This document is an instruction manual for the RH-150 portable Rockwell hardness tester, which introduces the technical parameters, standard configuration, functional description, workpiece pre-processing, basic operation, etc.
The G&R Technology RH-150 is a portable Rockwell hardness tester designed for on‑site material testing. This manual provides step‑by‑step instructions for setup, pre‑testing preparation, operation, and data handling, as well as guidelines for selecting accessories such as anvils and support fixtures.
Key features include selectable hardness scales (HRA, HRB, HRC), automatic storage of up to 500 test results, a built‑in clock with calendar, and battery operation using two AA cells. The document also details calibration procedures, battery replacement, and maintenance recommendations to ensure accurate and reliable measurements. This manual is written in Chinese.
| Test range | HRA 20‑88, HRB 20‑100, HRC 20‑70 |
|---|---|
| Power source | Two AA batteries (1.5 V each) |
| Battery life (continuous) | 60 hours |
| Weight | 2.4 lb (1.1 kg) |
| Data storage capacity | 500 test results |
The instrument can automatically store up to 500 test results, including test values, conversion values, and averages.
The battery provides up to 60 hours of continuous operation.
Open the battery compartment, insert two AA batteries with correct polarity, and close the compartment. After replacement, turn on the instrument and calibrate the clock.