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RH520A-en-GB_v4.8   6/19

 

 

Specifications 

Display  

 

 

Graphical LCD 

Temperature Range/Accuracy 

-17 to 50

o

C (0.0 to 120.0

o

F) / ±1.0

o

C (1.8

o

F) 

-28 to -17

o

C (-20.0 to 0

o

F) / 3

o

C (±5.4

o

F) 

50 to 60

o

C (120.0 to 140

o

F) / 3

o

C (±5.4

o

F) 

Humidity Range/Accuracy   

10 to 95%/±3.0% RH 

Dew point temperature 

 

-28 to 60

o

C (-20.0 to 140.0

o

F) 

Internal memory storage   

49,152 complete reading sets 

Sampling interval 

Selectable recording rate: 0.1(6 seconds) to 199.9 minutes 

Graph scaling 

 

 

User selectable in 5

o

C/F in 10% increments 

Low battery indication 

 

5-segment battery indicator 

Alarm output 

3.5mm Mono Phone Plug,  
Maximum: 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 

Operating Temperature 

 

CONTROL MODULE and DISPLAY: 

0 to 50

o

C (32 to 120

o

F) 

SENSOR: -28 to 60

o

C (-20 to 140

o

F) 

Operating Humidity 

 

CONTROL MODULE and DISPLAY: 

90% RH max. 

 

 

 

 

SENSOR: 95% RH max. 

Dimensions 

 

 

127 x 196 x 23mm (5.0 x 7.7 x 0.9") 

Weight  

 

 

357g (12.6oz) 

 

Transfer logged data using the PC Interface 

Software installation procedure and operational instructions are located in the RH520A software 
available on the www.Extech.com/Software web page. 
 
 

Copyright © 2013-2019 FLIR Systems, Inc. 

All rights reserved including the right of reproduction in whole or in part in any form 

www.extech.com 

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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