Features 

OLED display of 128×32 matrix

Converts to all common hardness scales (HL.HV,HB,HRC,HRB,HRA,HS).

Easy to use Menu driven system

With micro USB interface, multiple communication modes are adopted to meet customized requirements of various users

Memory of 600 groups data

Upper and lower limit of hardness can be preset; with alarm

Test value software calibration function

Working voltage: 3.7V rechargeable Li-lon battery

Continuous working period: approx.. 60 hour

Bluetooth included, can be connected with printer through Bluetooth

The machine also include interface to connect with impact device C, DC, G, D+15, DL,E probe.

Smart and skid proof design

Charging indicator

THL278: integrated with D impact device for normal hardness testing

Standard according including: national standard: GB/T 17394.1-2014; GB/T1172-1999

EU standard: EN ISO 16859-2016

ASTM standard: ASTM A956(2012)

Main Application

The assembled machinery and permanently installed parts

Die cavity of molds

Heavy work piece

Failure analysis of pressure vessel, steam turbo-generator set and other large equipment

Testing of parts in confined areas or on gear teeth

Bearings and other parts

Material identification of the metal material warehouse

Specifications                           

Technical Specification
Model	THL278
Impact device	D integrated
Hardness scales	HLD, HB, HRC, HRB, HV, HS
Accuracy	±4HLD(760 ±30HLD)
Memory	600 units
Output	USB
Average Surface Roughness of Work piece	1 .6 μ ( Ra)
Max. Work piece Hardness	900HLD
Min. radius of Work piece (convex/concave)	Rmin = 50mm (with support ring Rmin= 10mm)
Min. Work piece weight	2~5kg on stable support  0.05~2kg with compact coupling
Min. Work piece thickness coupled	5mm
Min. Thickness of hardened layers	0.8mm
Indentation depth	Impact Devices data
Continuous working time	60(without backlight)
Power	Li battery
Operating temperature	0~40℃
Overall dimensions	155mm×60mm×23mm
Weight	200 g

Standard Configuration

	Seq	Name	Qty
Standard configuration	1	Main unit	1
	2	Small Supporting ring	1
	3	Standard Test Block	1
	4	Cleaning Brush	1
	5	Charger	1
	6	Communication Cable	1
	7	Data Software	1
	8	Calibration Certificate	1
	9	Warranty Card	1
	10	Manual	1
	11	Carrying Case	1
	12	Bluetooth printer	1
Optional Accessories	13	Other Types Impact Device: C, DC, G, D+15, DL	1
	14	All kinds of special support ring	1