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RH520A-en-GB_v4.8   6/19

 

 

SETTING THE VERTICAL RESOLUTION FOR THE RH GRAPHIC DISPLAY 

1.

 

Press the SETRH, and UP arrow buttons simultaneously 

2.

 

The upper RH range indicator will flash, and the SET icon will appear 

3.

 

Use the UP-DOWN buttons to change the upper RH value in 10% increments 

4.

 

Press the RH button and the lower RH range indicator will flash 

5.

 

Use the UP-DOWN buttons to change the lower RH value in 10% increments 

6.

 

Note that the upper and lower RH values cannot overlap 

7.

 

Press the RH button to toggle upper and lower range values 

8.

 

Press the SET button at any time to store a value and return the instrument to the Standard 

View 

9.

 

Press VIEW at any time to return to the Standard View 

SETTING THE RECORDING SAMPLE RATE 

The Sampling Rate is the rate at which the RH520A automatically records measurements 

1.

 

Press the SETVIEW, and TIME arrow buttons simultaneously from the Standard View 

2.

 

The current Sample Rate (in minutes) will appear in the numerical temperature display area 

3.

 

The whole minutes area of the numeric display will flash 

4.

 

The MIN and the SET icons will switch on. All other TEMP and RH indicators and numeric 
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-DOWN arrow buttons to increment/decrement the rate. Use the LEFT-RIGHT 
arrow buttons to step through the units of time 

7.

 

Sample rates can be set from 0.1 minutes (6 seconds) up to 199.9 minutes 

8.

 

Press the SET button at any time to save changes and return to the Standard View 

9.

 

Press VIEW at any time to return to the Standard View without saving the changes 

SETTING THE TEMPERATURE ALARM LIMITS 

1.

 

Press the SETTEMP, and ALARM buttons simultaneously from the Standard View 

2.

 

The ALARM, SET, and MAX indicators will switch on. All of the RH indicators will switch off 

3.

 

Use the UP-DOWN arrow buttons to increment/decrement the HIGH temperature 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 the LOW temperature alarm 
limit. Use the LEFT-RIGHT arrow buttons to step through the decades 

6.

 

The HIGH and LOW alarm limits cannot overlap 

7.

 

Use the ALARM button to toggle between the HIGH and the LOW alarm limits 

8.

 

Press the SET button at any time to save changes and return to the Standard View 

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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