HTC DM 91 Руководство по эксплуатации - Страница 7

Просмотреть онлайн или скачать pdf Руководство по эксплуатации для Измерительные приборы HTC DM 91. HTC DM 91 7 страниц. Digital multimeter

temperature measuring socket on the front panel and contact the object to be measured with thermocouple probe.

4.12.4 You can get a reading from LCD.

5. MAINTENANCE

Before attempting to remove the battery door or open the case, be sure that test leads

have been disconnected from measurement circuit top avoid electric shock hazard.

5.1 BATTERY REPLACEMENT

5.1.1 If the symbol '

' appears on the LCD display, it indicates that the battery should be replaced.

5.1.2 Loosen the screws fixing the battery door and remove it.

5.1.3 Replace the exhausted battery wit ha new one.

5.1.4 Put the battery door as its origin.

5.2 FUSE REPLACEMENT

To avoid electrical shock, remove test leads from measurement circuits before replacing

the fuse. For protection against fire, replace fuses only with specified ratings:

F1-200mA/250V fuse, F2-10A/250V fuse.

5.2.1 Fuses rarely need replacement and blow almost always as a result of the operator's error.

5.2.1 Loosen the screws fixing the case and remove it.

5.2.3 Replace the blown fuse with specified ratings.

5.2.4. Put the case as its origin.

5.3 TEST LEADS REPLACEMENT

Your must replace the test leads if the lead is exposed, and should adopt the leads with the same specifications as origin.

Full in compliance with safety standards can be guaranteed only if used with teat leads

supplied, if necessary, they must be replaced with same model or same electric ratings.

Electric ratings of test leads: 1000V 10A.

5.4 HOW TO USE BRACE



When this mete isn't used for standing, attach the case to the panel face for safe keeping.

When measuring, attach it either to the rear case side or use it as a stand illustrated in the cover. It can be changed into three positions



for easy reading.



Turn the standard to the upper meter, take it as a hanging hook.

6. ACCESSORIES

[1] Test Leads: electric rating 1000V 10A

[2] Battery: 9V, 6F22 or NEDA 1604

[3] Fuse: F1-200mA/250V

[4] Fuse: F2-10A/250V

[5] 'K' type Thermocouple

[6] Operator's Manual

[7][ Holster

WARNING