PROFESSIONAL RAIN GAUGE
RADIO-CONTROLLED CLOCK
CONTENTS
INTRODUCTION...................................................................................................................................................................1
PRODUCT FEATURES........................................................................................................................................................1
OVERVIEW...........................................................................................................................................................................2
LCD DISPLAY.......................................................................................................................................................................3
INSTALLATION OF WIRELESS SENSOR..........................................................................................................................4
DISPLAY MAIN UNIT............................................................................................................................................................5
WIRELESS SIGNAL RECEPTION.......................................................................................................................................6
RAINFALL.............................................................................................................................................................................7
HISTORY DATA OF ALL RECORD IN THE PAST 24 HOURS..........................................................................................7
MAXIMUM / MINIMUM MEMORY FUNCTION....................................................................................................................8
HI / LO ALERT......................................................................................................................................................................8
DATACLEARING..................................................................................................................................................................9
MAINTENANCE OF RAIN COLLECTOR.............................................................................................................................9
TROUBLESHOOTING..........................................................................................................................................................9
PRECAUTIONS....................................................................................................................................................................9
SPECIFICATIONS..............................................................................................................................................................10
PRE LIMINA RY VERSION 2014-12-31
C8437
C3101
USER MANUAL
DISPLAY MAIN UNIT
GAUGE RAIN SENSOR
OVERVIEW
Display Main Unit
1. LCD display with backlight
2. Alert LED indicator
3. [ HISTORY ] button
4. [ SINCE ] button
5. [ RAIN ] button
6. [ MEM ] button
7. [ CLOCK ] button
8. [ ALARM ] button
9. [ ALERT ] button
10. Wall mounting hole
11. [ DOWN ] button
12. [ UP ] button
13. Battery compartment
14. [ °C/°F ] slide switch
15. [ MM/IN ] slide switch
16. [ RCC ] button
17. [ SCAN ] button
18. [ RESET ] button
19. [ SNOOZE/LIGHT ] button
20.Table stand
Wireless Rain Gauge Sensor
1. Radiation shield
(Temperature sensor casing built inside)
2. Red LED indicator
3. Mounting base
4. Mounting claim
5. Latch
6. Rain collector
7. Drain holes
8. Tipping bucket
9. Rain sensor
10. [ RESET ] button
11. Battery door
INTRODUCTION
Thank you for selecting the Professional Rain Gauge Sensor.
The device contains a wireless self-emptying rain collector for measuring rainfall and temperature, and a Display Main
Unit. The wireless rain collector sensor is fully assembled and calibrated for your easy installation. It transmits data by a
low power radio frequency to the Display Main Unit up to 150m away (line of sight).
The Display Main Unit displays the rainfall and temperature data received from the sensor outside. It remembers the data
over a time range for you to monitor and analyze the weather status for past 24 hours. It has advance features such as
the HI/LO Alert alarm which will alert the user when the set high or low weather criteria are met. Day and data stamps are
also provided to the corresponding maximum and minimum records for each weather details.
The system also analyze the records for your convenient viewing, such as the display of rainfall in terms of rain rate,
hourly, daily, weekly, monthly and yearly records.
With Radio-controlled / Atomic clock feature built-in, the system is truly a remarkable personal Professional Rain Gauge
for your own backyard.
NOTE:
This instruction manual contains useful information on the proper use of this product. Please read this manual through to fully understand
and enjoy its features.
