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HTD900S Case Depth
and Core Hardness Tester

The HTD900S is designed mainly for very fast testing of shallow case depth analysis up to 0.040" (1 mm). This is an Ernst patented product that operates by applying an increasing load while measuring the indentation depth. The depth is detected by measuring the electrical resistance of the special indenter coating. The depth of the indentation is converted to a Rockwell-equivalent hardness value and the case-hardness curve is generated and a case-depth value is calculated for a given hardness.
  • Saves 90% of the time to do a case depth analysis
  • Non-destructive hardness tester reduces or eliminates destructive sectioning test samples
  • Much less prep time required - faster turnaround for better manufacturing control
  • Operates on shallow case depths up to 0.40"
  • Automatically generates graphs and case depth

HTD900S can test the case depth to 1mm

HTD900s test method

The clamping feature makes testing easier and more accurate in bad environments. The test procedure consists of pulling the lever until it stops and releasing - all in two seconds.

HT900S SPECIFICATIONS

PRINCIPLE OF OPERATION
TEST LOADS
MEASUREMENT RANGE
TOLERANCE
TEST RESULTS
INDENTER
CAPACITY
ELECTRONICS
POWER
TEMPERATURE
DIMENSIONS
WEIGHT
Depth of indentation / Conductivity (Ernst patented)
500 - 900 kg
0.05mm - 1mm
+/ 5%
Reported in mm and equivalent Vickers
Diamond with semiconductor coating
260mm (H) x 300mm (Throat)
Industrial grade -PC, XP operating system
110-230 V AC, 50-60 Hz
10-50 C
370mm (W - 900mm w/PC) x 1000mm (H) x 800mm (D)
195 kg
 

HTD900S Tests the core hardnes and case depth in seconds

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