Новое поступление
Магазина Graigar Instruments Store работает с 15.06.2011. его рейтинг составлет 80 баллов из 100. В избранное добавили 473 покупателя. Средний рейтинг торваров продавца 4.3 в продаже представленно 1613 наименований товаров, успешно доставлено 601 заказов. 50 покупателей оставили отзывы о продавце.
Характеристики
*Текущая стоимость US $834.90 уже могла изменится. Что бы узнать актуальную цену и проверить наличие товара, нажмите "Добавить в корзину"
| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Jul-26-2026 | 992.59 руб. | 1042.80 руб. | 1017 руб. |
| Jun-26-2026 | 984.46 руб. | 1033.82 руб. | 1008.5 руб. |
| May-26-2026 | 826.90 руб. | 867.7 руб. | 846.5 руб. |
| Apr-26-2026 | 967.92 руб. | 1015.31 руб. | 991 руб. |
| Mar-26-2026 | 842.17 руб. | 884.11 руб. | 863 руб. |
| Feb-26-2026 | 951.57 руб. | 999.41 руб. | 975 руб. |
| Jan-26-2026 | 942.16 руб. | 989.59 руб. | 965.5 руб. |
| Dec-26-2025 | 934.82 руб. | 981.45 руб. | 957.5 руб. |
| Nov-26-2025 | 926.14 руб. | 972.92 руб. | 949 руб. |
Описание товара







JD-220 Digital Portable Roughness Tester Roughness Meter
The performance advantage
-The roughness of metal and non-metallic surface
-Pocket-size & economically price
-Large measuring range suitable for most materials
-Features external calibration at keyboard
-Optimized electric circuit design with transducer structure-design,high integrate power, driver and display.
-Select freely with Ra,Rz, Rq, Rt parameters.
-It could test ex-circle, flat surface, conical surface and also test groove with length and width larger than 80*30mm.
Main Function:
-Shape used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly, in line with the design of the new trend.
-Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved.
-Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle,, is suitable for various occasions.
-The lithium ion rechargeable battery, can work for a long time, no memory effect, can while charging, charging time is short, long battery life.
-Charging and communication using the common USB interface. Using a dedicated charger or computer USB port for charging, convenient and quick.
-Dot matrix liquid crystal display, interface prompt information rich.
-Real-time monitoring of lithium battery power and display, and to remind users to charge with charging progress indication.
-Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use.
Specification:
-Testing parameters(µm):Ra,Rz, Rq,Rt
-Stroke length(mm):6
-Sample length(mm):0.25 ,0.80 ,2.50
-Evaluation length(mm):1.25 ,4.0
-Measuring range(µm): Ra:0.05~10.0 Rz:0.1~50
-Error:±15%
-Variability:<12%
-Transducer contacting pin round diameter and angle:
-Contacting pin round diameter:10 µm±1 µm
-Battery:3.7V Li
-Size:106 mm*70 mm*24 mm
-Weight:200g
-Sensor needle static force and its rate of change:
Stylus static force: ≤ 0.016N
Force measuring rate of change: ≤ 800N/m
-Working conditions:
Temperature:-20℃~40℃
Relative humidity:< 90%
No shake and coercivity around





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