High temperature bath / circulators
Grant Instruments

Optima

High temperature bath / circulators

HED high temperature bath / circulators are designed to provide stable, uniform temperature control for high temperature applications

Stability ± 0.5C, uniformity ± 0.25C


good long-term temperature stability and uniformity are provided by a combination of the electronic control system and the proven Grant circulation system

Construction

each bath consists of a heavily insulated stainless steel tank housed in a stove-enamelled outer case, with a control unit mounted over one end of the bath from which heater, stirrer and temperature sensors project down into the bath; a circulation tray enhances the performance, and an insulated flat lid is supplied for maximum user safety

Accessory pump for external circulation

HQ pumps are designed for circulating temperature controlled liquid around external apparatus.

for circulation through closed systems only

Design features

HED bath/circulators are specially designed for use with high temperature liquids; to avoid local overheating and rapid deterioration of the liquid, the stirrer is very powerful and the heater has a very large surface area, to prevent localised overheating of the oil.

the control unit is raised to allow for a cooling airflow above the tank

High temperature bath / circulators
High temperature bath circulators

exposed or immersed parts are made from stainless steel, nickel-plated copper or appropriate plastics, to minimise the risks of corrosion

HED bath/circulators are robust and reliable, for long-term durability

Safety

adjustable overtemperature cut-out

float switch for low liquid level protection

Accessory HQ pump for external circulation

separate drive motor, so there is no need to switch the pump on until the required operating temperature has been reached and the viscosity of the liquid is low enough for pumping

lid-mounted for convenient fitting and use

flow and return fittings are suitable for temporary or permanent connection (using 9mm internal diameter pipe)


Bath
Pump
 
HE10D
HQ10
(takes the place
of a normal lid)
HE30D
HQ30
(takes the place of half of
the normal two-part lid)

Specification - HED high temperature bath cirulators

 
 
 
HE10D
HE30D
Temperature Range
 
°C
50 to 260
Stability (DIN 58966)
at 150°C
°C
± 0.25
Uniformity
 at 150°C
°C
± 0.2
Display
 
 
LED
Display Resolution
 
°C
1
Heater Power
230V
kW
1.1
2.2
Tank capacity
 
L
10
30
Tank dimensions
I/w/d
mm
305/210/185
455/305/240
Top opening
I/w
mm
190/210
350/305
Liquid depth
min/max
mm
100/140
145/190
Height to tank rim
 
 mm
265
320
Overall dimensions
 I/w/d
mm
415/320/400
565/415/455
 Safety
 temp
 
adjustable cut-out
 
level
 
float switch
Accessory pump performance
Max. head
m
1.6
 
Max. flow
L/min
6
 
pipe bore
mm
7.5

PDF
High temperature bath circulator Brochure

 

| Grant Instruments |

| Unstirred Water Baths | Dry Block Heaters |

| Low temperature refrigerated circulators and baths |

| Ultrasonic baths | Shaking water bath |

| Flow heater |

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