background image

2

1 3 4

5 6 8

7

Check level, 

distance 

and Height

Drill 

Tank

Apply 

Base

Measure

Tank

Set Dip 

Switches

Pair the 

Receiver & 

Transmitter

Fit 

Transmitter 

to the Base 

Check 

the

level

Read fully befoRe installation and use

 a

 RECEIVER  

b

 SCREWS  

C

 WATCHMAN ALARM TRANSMITTER

d

 WATCHMAN ALARM BASE  

 e

 WEATHER SEAL

1

  CHECK LEVEL, DISTANCE AND HEIGHT 

Suitable for use in tanks for the storage of diesel fuel, kerosene, 
and gas oil types A2, C1, C2 and D as defined by BS 2869. Check 
with the manufacturer and/or supplier before using with any 
other fluids. 
Ensure before you start your install that the tank the 
WatchmanAlarm is to be fitted to is: 

1.

 Level 

(See Picture 1)

 

2. 

Within a 200-metre range of the line of sight of receiver position. 

3. 

A maximum height of 3 meters

2

  TANK PREPARATION

Please note- it is important to keep all items dry 
during installation.

A) PRE-DRILLED TANKS.

There may already be a 32mm pre-drilled opening in the 
tank top and possibly a tube fitted. If so, remove the cover 
by undoing the two screws holding it in place, and dispose 
of the tube in accordance with local government guidelines.

NB – Ensure the hole is a minimum DIAMETER 30mm.   

 

B) UN-DRILLED TANKS. 

Where drilling is required to fit the 
transmitter, choose a flat level point 
that is at the same level and no higher 
than any opening at the top of the 
tank (filling point etc.). (

See Picture 2)

The Transmitter can’t sit at an 
angle as this gives an incorrect 
level reading on the receiver. Take 
care not to choose an area on 
which water could gather i.e. 
a dent/depression or a position 
directly above any restricted area 
inside the tank. (

See Picture 3)

NB: For Windowed Tanks ensure 
that the WatchmanAlarm is not 
positioned above the area of the 
WINDOW. If the WatchmanAlarm 
is positioned over the WINDOWED 
area it transmits faulty readings 
to the receiver. 

(See Picture 4)

 

Drill a hole in the place that you 
have selected on the tank’s top 
surface using a 32mm hole-saw. 
(

shown in Picture 5)

3

  FITTING TRANSMITTER BASE

For tanks with pre-drilled holes
•  Remove cap from the hole 

(Picture 6)

 and insert 

  transmitter base, ensuring the weather seal is securely 
  in place 

(Picture 7 & 8)

.

     
 •  Tighten the WatchmanAlarm base 

(Part D) 

on to the tank with 

  2 stainless steel self-tapping, counter sunkscrews supplied   
 

(Part B)

. Do not over tighten!

SPECIFICATIONS

Tank Depth

 

Minimum depth: 0.5m.

measurement:

 

Maximum depth: 3m.

Display:

 

Bar graph level display, 10% tank height per bar.

 

Early warning indication (flashing tank fill) 

 

at a predetermined height above tank bottom 

 

(see section 11)

. Tank empty warning flashes    

 

red LED at a predetermined height from tank    

 

bottom. 

(see section 11)

 Meets EN60335.

Max

 

200m in normal “line of sight” conditions.

communication  

The effective range of this product can be 

distance: 

influenced by external sources that may reduce the  

 

range of the transmitter or sensitivity of the receiver.

Power supply: 

Receiver: 150-250V, 50-60HZ.

 

Transmitter: 3-voltlithium cell.

Battery life: 

3 years (estimated life).

Wireless com: 

433 mHz. FM transmission.

 

EN 300-220, FCC part 15.

Dimensions: 

Receiver: 50 x 55 x 35mm (not including aerial).

 

Transmitter: 70x93mm.

Max and min 

Operating temp. Range -10º to +60 º C.

operating temp. 

Operating humidity: 0-100%.

(transmitter):

 

Sealed airtight unit made from 

 

PP3317 UV stabilized.

Hole size 

32mm

for tank fitting:

  2” BSP external thread adaptor

Declaration

: this apparatus is designed to: Not give rise to physical injury 

or other harm due to contact. Not to produce excessive surface temperatures, 
infrared, electromagnetic, ionising radiation. To have no non-electrical dangers. 
When used in accordance with these user and installation instructions.

Warning

: If the equipment is likely to come in to contact with aggressive 

substances, then it is the responsibility of the user to take suitable precautions 
that prevent it from being adversely affected, thus ensuring that the type of 
protection is not compromised. Aggressive substances; - e.g. liquids or gases 
that may attack metals, or solvents that may affect polymeric materials.
In order to minimize the risks of electric shock,

i

  The receiver is for indoor use only, never use outdoors.

i

  The receiver is a sealed unit; do not attempt to open it.

1

3

5

5

6

7

8

© Kingspan Environmental     01-10-2008 TMG

FOR SUPPORT CONTACT:

[email protected]

Warranty: 1 year.

1

Visit our website 

www.sensor-systems.com

Supplied by Kingspan Environmental
180 Gilford Road, Portadown, Co. Armagh, Northern Ireland

Safety Information

Do not replace in a potentially explosive atmosphere 
Periodically check that the unit is intact and securely fastened to the tank.
Check with the manufacturer on the chemical compatibility prior to use.
Do not attempt to repair this equipment. It must be returned to the 
manufacturer for repair.
Warning! Electrostatic hazard! Clean only with damp cloth.
Use only VARTA CR2430 batteries.
Not suitable for pressurised containers. Use on tanks vented to atmosphere.

4

3

a

b

C

d

e

Choose a suitable 

position for transmitter

Outlet

Incorrectly 
positioned 
WatchmanAlarm

Fill 
Point

Example of a windowed tank

installation instRuCtions

2

OIl AlARM

In  the  event  of  the  oil  level  in  the  tank  dropping  at  a  rate  that  is  not 

common for a domestic oil tank the receiver will emit a siren type sound 

that indicates a theft/leak is occurring.The siren will continue to go off even 

after the level has stabilized and can only be reset by turning on and off the 

power to the receiver.
This product is to be used only on domestic oil tanks within the parameters 

outlined in the specifications. Any use of the product on applications that lie 

outside a domestic environment is done so at users own risk.

5 013573 876212

Kingspan Environmental Ltd

Sensor Systems Team

180 Gilford Road, Portadown, Co. Armagh,

Northern Ireland BT63 5LF.

Sales Hotline:

 

+44 (0) 28 3836 4411

Watchman Helpline:

 +44 (0) 28 3836 4414

Fax:

 +44 (0) 28 3836 4412  

Email:

 [email protected]

SEnSor

 Is PART oF 

KingSpan EnVironmEntal

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