프로펠라식 유속계

                           GR20

 

 

  특 징   Features

 

    본체: GR20(GR20V)

    검출기: GRT-200-20, GRT-200-20N

    소형 / 경량으로 휴대 간편

    Main Unit은 한손에 의해 작동할 수 있는 작은 프로브를 가지고 있다(경량)

    LR-6 전지를 사용해서 20시간동안 연속으로 작동 가능하다.

    취급하기가 쉽고, 연장봉을 줄여서 보관할 수 있다

 

 

  사  양   Specification

    Main Unit GR20 (GR20V)

Measuring range

Standard 3 ~ 400 cm/s

Average Time

1, 5, 10, 20, 40 sec (5 points)

Measuring Mode

Auto (Continuous measurement by preset average time)

Constant Number Setting

A Constant Number : 4beam / B Constant Number  : 2 beam

* It is kept in the built-in memory by the key input

Display

LCD □ □ □ . □ cm/s

Output (Option)

0 ~ 4V    400cm/s = 4V (GR20V)

Power soure

1.5V Dry cell 2pcs

Continuous Use

More than 20 hours by using new dry cell

* With function is automatic power off.

Operation Temp & Humidity

0 ~ 40℃  20 ~ 80% RH (except dews)

Dimensions

83(W) x 152(H) x 34(D)mm

Weight

200g

측정 방향

0~2 m/s±0. 04m/s

 Standard Accessories GR20 (GR20V)

Dry Cell

2 ea

Starap

1 ea

Instruction manual

1 book

Output Cable(1.5m)

1 (Only to GR20V)

   

 GRT-200-20N

Detecting method

Magnet-HALL IC System

Measuring range

3 ~ 200 cm/s

(GRT-300-20N : 3 ~300cm/s , GRT-400-20N : 3 ~400cm/s)

Measuring Accuracy

± 3cm/s

Pulse / Revolving

8 pulse / one revolving

Propeller

ø 20 mm 4wings / Plastic made (ABS & Polypropylene)

Entire length

364mm

Weight

150g

Operation Temp & Humidity

5 ~ 55℃

Water proof connector

200kPa (To the depth of water 20m)

   

 GRT-200-20

Detecting method

Magnet-HALL IC System

Measuring range

3 ~ 200 cm/s

(GRT-300-20 : 3 ~300cm/s , GRT-400-20 : 3 ~400cm/s)

Measuring Accuracy

± 3cm/s

Pulse / Revolving

8 pulse / one revolving

Propeller

ø 20 mm 4wings / Plastic made (ABS & Polypropylene)

Entire length

660mm

Weight

220g

Operation Temp & Humidity

5 ~ 55℃

Water proof connector

200kPa (To the depth of water 20m)