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2 Save Energy OWL User Manual

Made by: 2 Save Energy
Type: User Manual
Category: Monitor
Pages: 16
Size: 2.18 MB

 

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Micro Wireless Electricity Monitor

 


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TABLE OF CONTENTS

TABLE OF CONTENTS .........................................................................................................................................................................................1
GENERAL SAFETY & CARE GUIDELINES .......................................................................................................................................................2
HOW THE 

 MICRO WORKS ......................................................................................................................................................................4

Overview .......................................................................................................................................................................................................4
Household Power Cables And Phase .........................................................................................................................................................4
Accuracy...........................................................................................................................................................................................4

DISPLAY FEATURES ...........................................................................................................................................................................................5

Display Key Functions ..................................................................................................................................................................................5

TRANSMITTER FEATURES .................................................................................................................................................................................6

Transmitter  Key  Functions  ..........................................................................................................................................................................6

GETTING STARTED ..............................................................................................................................................................................................7

What’s in the box ..........................................................................................................................................................................................7
Synchronising  the  Display  and Transmitter  ................................................................................................................................................7
Connecting the Sensor .................................................................................................................................................................................8

SWITCHING BETWEEN DISPLAY MODES .........................................................................................................................................................9
SETTING  THE  COST  ...........................................................................................................................................................................................9
PLACE DISPLAY INTO POWER SAVE MODE ................................................................................................................................................10
RESET ACCUMULATED VALUES ......................................................................................................................................................................10
LOW BATTERY WARNING ..................................................................................................................................................................................11
HINTS, TIPS & TROUBLESHOOTING ......................................................................................................... .......................................................12

 SPECIFICATIONS.............................................................................................................................. .......................................................13

COMPLIANCE .....................................................................................................................................................................................................14
WARRANTY .........................................................................................................................................................................................................14

Limited One Year Warranty ..........................................................................................................................................................................14
Warranty Conditions .....................................................................................................................................................................................14

RETURNS  PROCESS  ......................................................................................................................................................................................14

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GENERAL SAFETY & CARE GUIDELINES

To ensure that you use your product safely and correctly please read the Warnings & Safety Precautions, Caring for Your Product and the User 
Manual sections before using this 

 Micro Wireless Electricity Monitor.

 

WARNINGS-Please observe the following warning & safety precaution guidelines when setting up and using this product.

• 

 This product uses Type C current sensor, do not apply around or remove from HAZARDOUS LIVE conductors.

•   When fitting the sensor if in any doubt always contact a qualified electrician.

•   Do not immerse the unit in water or other liquids. If you spill liquid over it, dry it immediately with a soft, lint-free cloth.

•   Do not use this product where the use of radio frequency products can cause malfunction in the control devices of other equipment  

 

ie:- hospitals, aircraft, etc.

•   Do not use or store the product in locations that could adversely affect the product such as rain, snow, desert, and magnetic fields.

•   Do not subject the unit to excessive force, shock, dust, temperature or humidity.

•   The LCD panel behind the display lens is made of glass, and may break if the unit is dropped, impacted or subjected to shock.

•   Take special care when handling a damaged Display, as the liquid crystals can be harmful to your health.

•   Keep the product away from heat sources ie radiators, stoves, heaters, etc.

•   Do not use the product in or near water or in high moisture areas ie Bathroom

•   Do not cover the ventilation holes with any items such as newspapers, curtains etc.

•   Do not tamper with the units internal components. This invalidates the warranty.

•   Do not attempt to repair the product yourself. Contact the retailer or our customer service department if it requires servicing.

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•   If the equipment used in a manner not specified in this manual, the protection provided by the equipment may be impaired.

•   Take care when handling all battery types. Batteries can cause injuries, burns or damage to property if they come into contact with  

 

conducting materials, heat, corrosive materials or explosives. Remove the batteries before storing the product for extended periods of  

 

time.

•   Only use fresh batteries. Do not mix new and old batteries.

•   Do not dispose of old batteries as unsorted municipal waste, do so in accordance with your local waste disposal regulations.

•   When disposing of this product do so in accordance with your local waste disposal regulations.

Caring for your product

To ensure you receive the maximum benefit from using this product, please observe the following guidelines.

•   Cleaning - Disconnect the sensor and remove batteries from the sender box and Display before cleaning. Use a damp cloth. Do not  

 

use liquid or aerosol cleaning agents, benzene, thinners, abrasive or corrosive materials.

•   Do not scratch hard objects against the Display as this may cause damage.

•   Do not leave discharged batteries in either the display or sender units for any length of time as they may leak and cause corrosion.

 NOTE 

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

•   The contents of this manual may not be reproduced without the permission of the manufacturer.

•   Images shown in this manual may differ from the actual display. 

