Series 640 - Impact Hardness Testers

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Series 640 - Impact Hardness Testers Testers & Optical Equipment  Measuring Tool


Impact Hardness Testers
Series 640
 
FEATURES
  • Large screen with color display, allows for clear display of all functions and parameters
  • Hardness test can be taken at any angle including inverted
  • A wide measuring range supports the hardness of all metallic materials. Hardness results are directly  displayed in HRB, HRC, HV, HB, HS, HL hardness scales.
  • Six impact devices are available for special application with automatic impact device recognition
  • Diameter of carbide ball: 3mm.
  • Large capacity memory storage of 500 sub groups. Stored information including single measured value,  mean value, test data, impact direction, impact times, material and hardness scale are available
  • Support two languages display, English and Chinese
  • Upper and lower limit can be preset. An audio alarm will automatically sound when the reading is  outside of the preset limits
  • Battery voltage information is displayed including the charge status
  • Calibration function is available.
  • USB1.1 port allows for information to be uploaded directly to a pc
  • High speed thermal printer allows for the readings to be immediately printed
  • 6V Ni-MH rechargeable battery are supplied. The batteries can be charged with the integrated charger.
  • Up to 150 hours of continuous operation battery life between charges (eL off and no printing)
  • Automatic power off after five minutes
STANDARD ACCESSORIES
  • Impact device 1pc
  • Hardness test block 1pc
  • Battery Charger 1pc
  • Paper for printing 1pc
  • Manual 1pc
Digital Models
Range           Accuracy Application
Range
Impact Devices Impact Capacity Code No.
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test the normal
smooth,
flat surface
D 11 Nmm 640-17-1
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test hole or hollow cylindrical DC 11 Nmm 640-17-2
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test small, light,
thin parts and
surface of
hardened layer
C 2.7 Nmm 640-17-3
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test groove or
re-entrant surface
D+15 11 Nmm 640-17-4
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test slender narrow
groove or hole
DL 11 Nmm 640-17-5
(170-960) HLD
(17-68.5) HRC
(19-651) HB
HLD: ±5
HRC: ±1
HB: ±4
Test large, thick,
heavy and
rough surface steel
G 90 Nmm 640-17-6
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