PRODUCT FEATURES
● Large backlit LCD display unit
● Hourly rain rate display
● Total Hourly, Daily, Weekly, Monthly and Yearly rainfall display
● Data logger stores and gathered data to display rainfall according to your selected time-scale (current status, past 24
hours, past 31 days, past 52 weeks, past 12 months or past 5 years)
● Graphical histogram display to show variation of rainfall pattern in your selected time-scale (current status, past 12
hours, past 12 days, past 12 weeks, or past 12 months at a time)
● SINCE function to display TOTAL rainfall from a customized commencing date
● Measures outdoor temperature at the same time with indoor temperature and humidity
● Real time clock display with Atomic Radio Controlled function
● 150 m (500 ft) sensor transmission range
● Data retention storage even during batteries changes
● High / Low Alert function
● Maximum / minimum memory function with time stamp
● Alarm function with ice-alert function
Mounted horizontally
and 1.5m off the ground
LCD DISPLAY
Normal Time and Calendar
1. SINCE icon
2. HISTORY icon
3. Time
4. DST icon
5. Ice pre-alert on
6. Day of the week
7. Alarm mode
8. Alarm icon
9. Date
10. Month
Rainfall Window
1. Rainfall indicator
2. Past time
3. Histogram
4. Time range record indicator
5. Rainfall reading
6. MAX indicator
7. HI Alert and Alarm
8. Rainfall unit (in/h / mm/h)
Outdoor Weather Window
1. OUT indicator
2. MAX/MIN indicator
3. Outdoor temperature
4. Low battery indicator for sensor
5. Outdoor signal strength indicator
6. HI / LO Alert and Alarm
Indoor Weather Window
1. IN indicator
2. Indoor humidity
3. MAX/MIN indicator
4. Indoor temperature
5. Low battery indicator for main unit
6. HI / LO Alert and Alarm for humidity
7. HI / LO Alert and Alarm for temperature
INSTALLATION OF WIRELESS RAIN GUAGE SENSOR
Your wireless rain gauge sensor measures rainfall and temperature for you. It’s fully assembled and calibrated for your
easy installation.
Battery and Installation
Unscrew the battery door at bottom of the unit and insert the
batteries according to the “+/-” polarity indicated. Screw the
battery door compartment on tightly. Press [ RESET ] button
after each battery change.
NOTE:
1. Ensure the water tight O-ring is properly aligned in place to ensure
water resistant.
2. The red LED will begin flashing every 12 seconds.
Mounting Guidelines
1. Install the Rain Collector in an open location with no obstructions above and around the sensor for accurate rain and
temperature measurement.
2. Ensure the rain gauge is installed as level as possible to achieve accurate rain measurement.
RC on RC off
Alarm off Alarm on Alarm with ice-alert
European version
Within 1500 km (932 miles) of Frankfurt, Germany
Within 1500 km (932 miles) of Anthorn, England
Within 3200 km (2000 miles) of Fort, Collins, Colorado
DCF77(German)
MSF(UK)
WWVB(US)North American
Version
Time signal
Signal broadcast
DISPLAY MAIN UNIT
Stand and Batteries Installation
The unit is designed for desktop or wall mount for easy viewing.
1. Remove the battery door of the main unit.
2. Insert 2 new AA size batteries according to the “+/-” polarity mark on the battery compartment.
3. Replace the battery door.
4. Press the
[ SCAN ] button.
5. Once the batteries are inserted, all the segments of the LCD will be shown briefly.
6. The clock will start scanning for the wireless signal reception 868 / 915 / 917 MHz in 8 seconds.
7. After 1minute signal test for wireless reception, the clock turns to radio-controlled time signal searching automatically.
NOTE:
1. If no display appears on the LCD after inserting the batteries, press the [ RESET ] button by using a pointed object.
2. In some cases, you may not receive the RC signal immediately due to the atmospheric disturbance.
Pairing of Wireless Sensor with Display Main Unit
After insertion of batteries, the Display Main Unit will automatically search and connect the wireless sensor (antenna
blinking).
Once the connection is successful, antenna mark and readings for outdoor temperature and rainfall will appear on the display.
Changing Batteries and Manual Pairing of Sensor
Whenever you changed the batteries of the wireless sensor, pairing must be done manually.
1. Change the batteries to new ones.
2. Press the [ RESET ] button on the sensor.
3. Press the [ SCAN ] button on the Display Main Unit.
NOTE:
1. Pressing [ RESET ] button at bottom of the wireless sensor will generate a new code for pairing purpose.
2. Always dispose old batteries in an environment safe manner.
Radio-controlled / Atomic Clock Function
This main unit is programmed to synchronize with Radio-controlled time signal.
When the unit receives RC signal, a sync-time symbol “ ” will appear on the LCD, and synchronize daily.
NOTE:
1. The strength of radio-controlled time signal from the transmitter tower may be affected by geographical location or building around.
2. Always place the unit away from interfering sources such as TV set, computer, etc.
3. Avoid placing the unit next to metal plates.
4. Closed areas such as airport, basement, tower block or factory are not recommended.
Time Setting
The unit automatically set itself according to the Radio Controlled Clock signal it received. To set the clock/calendar
manually, first disable the reception by holding the [ RCC ] button for 8 seconds.