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HOW THE OWL MICRO WORKS

Overview

This measurement category II product uses current transformer sensing technology to detect and monitor a tiny magnetic field around your 
household electricity power cable. It measures the current (Amps) being used and, by reference to the system voltage, calculates the amount of 
power being used and the cost. It then transmits this information from the Transmitter wirelessly to the Display on a radio frequency of 433MHz, 
from up to 30 metres (100 feet) away (unbroken transmission).

  NOTE 

  The  intention  of  this 

  product  is  primarily  as  an  educational  device  to  aid  understanding  of  the  cost  of  operating  electrical 

appliances in the home. Hence, there is no intention for the  

 Micro Wireless Electricity Monitor to replace your accurate electricity revenue 

meter.

Household Power Cables And Phase

Most UK household electricity supplies use single-phase, but some use three phase. In single-phase supplies, the current flows to and from 
your household appliances using a neutral and power line. The neutral line has a voltage close to zero while the power line carries a fluctuating 
voltage or phase. The difference between these two lines makes the current flow through your appliances.
In three phase supplies, current flows to and from a device through a group of three lines - each one carrying a fluctuating voltage or phase. For

 

3 phase supplies our 

 Wireless Electricity Monitor is required with a sensor connected to each of the three phase lines.

Accuracy

The  

 Micro Wireless Electricity Monitor has a fixed voltage - 230V and used with the monitoring of current by the sensor clip enables a 

calculation of KWH. Generally the device is accurate within 10%. The  

 Micro Wireless Electricity Monitor is not designed to replace homes 

electricity meter - they are aimed to provide a very visual and accessible way for users to see the impact of different devices and usage patterns 
around the home. This we hope will assist in educating users to adopt more beneficial consumption habits, reduce their costs and reduce their 
carbon emissions.

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DISPLAY FEATURES

 

 

      

 

1.  Indicates which Display Mode   the Monitor is in: COST / ENERGY         
2.  Currency Units for Cost Display Mode 

 

 

   

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3.   Battery low indicator: Display (Monitor) / Remote
4.   Display current COST / ENERGY
5.   Measurement units for Display Modes
6.   Acummulative/Historical Data Display
7.   

 ] key

8.  

 ] key

9.   SET key
10. RESET Key
11. Battery compartment

Display Key Functions

KEY

MODE

ACTION

OPERATION

[SET]

Non SET mode

≥ 2s

Place Display into SET mode   Adjust COST

SET mode

Pressed

Selects adjusted COST value

 ]

Non SET mode

Pressed

Change to next display modes: COST   ENERGY   COST

≥ 2s

Enable sensor searching. Typical search time is ~30secs

SET mode

Pressed

Adjusts the COST   Increment

 ]

Non SET mode

Pressed

Change to next display modes: COST   ENERGY   COST

≥ 2s

Enable/Disable Power Save

 

SET mode

Pressed

Adjusts the COST   Decrement

 ] + [ 

 ]

Non SET mode

≥ 2s

Clear TOTAL COST and TOTAL ENERGY to 0

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TRANSMITTER FEATURES

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1.    Flashes to indicate data transmitted from Sender Box 

 

 

 

 

 

 

2.    Wall mount hole

 

 

 

 

 

 

3.    RESET key: Resets the Sender Box and clears all data held in memory

 

 

 

 

 

 

4.    CHECK key: Forces transmission every 2 seconds (for 30 Seconds)

 

 

 

 

 

 

5.    Battery Compartment

Transmitter Key Functions

KEY

KEY PRESS

OPERATION

[CHECK]

Press and Hold until Red 
Light flashes

Places transmitter into increased transmit rate to help speed up 
synchronisation with Display

[RESET]

Press <2s

Resets the transmitter and allocates new synchronising address

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GETTING STARTED

What’s in the box

•  Display Unit  

 

 

Wireless Micro Electricity Monitor

Wireless Micro Electricity Monitor

•  Transmitter unit with attached sensor
•  4x AAA Batteries
•  User Manual

Synchronising the Display and Transmitter

1.  Remove the battery cover from the back    
 

of the transmitter

2.  Insert 2xAAA batteries into the battery 
 

compartment ensuring that the batteries 

 

are the correct orientation.

3.  Press the reset button in the Transmitter 
 

battery compartment.

4.  Press and hold the Check key in the Transmitter 
 

battery compartment until the Red light starts to 

 

fl ash slowly.

Micro Wireless Electricity Monitor

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5.  Remove the battery cover from the base of the 
 

Display.       

6.  Press and Insert 2xAAA batteries into the battery 
 

compartment ensuring that the batteries are the 

 

correct orientation.

7.  Press the reset button on the back of the Display.
8.  Replace the battery cover of the Display
9.  Replace the battery cover of the Transmitter

Connecting the Sensor

1.  Locate your electricity supply cables between your 

    

 

 

 

 

 

        

 

meter & consumer unit (fusebox).

