HT instruments HT7052 - Manual (Page 8)

HT7052
EN - 6
4 DESCRIPTION OF PARTS
4.1 INSTRUMENT DESCRIPTION
Fig. 1: Instrument description
LEGEND:
1 ON/OFF key to switch the instrument ON or OFF
2 START/STOP key to start or stop any measurement
3-4-5-6 , , , arrow keys to select parameters and set values
7 SELECT key to enter set-up mode parameters
8 ESC key to exit the selected mode
9 MEM key to store, recall and erase results
10 Light key to turn the display backlight ON or OFF
11 Positive insulation resistance test terminal +OUTPUT
12 -13 GUARD test terminals intended to lead away potential leakage current
14 Negative insulation resistance test terminal –OUTPUT
15 Screw to fixing battery cover
16 Battery cover
17 USB galvanic port for connection to PC
18 RS-232 galvanic port for connection to PC
19 Mains connector to connect the instrument to the mains supply
20 LCD display
21 Label with serial number of the instrument