As Per IS : AS PER IS

SPECIFICATION :-

DIGITAL REBOUND HAMMER- STC TYPE  'N'for High Strength Concrete Hammer should  combine  high  measurement accuracy  with an unmatched  repeatability. Rebound value  does not  require any  angular correction.

Low strength concrete fc (<10 N/mm2,  1'450 psi)  and  high  strength  concrete  (up  to 100 N/mm², 14'500  psi).

Conforms  to  EN 12504-2, ASTM  C  805,IS 13311-2  Supplied  with  measurement device having big size display, meter should be phone size   design   with   voltage  alert   alarm with

flashlight.  Capable  for  measure the  freq and voltage

No software, no data store

Impact energy: 2.207  Nm Spring  constant: 0.79  N/mm Spring  extension: 75 mm (2.95")

Display: 17 x 71  pixels;  graphic  I alphanumeric

Power consumption: ~13 mA measuring, ~4 mA

setup and review, 0.02  mA idle

Battery life: >5000 impacts (before recharging )

Charger  connection:  USB type B (5V, 100 mA) Concrete compressive    strength:  10-100 N/mm²  ( 1450-14500 psi)

Operating  temperature:   0 to 50 °C (32 to 122 °F)

Includes:Digital hammer with USB cable cum charger,

grinding  stone, chalk, documentation  and carrying  case.