Chung’s Electronic C3101 User Manual Download Page 6

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, curtains 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 

fi

nishing 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 

fi

rst use.

•   The technical speci

fi

cations for this product and the contents of the user manual are subject to change without notice.

SPECIFICATIONS

Summary of Contents for C3101

Page 1: ...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 COLLEC...

Page 2: ...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...

Page 3: ...nit 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...

Page 4: ...t 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...

Page 5: ...perature 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...

Page 6: ...ments 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 seco...

Page 7: ...1 2014 12 31 1 50 P M Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This eq...

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