Extech Instruments RH520 User Manual download pdf (Page 4)

RH520 V2.9 3/07 4

RH520 Description

1. Remote sensor

2. Sensor cable

3. LCD Display

4. Swivel keypad / table-top stand

5. PC interface jack

6. Universal alarm

module jack

7. AC adaptor jack

8. DATA RESET button (clears recorded measurement data and alarm history)

9. Temperature units select switch (C or F)

10. PROGRAMMING RESET button (clears programming changes but retains

measurement data and alarm history)

11. Display CONTRAST adjust

12. Sensor cable storage area

13. ‘AA’ 1.5V batteries

14. Sensor cable run

15. Wall mount holes

812 1314

91011

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Extech Instruments RH520 User Manual Page 4