Overview

The surface roughness meter HR3200 is an inductive roughness meter, which is a new product developed by our company. This instrument is suitable for production sites and can measure the surface roughness of a variety of machined parts. The corresponding parameters are calculated according to the selected measurement conditions, and all measurement parameters and contour patterns are clearly displayed on the LCD display.

Features:

Multi-parameter measurement: Ra, Rz, Ry, Rq, Rp, Rm, Rv, Rt, R3z, Rmax, Rsk, Rku, S, Sm, tp, Rmr, Rpc, RzJIS;

High-precision inductance sensor that improves the main structure;

Four filtering methods: RC, PC-RC, GAUSS, and D-P;

Compatible with four standards: ISO, DIN, ANSI, and JIS;

2.4-inch high-brightness OLED display, which can display Chinese, English, Japanese and Chinese languages, all parameters and graphics;

Using ARM processor, the test speed is greatly improved;

Built-in lithium-ion rechargeable battery and charging control circuit, high capacity, no memory effect, continuous working time is greater than 20 hours;

Built-in Bluetooth communication module, can connect to a Bluetooth printer, and can print all parameters and outline graphics;

The Bluetooth communication module can switch to data mode and connect wirelessly to Android data terminals such as mobile phones;

Mini-B USB interface, which can be used as a charging interface and PC communication interface;

Added storage space, the machine has built-in storage of 2M FLASH, and a Micro SD card with a maximum expansion of 32G;

It has automatic shutdown, memory and various prompts and instructions;

It is equipped with upper computer software, compatible with L.U.W multi-operating system platform;

It can be equipped with curved surface sensors, small hole sensors, deep groove sensors, measuring platforms, long rods and other accessories.

Measurement principle

When measuring the surface roughness of the workpiece, place the sensor on the measured surface of the workpiece, and the driving mechanism inside the instrument drives the sensor to slide along the measured surface in a constant speed. The sensor feels the roughness of the measured surface through the built-in contact stylus. At this time, the roughness of the measured surface of the workpiece causes the contact stylus to produce a longitudinal displacement. This displacement changes the inductance of the sensor inductance coil, thereby generating an analog signal proportional to the measured surface roughness at the output end of the phase-sensitive rectifier. The signal enters the data acquisition system after amplification and level conversion. The ARM chip performs digital filtering and parameter calculations. The measurement results are read out on the liquid crystal display, can also be output on the printer, and can also communicate with the PC.

sensor

Detection principle: inductive

Measurement range: 160μm

Needle tip radius: 5μm

Needle tip material: Diamond

Temperature measurement: 4mN (0.4gf)

Stylus angle: 90°

Longitudinal radius of the conductor: 45mm

Driver parameters

Maximum drive stroke: 17.5mm/0.7inch

Drive speed:

When sampling length = 0.25mmVt = 0.135mm/s

When sampling length = 0.8mmVt = 0.5mm/s

When sampling length = 2.5mmVt = 1mm/s

Vt=1mm/s when returning

Display error:Not greater than ±10%

Display value variability:No more than 6%

Show content

Menu: Modify measurement conditions, calibrate display values, select communication with PC or print output, etc.

Parameters: Compatible with four standard roughness parameters: ISO, DIN, ANSI, and JIS.

Graphics: Unfiltered contour graphics, filtered contour graphics and TP curves.

Prompt information: measurement information, menu prompt information, error information, battery level and shutdown prompt information.

Contours and filters

Resection length/sampling length l

Automatic, 0.25mm, 0.8mm, 2.5mm optional

Assessment length ln

(1~5)lOptional

Roughness parameters and display range

Measurement range and resolution

Temperature/humidity range

Working environment: Temperature: 0 ~ 40℃

Humidity: <90% RH

Storage and transportation environment: Temperature: -40℃ ~ 60℃

Humidity: <90% RH

Dimensions and weights

140×52×48mm, about 440g.

Standard configuration