Máy đo ăn mòn cốt theo trong bê tông Elcometer 3W331H---4

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Hãng sản xuất: Elcometer
Model: W331H---4
Xuất xứ: Anh
Bảo hành: 12 tháng

Đo Half-cell
Mành hình đồ họa lớn với đèn nền
Cấu trúc menu nhiều ngôn ngữ
Hộp chống nước IP65
Điều chỉnh tiếp bíp và lỗ cắm tai nghe
Bộ nhớ tuyến tính lên tới 200 batches của 1000 giá trị đọc
Bộ nhớ lưới: lên tới 240000 giá trị đọc
Nhiệt độ hoạt động: 0 to 50°C
Kích thước: 230 x 130 x 125mm
Trọng lượng: 1.54kg
Danh mục đóng gói: Máy chính, 25 m cáp với ống cuộn, 1.7 m cáp kết nối  với Half-cell đen, 1.7 m thép đỏ kết nối cáp, pin sạc và sạc, tai nghe, dây đeo vai, hộp đựng nhựa và hướng dẫn sử dụng



Elcometer 331 Half-Cell Meters

These easy to use half-cell meters measure the condition and potential corrosion of rebars and steel structures within concrete.

When corrosion occurs the ferric oxide protective layer surrounding the concrete breaks down allowing an electrochemical reaction between the steel and the concrete.

In the half-cell test, a reference electrode is passed over the surface of the concrete and the potential voltage difference is recorded. These potential voltage readings show where corrosion is likely to be, or is currently present.

The Elcometer 331 Half-Cell Meter is available in two models - Model H and Model HM.

Elcometer 331 Model H: entry level gauge without memory which allows users to measure the half-cell potential in concrete structures.

Elcometer 331 Model HM: supplied with memory and allows users to store up to 240,000 readings in either linear or grid batches.

Key features:

  • Large, easy to read backlit display: for easy viewing in dark environments
  • Single handed operation: most functions can be accessed & controlled through 4 simple keys
  • Intuitive menus in multiple languages: allows use straight out of the box
  • Rechargeable battery supply: battery packs can be charged inside or outside the gauge
  • Ergonomically shaped case: for ease of use and comfort, with a gentle curve to fit snugly against the hip
  • Powerful CoverMaster™ Software (supplied with the Model HM): ultimate data management tool to store half-cell readings and produce professional reports quickly and easily

Elcometer 331 Half-Cell Meters

Technical Specification

Product Features




Half-Cell measurement

Large graphics display with backlight

Multiple language menu structure

Rugged waterproof case (IP65)

Adjustable beep volume & earphone socket

Covermaster software




Date & Time





Linear batch memory


Up to 200 batches of 1000 readings#

Grid batch memory


Up to 240,000 readings#

# Linear batch mode: up to 200 batches of 1,000 readings each Grid batch mode: up to 1,000 batches, maximum number of readings: 240,000

Technical Specification 

Part Number



Elcometer 331 Half-Cell Meter Model H


Elcometer 331 Half-Cell Meter Model HM

Power Supply

7.4V battery pack provides up to 32 hours of continuous use (20 hrs if backlight is on). Rechargeable in 4 hours either inside or outside the gauge using an external charger.

Operating temperature

0 to 50°C (32 to 120°F)


230 x 130 x 125mm (9 x 5.1 x 4.9")


1.54kg (3.4lbs)

Packing List

Half Cell Meter, 25m extension cable on spool, 1.7m red rebar connecting cable with connecting clip & 1.7m black half-cell connecting cable, rechargeable battery pack & charger (UK, US & EU), earphone, shoulder strap, plastic carry case & operating instructions.


Model HM is also supplied with Covermaster software and PC cable.

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