Elstein HLS: Ceramic Infrared Rod Heaters

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Ceramic Infrared Rod Heaters: Elstein HLS Series for Industry

Elstein Infrared Heaters

Elstein HLS high performance heaters are ceramic infrared rod heaters, which can be used for operating temperatures up to 1000 °C and surface ratings up to 87 kW/ m².

HLS Series heaters have a gold-plated ceramic parabolic reflector and transfer up to 80% of the energy supplied as infrared radiation to the material to be heated.

Elstein HLS high performance heaters are available in two designs with
750 W / 230 V and for pairwise serial connection with 375 W / 115 V.

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Elstein HLS:
Ceramic IR Rod Heater

Elstein HLS: Ceramic IR Rod Heater

High temperature ceramic radiator
250mm x 34mm, 750W

Elstein HLS/2:
Ceramic IR Rod Heater

Elstein HLS/2: Ceramic IR Rod Heater

High temperature ceramic radiator
250mm x 34mm, 375W

Features of HLS ceramic rod heaters

HLS heaters allow material temperatures of up to 700°C or high throughput speeds. The typical operating temperature of
1000 °C is reached in less than one minute.

HLS Series heaters are therefore particularly suitable for use in plant construction in which special solutions have to be drawn up for the customer's specific needs and for applications requiring high outputs.

Our standard range consists of:

  Elstein HLS: Ceramic IR Rod Heater Elstein HLS/2: Ceramic IR Rod Heater
Dimensions 250mm x 34mm
Power at 230V ac 750W 375W
Weight 120g 60g
Surface Rating 87 kW/m²
Typical operating temperature 1000°C
Maximum permissible temperature 1100°C
Wavelength range 2 - 10 μm
Standard design specifications HLS operating voltage 230 V
HLS/2 operating voltage 115 V
HLS leads 150 mm
HLS/2 leads 90 mm
Parabolic reflector gold-plated on the inside
Optional Thermocouple Kit T-HLS and T-HLS/2 for self-assembly, consisting of
1) HLS or HLS/2
2) Platinum-thermocouple type S
3) Thermocouple clamp
Custom variations Special wattages
Special voltages
Extended leads
Leads with ring terminals

Temperature Range & Radiant Power

Radiant Temperatures - Elstein FSR Elstein FSR - Radiant Power

Elstein HLS Series Ceramic rod heaters: Dimensions

IR rod heaters Elstein HLS Technical Drawing

IR rod heaters Elstein HLS/2 Technical Drawing

Elstein HLS radiators must be operated with temperature control to avoid damage due to overheating. The power can be controlled using proprietary sheathed thermocouples as well as Elstein platinum-thermocouples (both type S, Pt-PtRh) in conjunction with temperature controllers, thyristor switching units and further accessories.

IR radiation areas can be assembled using MPO mounting profiles. The national safety regulations must be complied with for the respective application, for example, the IEC or EN standard 60519-1, Safety in electrical heating installations.

Our instructions for mounting, operation and safety must be observed.

Typical industrial applications for ceramic infrared heaters

Infrared heat is an excellent non-contact heat source and is thus used in applications involving delicate surfaces, for pre-heating, softening, curing and drying.

Heating of plastic tubes
Drying paints and curing resins
3D-Heating for lamination
Heating of bottle bottoms
Glass tempering
Thermoforming of boat hulls