To Manually Set the Clock / Time Zone Selection
1. Press and hold [ CLOCK ] button for 2 seconds until “12 or 24 Hr” flashes.
2. Use [ UP ] / [ DOWN ] button to adjust, and press [ CLOCK ] button to proceed to the next setting.
3. Repeat 2 above for setting of TIME ZONE, HOUR, MINUTE, YEAR, MONTH&DATE or DATE&MONTH, MONTH,
DATE, HOUR OFFSET, LANGUAGE and DST.
NOTE:
1. The unit will automatically exit setting if no key was pressed in 60 seconds.
2. Time zone setting is only for North American version where the unit receives WWVB signal. User can select PST, MST, CST, EST, AST
or NST.
3. The hour offset is for DCF(German), MSF(UK) version and Australian version. Its range is between -23 and +23 hours.
4. The language options are English (EN), French (FR), German (DE), Spanish (ES), Italian (IT), Dutch (NL) and Russian (RU).
5. DST (Daylight Saving Time) feature is set to Auto (factory set). The clock has been programmed to automatically switch when the
daylight saving time is in effect. User can set the DST to OFF to disable the feature.
Disable / Enable RCC Signal Reception
1. Press and hold [ RCC ] button 8 seconds to disable the reception.
2. Press and hold [ RCC ] button 8 seconds to enable automatic RCC reception.
To Turn on/off Alarm Clock (With Ice-alert Function)
1. Press the [ ALARM ] button any tine to show the alarm time.
2. Press [ ALARM ] button to activate the alarm.
3. Press again to activate alarm with ice-alert function.
4. To disable the alarm, press until the alarm icon disappears.
To Set the Alarm Time
1. Press and hold [ ALARM ] button for 2 seconds to enter alarm setting mode. HOUR will begin flashing.
2. Use [ UP ]/[ DOWN ] button to adjust HOUR, and press [ ALARM ] button to proceed to set MINUTE.
3. Repeat 2 above to set MINUTE, then press [ ALARM ] button to exit.
NOTE:
1. Once set the alarm time , alarm function activate automatically.
2. Pressing the [ ALARM ] button twice when alarm time is being displayed will activate the temperature-adjusted pre-alarm. The alarm
will sound 30 minutes earlier if it detects outside temperature is below -3°C.
RAINFALL
The device displays how many mm / inches of rainfall are accumulated in one hour time period, based on current
rainfall rate that is updated every minute.
To Select the Rainfall Display Mode
Press [ RAIN ] button to toggle between:
● RATE Current rainfall rate in past an hour (e.g., 07:40~08:40)
● HOUR The HOUR display indicates the total rainfall in past an hour
● DAY The DAY display indicates the total rainfall within a day
● WEEK The WEEK display indicates the total rainfall within a week
Weak signalStrong signalSignal searching Signal lostNo sensor
Indoor temperature HI and LO alert
Indoor humidity HI and LO alert
Outdoor temperature
Hour Rainfall
Day Rainfall
HI alert
HI alert
HI and LO alert
Area Type of Alert available
Hour rainfall Day rainfall Week rainfall Month rainfall Year rainfall
Hour rainfallRate rainfall Day rainfall Week rainfall Month rainfall Year rainfall
Outdoor Temperature Indoor Temperature Indoor Humidity Hour/Day/Week/Month/Year rainfall
Max. Min. Max. Min. Max. Max.Min.
Area
Type of memory
● MONTH The MONTH display indicates the total rainfall within a month
● YEAR The YEAR display indicates the total rainfall within a year
NOTE:
User can select the measurement unit for rainfall by sliding the [ MM/IN ] switch.
Graphical Histogram Display
Histogram presents an easy view of rainfall change pattern over a period of time in a graphical manner. The time scale of the
graph automatically changes according to the rainfall display modes:
Rate >> Hour >> Day >> Week >> Month >> Year
1. By default, the graph is presented in Hourly scale when rainfall is in Rain Rate.
2. There is no graphical display when Yearly Rainfall is selected.
Total Rainfall SINCE function
Press [ SINCE ] button to display the total rainfall record. The connecting data and year will be shown.
To clear the existing commentary date and reset it to re-start again, press and hold [ SINCE ]. The total rainfall will now
be equal to TODAY rainfall and the unit will start again to collect the rainfall data.
