| Parameter | HL |
| Display Type | LCD |
| Model Name/Number | PHT-I |
| Automation Grade | Automatic |
| Hardness Scales | HV, HB, HRC, HRB, HRA , HS |
| Accuracy | +1- 0.5% |
| Standard Impact Device | impact device of Type D |
| Screen Display | 128X64 dot matrix LCD, backlight and adjustable contrast |
| Measuring Direction | 360 degree (down, inclined down, level,inclined up and up) |
| Maimum Hardness of The Measured Work Piece | 940HV (for D,DC,DL,D+15,C impact device) |
Main Functional Parameters
1. Choose Testing Materials, Hardness Scales, Measuring Direction and times of Tests By Button;
2. Direct Display of Hardness Scales including HRB, HRC,HV, HB, HS, HL Show the Result of Each
Test Repeatedly, Automatically or Manually Remove the Wrong Test Results;
3. Directly Output the Average Single Test Result or All the Results In One Time;
4. Automatic detection of the Battery Voltage, Low Voltage Warning for Battery protection, With Battery
Indicating Icon in Test Status;
5. Plenty of Status Bar Display, Displaying Bluetooth, Buzzer, Error Information, Time, Battery Quantity and so on.