2.  Fit the sensor clip over the insulated Live cable 
 

running into the meter (furthest left cable) or 

 

running out from the meter (furthest right cable). 

 

Note the sensor clip can be fitted anywhere along 

 

the live cable from the meter to the consumer unit. 

3.  At no time should force or undue pressure be 
 

applied to any wiring or connections.

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SWITCHING BETWEEN DISPLAY MODES

Electricity use can be viewed in a Cost or Energy Display. Press 

 ] or 

 ] to switch between the Display Modes.

 

In the Energy display view current kW in upper screen and 
accumulated  Energy  (kWh)  since  last  reset  in  the  lower 
screen. 

In the Cost display view current cost of electricity per hour 
in the upper screen and accumulated cost since last reset in 
the lower screen.

SETTING THE COST 

The cost of electricity per hour can be set from 00.00 to 99.99 pence. Press and hold the  [SET] key to enable the SET Mode to adjust the cost 
of electricity per hour (Default 10.00). 

 

 

    
The “Main Units” will flash slowly (“10”). Press 

 ] and/or 

 ] to adjust the cost of electricity per hour “Main Units”.  Press [SET] to confirm 

Main Units value.  The “Sub Units” will flash slowly (“00”). Press 

 ] and/or 

 ] to adjust the cost of electricity per hour “Sub Units”.  Press 

[SET] to confirm Sub Units value. The cost of electricity per hour has been set and returns back to display mode.

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PLACE DISPLAY INTO POWER SAVE MODE

The display unit has a power save mode to extend the life of the batteries, by changing the receive rate from every 6 seconds to every 60 
seconds.

Note that the Transmitter has an auto power save as it transmits every 6 seconds only if there is a change in the electricity usage otherwise 
transmits every 60 seconds. 

Press and hold 

 ] key to place Display into or to take Display out from Power Save Mode.

 

 

 

  

RESET ACCUMULATED VALUES

Press and hold 

 ] + 

 ] keys simultaneously for greater than 2 seconds to reset the accumulated cost & energy values to 0.

 

 

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LOW BATTERY WARNING

A low battery warning icon will appear in top right hand corner of the display when in either the COST or ENERGY display modes.  This indicates 
that the batteries in the Display or Transmitter are coming close to the end of their usable life and should be replaced soon. 

Replace batteries in the Display unit 

         

•  Remove the battery cover from the base of the Display
•  Replace the 2x AAA batteries in the battery compartment with new/  
 

fresh batteries ensuring that the batteries are inserted in the correct  

 

orientation.

•  Replace the battery cover of the Display
•  Press and hold [ 

 ] key  for greater than 2 seconds to place the    

 

display into Search mode to resynchronise with the transmitter unit.

Replace batteries in the Transmitter unit 

         

•  Remove the battery cover from the back of the Transmitter
•  Replace the 2x AAA batteries in the battery compartment with new/  
 

fresh batteries ensuring that the batteries are inserted in the correct  

 

orientation.

•  Press and hold the Check key in the Transmitter battery compartment  
 

until the Red light starts to flash slowly.

•  Replace the battery cover of the Transmitter
•  Press and hold 

 ] key  for greater than 2 seconds to place the   

 

display into Search mode to resynchronise with the transmitter unit.

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HINTS, TIPS & TROUBLESHOOTING

Cost of Electricity:- Price per kWh of electricity as shown on your electricity bill.
Tiered Cost of Electricity:- Where the first number of kWh are at one value and everything else used is another.  We recommend that you 
enter an average value, calculated from your billed kWh usage (monthly/quarterly) and assuming that quarterly usage is 900kWh then Total 
cost of kWh would be 210kWh @ 20.90p & 690kWh at 10.00p equalling  £112-89. The average value would be £112-89 divided by 900kWh 
giving 12.54p.  

Multiple Timed Tariffs (ie Economy 7):- are not supported with OWL Micro.  We recommend that you enter an average value, calculated from 
your billed kWh usage (monthly/quarterly) and assuming that quarterly usage is 900kWh for day rate and 1500kWh for night rate, then Total 
cost of kWh would be 900kWh @ 10.90p & 1500kWh at 4.70p equalling  £168.60. The average value would be £168.60 divided by 2400kWh 
giving 7.03p.  
Cable Size- The sensor is suitable to connect over a cable up to 10mm in diameter including the insulation.  It is ok for the sensor to be loose 
over the cable. 

Display is blank:- Ensure that the batteries are inserted the correct way around and that the batteries are not exhausted.  If the batteries are 
exhausted replace with new batteries.  If the display does not return then contact customer.services@theowl.com.
Four dashes (----) flashing on the upper part of the Display:- The Display is in a search mode looking for a Transmitter to synchronise with.  