To Select the Measurement Unit for the Rainfall
1. Slide the [ MM/IN ] switch to <MM> position to select millimeter unit.
2. Slide the [ MM/IN ] switch to <IN> position to select inch unit.
HISTORY DATA OF ALL RECORD
Data logger stores and gathered data to display rainfall according to your selected time-scale (current status, past 24
hours, past 31 days, past 52 weeks, past 12 months or past 5 years)
To check history data:
1. Press [ RAIN ] button to select rainfall display modes.
2. Press the [ HISTORY ] button to read the data.
The LCD will display the past indoor temperature & humidity, outdoor temperature, value of rainfall and their time and date.
NOTE:
The main unit can check the records according to the time and calendar of the clock, i.e. it can check the records of the past, but can not
check the records in the future.
E.g. The main unit recorded data from Jan. 1st, 2012 to Feb. 31st, 2014. Then time is set to be Jan. 1st, 2013. It can only check the data
of 2012.
TEMPERATURE DISPLAY
User may select temperature unit by sliding the [ °C / °F ] switch.
MAXIMUM / MINIMUM MEMORY FUNCTION
To Check the Memory
Press [ MEM ] button repeatedly to check the maximum/minimum records.
NOTE:
When maximum or minimum reading is displayed, the corresponding timestamp will be shown.
To Clear Individual Records
While displaying the maximum/minimum records, press and hold [ MEM ] button for 2 seconds to clear the individual record.
HI / LO ALERT
HI/LO are used to alert you of certain weather conditions. Once activated, the alarm will turn on and red LED starts
flashing when a certain criterion is met. The following are areas and type of alert provided.
NOTE:
* Daily rainfall since midnight.
To Set the HI / LO Alert
1. Press the [ ALERT ] button until the desired area is selected.
2. Use [ UP ] / [ DOWN ] buttons to adjust the setting.
3. Press [ ALERT ] button to confirm and continue to next setting.
To Enable / Disable the HI / LO Alert
1. Press [ ALERT ] button until the desired area is selected.
2. Press [ ALARM ] button to turn the alert on or off.
3. Press [ ALERT ] button to continue to next setting.
NOTE:
1. The unit will automatically exit setting mode in 5 seconds if no key is pressed.
2. When ALERT alarm is on, the alert LED indicator, the area and type of alarm that triggered the alarm will be flashing and the alarm will
sound for 2 minutes.
3. To silence the Alert alarm beeping, press the [ SNOOZE/LIGHT ] button, or let the beeping alarm automatically turn off after 2 minutes.
WIRELESS SIGNAL RECEPTION
The wireless sensor is capable of transmitting data wirelessly over an approximate operating of 150m range (line of sight).
Occasionally, due to intermittent physical obstruction or other environment interference, the signal may be weaken or lost.
In the case that the sensor signal is lost completely, you will need to relocate the display main unit or the wireless sensor.
Strange or no measurement of Thermo Sensor
Strange or no measurement of Rain Sensor
Problem / Symptom Solution
1. Check the radiation shield.
2. Check the sensor casing.
1. Check the drain hole in the rain collector.
2. Check the balance of the rain gauge.
1. Change new batteries to the rain gauge.
2. Relocate the main unit and sensor closer to each other.
3. Make sure the main unit is placed away from other
electronic
appliances
that may interfere with the wireless communication
(TVs, computers,
microwaves).
4. If problem continues, reset both main unit and the sensor.
(Signal lost for 15 minutes)
and
(Signal lost for 1 hour)
and
displays on the outdoor weather window
Dimensions 95 x 155 x 23 mm (W x H x D)
Weight 212g without batteries
Battery 2 x AA size 1.5V batteries (Alkaline recommended)
Support channels Wireless sensor (Rain gauge, thermo sensor)
MAIN UNIT
Displayed range
20% to 90% RH (< 20%: LO; > 90%: HI) (Temperature between 0°C to 60°C)
Operating range 20% to 90%RH
Resolution 1%
Accuracy +/-5% typical @ 25°C (77°F)
Display modes
Current, Min and Max, Historical data for past 24 hours
Memory modes Max & Min from last memory reset (with time stamp)
INDOOR HUMIDITY
Alarm Hi / Lo Humidity Alert
Synchronization Auto or disabled
Clock display
HH:MM:SS / Weekday
Hour format
12hr AM/PM or 24hr
Calendar
DD/MM/YR or MM/DD/YR
Weekday
Time signal
Time zone
Hour offset
-23 to +23 hours (DCF / MSF / Australian versions)
DST
7 languages: EN, FR, DE, ES, IT, NL, RU
DCF, MSF, WWVB (Factory set)
PST, MST, CST, EST, AST, NST (WWVB version only)
AUTO / OFF
Temp. unit °C or °F
Displayed range -40°C to 70°C (-40°F to 158°F) (< -40°C: LO; > 70°C: HI)
-10°C to 50°C (14°F to 122°F)
Operating range
Accuracy +/- 1°C or 2°F typical @ 25°C (77°F)
Resolution 0.1°C or 0.1°F
Display modes Current, Min and Max, Historical data for past 24 hours
Memory modes Max & Min from last memory reset (with time stamp)
Alarm Hi / Lo Temperature Alert
INDOOR TEMPERATURE
RADIO-CONTROLLED / ATOMIC CLOCK
DATA CLEARING
During installation of the wireless sensor, the sensors were likely to be triggered, resulting in erroneous rainfall and wind
measurements. After the installation, user may clear out all the erroneous data from the Display Main Unit, without
needing to reset the clock and re-establish pairing.
