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RH520A-en-GB_v4.8   6/19

 

 

SAMPLE RATE DISPLAY 

1.

 

Press the VIEW and the TIME buttons simultaneously from the Standard View mode 

2.

 

Both numerical displays will switch off so that the LCD can show only the sample rate in 
minutes (the MIN display icon will switch on) 

3.

 

The projected TIME-DAYS that the internal memory will be full (based on the current sample 
rate) is displayed in the TIME and DATE display areas 

4.

 

To change the sample rate, refer to the programming section of this manual. 

5.

 

Press the VIEW button to return to the Standard View 

 

 

 

 

Factory Default Settings 

 

Default LCD mode: Standard View 

 

Temperature Graph Vertical Resolution: -20 to 40

o

 

RH Graph Vertical Resolution: 0 to 100% 

 

TEMP and RH Alarm Limits: 0 (low) and 100 (high) 

 

Sample Rate: One (1) reading stored per minute 

 

Содержание RH520A

Страница 1: ...USER MANUAL Paperless Humidity Temperature Chart Recorder Model RH520A Additional User Manual Translations available at www extech com...

Страница 2: ...n Use protective gloves when necessary Do not short circuit batteries or discard them in a fire FCC Compliance This equipment has been tested and found to comply with the limits for a Class B digital...

Страница 3: ...odule 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...

Страница 4: ...ge meter 3 Vertical axis scale limits 4 Cursor Alarm indicators 5 Push button lock out status indicator 6 Time display 7 Relative Humidity RH measurement graph 8 Date display 9 Function indicators 10...

Страница 5: ...n with other buttons to set new parameter values Stores new parameter values and returns to the Standard View TEMP Used in combination with other buttons to set the vertical graph range Used in combin...

Страница 6: ...xit TEMP RH View Dew Point temp VIEW to exit ALARM Step back through ALARM points ALARM selects next Alarm VIEW to exit SET TEMP ALARM Enters Set TEMP Alarm mode ALARM selects HIGH LOW SET to save SET...

Страница 7: ...ator has only one segment left the batteries must be replaced immediately NOTE Always set the Date Time and Sample rate immediately after batteries have been installed or after the RESET button in the...

Страница 8: ...RE o C o F The oC oF switch located inside the battery compartment is used to select the unit of measure for temperature displays SETTING THE VERTICAL RESOLUTION FOR THE TEMPERATURE GRAPHIC DISPLAY 1...

Страница 9: ...displays will switch off 5 The projected TIME and DAYS representing the moment the internal memory will be full based on the sample rate is displayed in the TIME and DATE display areas 6 Use the UP D...

Страница 10: ...H alarm limit Use the LEFT RIGHT arrow buttons to step through the decades 4 Press the ALARM button The MIN low alarm indicator will switch on 5 Use the UP DOWN arrow buttons to increment decrement th...

Страница 11: ...Time Date and numerical measurement display fields Each press of the RIGHT ARROW button will move the cursor to the right When the cursor reaches the right side limit the graph will move to the left H...

Страница 12: ...the MAX or MIN indicator is ON under the RH reading digits the display is showing the MAX or MIN relative humidity ALARM DISPLAYS 1 Press the ALARM button from the Standard View to analyze the most re...

Страница 13: ...time of day 3 The temperature and humidity readings for the selected Time will display 4 Press VIEW to return to the Standard View DEW POINT DISPLAY Press the TEMP and the RH buttons simultaneously t...

Страница 14: ...AYS that the internal memory will be full based on the current sample rate is displayed in the TIME and DATE display areas 4 To change the sample rate refer to the programming section of this manual 5...

Страница 15: ...r allows the user to track the status of the battery When all 5 segments are dark the battery is fully charged Segments switch off as the battery ages When the battery indicator has only one segment l...

Страница 16: ...imum 3 4mA 5 VDC Minimum Output Voltage 2 5 VDC Power supply Three 3 AA batteries and AC adaptor included DC 5V 500mA 3 5mm x 1 35 mm plug Battery life 4 weeks typical using alkaline batteries Operati...

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