Datasheet > 407227

407227

更新时间： 2022-12-14 19:53:17

品牌	Logo	应用领域
EXTECH		仪表
页数	文件大小	规格书
6页	184K
描述
Heavy Duty pH, mV, & Temperature Meter

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407227 数据手册

Advanced Features

MIN MAX AVG Record / Recall Mode

1. Press the RECORD key (the REC indicator will appear on the LCD).

2. Press the CALL key to view the highest (MAX) reading recorded since the RECORD

key was first pressed. The MAX indicator will appear on the LCD.

3. Press the CALL key to view the lowest (MIN) reading recorded since the RECORD key

was first pressed. The MIN indicator will appear on the LCD.

4. Press the CALL key to view the average (AVG) reading recorded since the RECORD

key was first pressed. The AVG indicator will appear on the LCD.

5. Press the RECORD key again to exit this mode.

6. Note that the Auto Power OFF feature is disabled in this mode.

Automatic Power OFF Feature

This meter is equipped with a battery conservation feature that automatically shuts off the

power after approximately 10 minutes. To defeat this feature, put the meter in the MIN

MAX AVG Record / Recall mode by pressing the RECORD key. To turn the meter off, exit

the Record mode first (by pressing the RECORD key until the RECORD display icon

switches off) and then pressing the POWER key.

Data Hold

Press the HOLD key to freeze the displayed reading. The DH indicator will switch on in the

Data Hold mode. Press the HOLD key again to exit the Data Hold mode and the DH

indicator will switch off.

RS-232 Serial PC Interface

The 407227 is equipped with an RS-232 serial data port. This interface was designed to

operate with the Extech Data Acquisition Software (Part Number 407001). For detailed

information contact your distributor or refer to the 407001 manual.

Page 5

Model 407227 Ver. 2.1 Oct. 2002

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