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# KH-260plus

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Description

KH-260plus Technical Specifications

Feature
lPen type design, self contained (Impact device and display integrated): no cables.
l The unique large-screen OLED color display（1.77-inch OLED Screen）integrated hardness tester in the world
l Double coil design for impact device , no A/D conversion error, to get the speed ratio directly with high repeatability
l Interchangeable D impact device (standard) /DL impact device (optional) can achieve one unit dual use; can be used in the restricted area measurement.
lWith battery compartment, battery can be replaced. Using standard AAA Lithum battery.
l Highly accuracy in any impact direction (360°), automatically identify impact direction and gravity compensation.
lEasy Operation, the four soft keys above the screen achieve the various functions.

Working Principle
The impact body impacts into the work piece and rebounds back. The rebound and impact velocities are measured at the 1mm point from the work piece in the following way: the integrated permanent magnet will produce directly proportional voltage with the impact velocity. The Leeb hardness values are calculated by the following formula:

Instrument Specifications
Display Type | 1.77 inch OLED with resolution 160x128 pixels
Hardness Scale | HL, HB, HRB, HRC, HV, HS. σb.
Measuring Range | HLD (200-960) HRC（19.8-68.5） HB（30-651） HV（80-976） HS（26.4-99.5） HRB（13.5-100）.σb.(375-2639)
Impact Device | D type impact device (Standard); Optional DL type impact device(Only KH260plus)
Accuracy | ±6HLD (HLD=800) Repeatability ﹤6HLD (HLD=800)
Measuring direction | 360 degree by manual setting
Material | Steel& Cast Steel, Stainless Steel, GC IRON, NC IRON, Cast Aluminum alloy, Macht metal, Copper-tin alloy, Brass, Forged Steel
Resolution | 1HL, 1HV, 1HB, 0.1HRB, 0.1HRC, 0.1HS
Calibration | Automatic
Language | English
Memory: | 1000 groups ,each group include 6 testing result and 1 average value(Only KH260plus)
Communication | USB port, used for recharging and data transmission（Only KH260plus）
Software | LmVIEW Software for transmission, storage, and printing (Only KH260plus)
Power | AAA Polymer lithium battery ,Capacity of 600 MA/H,voltage:3.7 V, warning under low voltage
Instrument Shut-off | AUTO OFF after 3 minutes of inactivity
Temperature | -10℃~ +50℃
Net Weight | 110g with D type impact device,125g with DL type impact device
Size | 150mm*46mm*23mm
Standard | GB/T 17394-1998, ASTM A956

Optional Accessaries
DL Impact Device Connector | Calibration Block (3 kinds of hardness) | Supporting Ring(14 types)

Related Products

##### KH-320

##### KH-100S

##### KH-500

##### KUH-50

##### KH-220

##### KH-180

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