Digital concrete test hammer
Digital concrete test hammer HT-225W
Digital concrete test hammer HT-225D

HT-225W/225D

The new and advanced model of digital concrete hammer microprocessor operated consists of the standard unit similar to the model HT225 but equipped with an electronic transducer which converts the rebound of the hammer into an electric signal and displays it in the selected stress unit.



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This new and advanced model of digital concrete hammer microprocessor operated consists of the standard unit similar to the model HT225 but equipped with an electronic transducer which converts the rebound of the hammer into an electric signal and displays it in the selected stress unit.
The digital hammer, which is battery operated, can be easily connected to a PC or serial printer via the RS 232 port. A large permanent memory can store up to 48000 results. Supplied complete with battery charger and serial cable.

HT-225W
HT-225W.jpg

HT-225D
HT-225D.jpg


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TECHNICAL PARAMETERS

HT-225W
Measuring strength ranges: 10-60 Mpa
Impact energy: 2.207 Nm
Strike hammer stroke: 75 mm
The consistency of the sample displayed values: ≤±0.5(difference value between digital sampling output value and the pointer readings)
Stiffness of strike tension spring: 785N/m
The rebound values calibrated on steel anvil: 80±2
Display: 16-bit true color, 176×220 resolution, 5 grades backlight adjustment
Power: 3.7v /2300mAh rechargeable lithium battery
Power consumption approx.: 100 mA (Voice off) Maximum backlight situation
Communication interface: USB2.0 full-speed
Gross weight approx.: 4.5 Kg

HT-225D
Scope of strength: 10-60 Mpa
The kinetic energy of the nominal: 2.207J
Spring stiffness: 7.84N/cm
Impact hammer stroke: 75mm
Consistency error: ≤±0.5 (The difference between the reading of the pointer of the mechanical resilience meter and the reading of the instrument screen)
Steel anvil rate set rebound value: 80±2
Dimensions: 55×55×270 mm
Weight: 1.0 Kg
Operating ambient temperature: -10℃~40℃
Packing specification: Material: Engineering plastic; Dimensions:420*140*335mm; Weight:6kg



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