The Master XL 9SR-91 is an oil-powered (diesel or kerosene) infrared heater. Primarily intended as a powerful spot heater for warming in open spaces and even outside, the XL 9SR-91 is also a great solution for drying and defrosting.
The XL9SR-91 utilises short-wave infrared to generate heat. The same as the sun (which is pretty good at generating heat). Short-wave heat energy is particularly effective outside and in open but enclosed spaces as it cannot be disrupted by airflow. The heat energy can also travel horizontally. Air heaters do not boast these advantages as hot air rises and can be blown away.
Infrared heat is penetrative by nature, as the heat energy is transferred into solid materials rather than the atmosphere. For example, if you were trying to dry a wall, infrared heat waves enter it. Hot air only touches the surface and is not conducted very well, meaning the surface can be dried first, locking humidity inside the object. With the heat from an infrared source getting deeper into an object it is dried quicker and from the inside.
Infrared heat makes defrosting effective too as the object you want to keep from frosting over is made to store its own heat more efficiently, keeping the frost off it for much longer.
The XL 9SR comes with several handy features to help you control the temperature of the space you are working in. The first of these is a high and low option for the burner. The second is an analogue thermostat.
The high setting of the XL 9SR generates a whopping 43kW of heating power, the low… a still pretty darn toasty 29kW. To put this into context, the XL 9SR radiates heat in excess of that which a typical home boiler generates to power 10 - 20+ radiators in a medium to large home. Concentrated in one spot, however, the XL 9SR is intended to rapidly and thoroughly heat objects and people within a confined location.
In extension to its dual power options, the Master XL 9SR also comes with an analogue thermostat. Using a simple dial to set the temperature that you want, the thermostat will start and stop the heater as the temperature slightly exceeds and drops below this setting.
The thermostat and dual heat controls help the XL 9SR last longer between fuel refills. The low heat setting uses 2.7 litres an hour, while the higher setting uses 4.03 L/H. If left to run continuously, therefore, the XL 9SR can last for 21 hours on the low setting and 14 hours on its higher setting.
With the addition of the thermostat turning the heater on and off to keep a steady temperature, will last even longer, meaning you will not be running backwards and forwards with fuel every 5 minutes!
Intended as a spot heater, the XL 9SR really can heat the spot you want it to. The XL 9SR is trolley mounted, meaning it can easily be moved to locations you need it. Moreover, the burner and radiator are mounted on a frame that allows them to be angled upward or downward. As mentioned before, the infrared heat type that the XL 9SR means the heat waves travel in the direction they are projected. Therefore, pointing it right where you want it to, will mean the heat goes to where you want it.
The Master XL 9SR is a short-wave infrared oil-powered heater. Radiating heat, rather than warming the air, these heaters generate a penetrating, highly efficient form of heat. They are perfect for spot heating unenclosed spaces, defrosting machinery or drying surfaces and materials.
If you would like to find out more/enquire about the XL 9SR, or our wider range of heaters, please get in touch via phone (01652) 659759, email (), the messenger icon (right below) or via our contact form.
Specifications |
Units |
XL 9SR |
XL 91 |
Heating Power |
kW |
29 / 43 |
|
Btu/h |
99'300 / 146'900 |
||
kcal/h |
25'000 / 37'000 |
||
Fuel consumption |
L/h |
2.7 / 4.03 |
|
Fuel autonomy |
h |
21 / 14 |
|
Thermostat control |
Analogue only |
Analogue or digital |
|
Electric power |
kW |
0.16 |
0.19 |
Power supply |
V/Hz |
220-240/1ph/50 |
|
Rated current |
A |
0.7 |
|
Tank capacity |
L |
60 |
|
Product size (LxWxH) |
cm |
107x70x98 |
71x97x99 |
Box size (LxWxH) |
cm |
120x75x113 |
103x75x119 |
Net/gross weight |
kg |
69/85 |
|
Pallet |
pcs |
1 |
|
Available at 110V |
Yes |
No |
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Pingley Farm Cottage, Bigby High Road, Brigg, Lincolnshire, DN20 9HE
Telephone: 01652 659759