Four dashes (----) fixed on the upper part of the Display:- The Display and Transmitter have not synchronised.  Repeat the “Synchronising 
the Display and Transmitter” process in the manual.

0.00 Reading on the Display:- The sensor is not able to measure the electricity flow through the Twin/Three Core cables so will return a reading 
of 0.00 if the sensor is connected over the cable  of an appliance. 

0.00 Reading on the Display: Possible that the Sensor has a damaged Ferrite Core. To check to see if the sensor is damaged, you will need 
to unclip the sensor from the cable and inspect the Ferrite Core (U-Shaped Black Material) in the sensor lid is still in one piece and that the 
corresponding faces in the sensor body are in position.  If this is damaged then contact customer.services@theowl.com.

Lower reading than expected:- If the cable is a very tight fit for the sensor then it is likely the sensor is unable to be closed properly as in the 
2 halves of ferrite core within the sensor do not make a flush contact then the reading will be lower than measured.

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 SPECIFICATIONS

Dimensions

Width

Height

Depth

Weight (No Battery)

Display

85mm (3.3in)

78.5mm (3.1in)

19mm (0.7in)

70gm ( 2.5oz)

Sender Unit

56mm (2.2in)

90mm (3.5in)

24mm (0.9in)

50gm (1.8oz)

Sensor

45mm (1.8in)

51mm (2.0in)

30mm (1.2in)

40gm (1.4oz)

Accuracy

<1A

1A to 3A

3A to 71A

>71A

Current RMS

Not Specified

Better than 10%

Better Than 5%

Not Specified

Wireless Link

433MHz Radio Frequency

Wireless Range

30 metres in open area
[walls, partitions and electrical appliances may affect reception range]

Display Power Supply

2 x AAA / LR03 / UM-4 1.5V batteries

Sender Box Power Supply

2 x AAA / LR03 / UM-4 1.5V batteries

Operating Temperature

5

°

C ~ 45

°

C (41

°

F ~ 113

°

F) at 85% relative humidity

Storage Temperature

-5

°

C ~ 60

°

C (23

°

F ~ 140

°

F) at 85% relative humidity

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COMPLIANCE

Product tested to CE standard EN300 220-2, EN301 489-3, EN61010-1, EN61010-2-032 by Intertek Testing Services HK Ltd.

EU - Declaration of Conformity
Hereby, 2 Save Energy Ltd, declares that the OWL Micro Wireless Electricity Monitor (CM130) is in compliance with the essential requirements 
and other relevant provisions of Directive 1999/5/EC. A copy of the signed and dated Declaration of conformity is available on request.

WARRANTY

Limited One Year Warranty
2 Save Energy Ltd warrant this product for a period of 1 year from date of purchase for all defects in workmanship or materials. All defective 
parts will be repaired free of charge or replaced.
The following exclusions do not exclude the purchaser from those statutory rights consumers have under Consumer Laws that exist in the UK.

Warranty Conditions

1.   The product must be installed and operated in strict accordance with instructions provided. 2 Save Energy Ltd will not accept liability  
 

for any damage or injury caused by mis-use or non-compliance to the instructions.

2.   Warranty will only be given where proof of purchase date is provided. eg Original Invoice/Receipt
3.   This instrument must not be modified in any way
4.   Batteries are specifically excluded from this Warranty
5.   2 Save Energy Ltd will not be liable for indirect, consequential or incidental damages.
6.   2 Save Energy Ltd reserves the right to change specifications or designs described in this manual without notice or obligation.

RETURNS PROCESS

Contact customer.services@theowl.com  to report the issue and reason for wanting to return product. Upon agreement to return the product, 
Customer Services will allocate a returns reference number that should be used in all correspondence relating to the return.  Customer Services 
will provide a return address to return the product along with Purchaser Name & Address, Supplier Name & Address, and Date of Purchase, 
which should be sent with the proof of purchase.

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Save Money with the OWL 10-step Plan

Install OWL and reduce your electricity consumption by following our ten-step plan for saving electricity

1) Change light bulbs to energy saving versions

2) Switch off electronic goods such as TV’s, videos and games consoles at wall sockets when not in use 

3) Remove all telephone chargers from mains when not in use

4) Use tumble dryers less and if possible dry using a washing line

5) Fill washing machines and dish washers to maximum for each cycle

6) Wash clothes on cooler temperatures (ie 40°C      30°C) 

7) Only boil the amount of water necessary when making tea or coffee

8) Put all outside lights on “proximity switches”

9) When changing appliances, ensure that you purchase the best Energy Rating

10) Check your OWL for the background level before going to bed at night

Patents pending, Product tested by 
Intertek Testing Services HK Ltd
Manufactured by 2 Save Energy Ltd,
The Annexe, Field House Barn, 
Chineham Lane, Sherborne St John, 
Basingstoke, Hampshire, RG24 9LR