Overall size | 156mm × 55mm × 46.5 mm |
| Instrument weight | ≦ 398 g |
| Work environment | Temperature: -20℃～40℃; Relative humidity: < 90%, no vibration,
no corrosive medium around |
| Optional accessories | Curved surface sensors, small hole sensors, groove sensors, deep
groove sensors, extension rods, Bluetooth printers, measuring
platforms |
Standard Configurations
| Serial number | Name | Quantity | Remark |
| 1 | Roughness tester host | 1 | |
| 2 | Sensor case | 1 | |
| 3 | Standard Sensor | 1 | |
| 4 | Data cable (charging cable) | 1 | |
| 5 | Roughness standard test block | 1 | |
| 6 | 5V/2A Charger | 1 | |
| 7 | Manual | 1 | |
| 8 | Certificate | 1 | |
| 9 | Warranty card | 1 | |
| 10 | Instrument box | 1 | |
