FLIR Extech Instruments RH520A Manuel utilisateur

User Manual

Paperless Humidity/Temperature Chart

Recorder

Model RH520

13:45 04-23-04

100

21.2

RH520-EU_ENG V4.2 3/10

Introduction

Congratulations on your purchase of the Extech RH520 Temperature + Humidity Chart

Recorder. The RH520 measures and displays Temperature, Humidity, and Dew Point.

The remote (detachable) probe senses the ambient conditions while the LCD display

graphs and provides numerical representation of the readings. Programmable audio-

visual alarms alert the user when ambient conditions reach alarm presets. The optional

alarm module permits automatic relay switching when alarm presets are reached.

The RH520 Internal Memory can store up to 49,152 measurements for later transfer to a

PC. Careful use of this instrument will provide years of reliable service.

CAUTIONS

•This device is not a toy and must not reach children’s hands. It contains hazardous

objects as well as small parts that the children could swallow. In case a child

swallows any of them, please contact a physician immediately

•Do not leave batteries and packing material lying around unattended; they can be

dangerous for children if they use them as toys

•In case the device is going to be unused for an extended period of time, remove the

batteries to prevent them from training

•Expired or damaged batteries can cause cauterization on contact with the skin.

Always, therefore, use suitable hand gloves in such cases

•See that the batteries are not short-circuited. Do not throw batteries into the fire.

RH520-EU_ENG V4.2 3/10

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

RH520-EU_ENG V4.2 3/10

DISPLAY DESCRIPTION

1. Temperature measurement graph

2. Internal memory usage 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. Numerical temperature reading display

11. Numerical RH reading display

12. Battery status indicator

RH520-EU_ENG V4.2 3/10

PUSH-BUTTON DESCRIPTION

VIEW Return the LCD to the Standard View

Escape from any setting function without storing value changes

Scrolls highest and lowest (MAX/MIN) readings when in Standard View

ALARM Display or Set alarm values

TIME Display a reading stored at specific Time and Date

Set and Display the recording Sampling Rate

Set the Time and Date

SET Used in combination 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 combination with other buttons to set temperature alarm values

Used in combination with the RH button to display Dew Point

RH Used in combination with other buttons to set the vertical graph range

Used in combination with other buttons to set RH alarm values

Used in combination with the TEMP button to display Dew Point

Right, left, down, and up arrow buttons for scrolling data and navigating

the display

KEYPAD QUICK REFERENCE (ALSO SHOWN ON REAR OF THE RH520 HOUSING)

Key-press Function Second / Alternate Keystrokes

VIEW Selects view mode VIEW modes: Normal, TEMPmax,

RHmax, TEMPmin, RHmin

SET Saves new settings VIEW to cancel, exit mode

ARROW KEYS Scroll through selections Movers cursor through stored points

TIME View reading at specific time/date Arrow keys to select, VIEW to exit

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 + RH + ALARM Enters Set RH Alarm mode ALARM selects HIGH/LOW, SET to save

TIME + VIEW View Sample Rate VIEW to exit

SET + TIME + VIEW Enter Set Sample Rate mode SET to save, VIEW to exit

SET + TIME Enter Set Time/Date mode SET to save, VIEW to exit

SET + TEMP + UP Enter Set TEMP Vertical Scale mode TEMP selects upper/lower, SET to save

SET + RH + UP Enter Set RH Vertical Scale mode RH selects upper/lower, SET to save

RH520-EU_ENG V4.2 3/10

Getting Started

POWER

1. The RH520 runs on battery power or AC adaptor (4.5VDC 300mA). Battery power

consists of three (3) ‘AA’ batteries. See the Battery Replacement section of this manual

when changing/installing the batteries. Note: Batteries and adaptor are supplied.

2. Plug the AC adaptor in the AC adaptor jack shown in the Description section. The

batteries will act as battery back-up in the event of an AC power failure.

3. Once the batteries are installed or the adaptor properly connected, the RH520 will

begin displaying.

4. In the unlikely event that the AC power AND the battery back-up fails, the RH520 will

require a “Programming Reset” to reset the display. Press the RESET button located

inside the battery compartment. “Reset” clears all settings. Time, Date and the logging

interval need to be entered. The measurement data and alarm history, however, will

still be retained in the non-volatile memory.

5. The 5-segment battery life indicator 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 left the batteries must

be replaced immediately.

NOTE: Always set the date and time immediately after batteries have been installed or

after the RESET button has been pressed.

MOUNTING THE RH520

The RH520 can be used in the following ways:

1. Placed on a table top where the swivel keypad is employed as the table stand

2. Wall mounted using the rear mounting holes

MEASUREMENT PROBE

The probe is attached to the meter with a 1 meter cable and can be used stored in the

RH520 probe cradle or remotely. The probe cable length can be easily extended with an

RJ45 cable and a gender changer.

PUSH-BUTTON LOCK-OUT SECURITY FEATURE

The RH520 can be secured from tampering by having its push-buttons locked.

1. Press for approx. 1 second and release the UP, DOWN, LEFT, and SET arrow buttons

simultaneously to lock-out the push-buttons.

Note: The security lock out can only be performed from the main view screen. If a

scroll key or the time button was pressed prior to setting up the lock-out, the user must

scroll back to the main screen.