1. Press and hold [HISTORY] button for 3 seconds.
2. Press [ UP ] or [ DOWN ] button to choose “YES” or “NO”.
3. Press [HISTORY] button to confirm . This will clear out any data recorded before.
MAINTENANCE OF RAIN GAUGE
1. Rotate the rain collector in anticlockwise direction.
2. Gently remove the rain collector.
3. Clean and remove any debris or insects.
TROUBLESHOOTING
PRECAUTIONS
• Read and keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not subject the unit to excessive force, shock, dust, temperature or humidity.
• Do not cover the ventilation holes with any items such as newspapers, cur tains etc.
• Do not immerse the unit in water. If you spill liquid over it, dry it immediately with a soft, lint-free cloth.
• Do not clean the unit with abrasive or corrosive materials.
• Do not tamper with the unit’s internal components. This invalidates the warranty.
• Only use fresh batteries. Do not mix new and old batteries.
• Only use attachments / accessories specified by the manufacturer.
• Images shown in this manual may differ from the actual display.
• When disposing of this product, ensure it is collected separately for special treatment.
• Placement of this product on certain types of wood may result in damage to its finishing for which manufacture will not
be responsible. Consult the furniture manufacturer’s care instructions for information.
• The contents of this manual may not be reproduced without the permission of the manufacturer.
• When replacement parts are required, be sure the service technician uses replacement parts specified by the
manufacturer that have the same characteristics as the original parts. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
• Do not dispose old batteries as unsorted municipal waste. Collection of such waste separately for special treatment is
necessary.
• Please note that some units are equipped with a battery safety strip. Remove the strip from the battery compartment
before first use.
• The technical specifications for this product and the contents of the user manual are subject to change without notice.
SPECIFICATIONS
Unit for rainfall in and mm
Range for rainfall 0~29999 mm (max)
Resolution 0.01” (0.254 mm)
Accuracy < 0.01” (0.2 mm): +/- 7% or 1 tip; 5” (127 mm): +/- 7%
Memory modes Maximum rain
Display modes
Rainfall in hourly rate, hourly,
daily, weekly, monthly and yearly
trela llafniar hgiH yliaD ro ylruoHmralA
Display modes
Current, Min and Max
, Historical data for past 24 hours
Dimensions
Weight
Battery
Frequency
Transmission
4 x AA size 1.5V battery
868 MHz (European) / 915 MHz (North American) / 917 MHz (Australian)
Every 12 seconds
Temp. unit
Displayed range
Operating range
Resolution
Accuracy
Memory modes
Alarm
109 x 200 x 109 mm (W x H x D)
372g without batteries
°C or °F
-40°C to 80°C (-40°F to 176°F) (< -40°C: LO; > 80°C: HI)
-40°C to 60°C (-40°F to 140°F)
0.1°C or 0.1°F
+/- 0.5°C or 1°F typical @ 25°C (77°F)
Max & Min from last memory reset (with time stamp)
Hi / Lo Temperature Alert
Hi display Hour rainfall > 999.9 mm; Day rainfall > 9999 mm; Week/Month/Total rainfall > 29999 mm
RAIN GAUGE
OUTDOOR TEMPERATURE
WIRELESS SENSOR
© 2013 Chung’s Electronic Co., Ltd. All rights reserved.
Rev-1 2014-12-31 1:50 P.M.
responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
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