2. Press for approx. 1 second and release the UP, DOWN, LEFT, and SET arrow buttons

simultaneously to restore the operation of the push-buttons

RH520-EU_ENG V4.2 3/10

Programming the RH520

SETTING THE TIME AND DATE

1. From the Standard View, press the SET and TIME buttons simultaneously

2. The SET indicator will appear

3. Use the UP and DOWN arrow buttons to set the time

4. Use the LEFT and RIGHT arrow buttons to step through the minutes, hours,

AM/PM/24-Hour, day, month, and year parameters

If AM or PM is selected, the date format will be MONTH-DAY-YEAR

If 24-hour is selected, the date format will be DAY-MONTH-YEAR

5. Press SET at any time to store the new value and revert to the Standard View

6. Press VIEW at any time to return to the Standard View without storing any changes

CLEARING THE INTERNAL MEMORY

Press the RESET button (located inside the battery compartment) to clear the display and

measurement parameters (sample rate, vertical resolution), and to reset the display.

Press the DATA RESET button (located on the back of the unit) to clear all of the stored

readings, the MAX/MIN values, and the Alarm history.

SELECTING THE UNIT OF MEASURE FOR TEMPERATURE (oC/oF)

The oC/oFswitch, 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. Press the SET, TEMP, and UP arrow buttons simultaneously

2. The upper temperature range indicator will flash and the SET icon will appear

3. Use the UP-DOWN buttons to change the upper temperature value (5° increments).

4. Press the TEMP button and the lower temperature range indicator will flash

5. Use the UP-DOWN buttons to change the lower temperature value (5° increments)

Note that the upper and lower temperature values cannot overlap and the upper value

cannot be less than zero

6. Press the TEMP button to toggle upper and lower range values

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

Standard View

8. Press VIEW at any time to return to the Standard View

SETTING THE VERTICAL RESOLUTION FOR THE RH GRAPHIC DISPLAY

1. Press the SET, RH, 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

RH520-EU_ENG V4.2 3/10

SETTING THE RECORDING SAMPLE RATE

The Sampling Rate is the rate at which the RH520 automatically records measurements

1. Press the SET, VIEW, 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 SET, TEMP, 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

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

SETTING THE RH ALARM LIMITS

1. Press the SET, RH, and ALARM buttons simultaneously from the Standard View

2. The ALARM, SET, and MAX indicators will switch on. All of the TEMP indicators will

switch off

3. Use the UP-DOWN arrow buttons to increment/decrement the HIGH RH 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 RH 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

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

RH520-EU_ENG V4.2 3/10

Display Modes

STANDARD VIEW

The Standard View is the display state of the RH520 when it is turned on. Refer to the

diagram in the display description section of this manual for a representation of the

Standard View. To reach the Standard View at any time, press the VIEW button. Note that

the display automatically reverts to the Standard View five (5) minutes after the last button

press.

CURSOR

The CURSOR location is indicated by a small diamond located between the two graphs.

See diagram. There is one diamond for each horizontal pixel in the graph (64 positions).

The date, time, and measurements for the data point selected by the cursor are shown in

the 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. Holding the button

down will speed the scrolling rate. When the cursor reaches the oldest (last) reading, it

will stop.

Each press of the LEFT ARROW button will move the cursor to the left. When the

cursor reaches the left side limit, the graph will move to the right. Holding the button

down will speed the scrolling rate. When the cursor reaches the newest (latest)

reading, it will stop.

Each press of the UP ARROW button will shift the graph to the next set of 64 values; to

the left of the ones currently displayed (the cursor will not move).

Each press of the DOWN ARROW button will shift the graph to the next set of 64

values; to the right of the one displayed (the cursor will not move).

Cursor

Position

Time and Date of readings

at current cursor position

Measurements

at current

cursor position

RH520-EU_ENG V4.2 3/10

MAX-MIN DISPLAYS

1. Press the VIEW button in the Standard View to display the highest (MAX) and lowest

(MIN) temperature and RH readings from all of the stored measurement records.

2. When viewing

the highest

readings, the

MAX indicator

will switch on.

When viewing

the lowest

readings, the

MIN icon will

switch on.

3. The cursor will

move to the

location of the MIN or MAX reading within the graph. If not within the graph currently

displayed, the cursor will move to the right-most position and the graph will shift

accordingly so that the relevant data point can be viewed.

4. Use the VIEW button to step through the highest and lowest temperature readings and

then the highest and lowest RH readings. When the MAX or MIN indicator is ON under

the temperature reading digits, the display is showing the MAX or MIN temperature.

When 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 recent alarm

activity (temperature or humidity), if any. The ALARM display icon and the relevant

upper (temperature) or lower (RH) graph pixel will flash.

2. The cursor will move to the location within the graph. If not within the graph currently

displayed, the cursor will move to the right-most position and the graph will shift

accordingly so that the relevant data point can be viewed.

3. Press the ALARM button again to view the second most recent set of Alarms (if no

alarms, the Standard View will appear)

4. Press the ALARM button again to view the third most recent set of Alarms (if no

alarms, the Standard View will appear)

5. This procedure can continue until no further alarms exist and pressing the ALARM

button will only bring up the Standard View

6. In the example diagram, the RH520 is showing a high temperature alarm (MAX and

ALARM indicators on).

MAX or MIN indicator

is ON when in the

MAX or MIN mode

MAX Temperature

Alarm Mode

Ce manuel convient aux modèles suivants

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