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Cole-Parmer™ EH-200 Series Macro-Kjeldahl Extraction Heater

EH-200 Series Macro-Kjeldahl Extraction Heater designed to determine the protein content of food on a macro scale—from 100 to 800 mL.

Supplier:  Cole-Parmer™ 0307500

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Catalog No. 11-747-300

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  • Independent heat controller lets you adjust the temperature range of each mantle individually.
  • Stainless steel construction is rugged and easy to clean.
  • Run several projects simultaneously using these multiposition macro-kjeldahl extraction heaters.
  • Heaters are available with two or six individually controlled heating mantles that accommodate either 100 to 300 mL vessels or 500 to 800 mL vessels.
  • Back-mounted brackets hold flask support rods up to 12.7 mm in diameter.
  • Each mantle has an independent heater with control dial, on/off switch, and indicator light, and operates to a maximum element temperature of 800°C.
  • A quartz heating element is housed in a thermally insulated cartridge for easy replacement, extending the life of the heater.
  • Heat controllers located in the lower part of the unit is safely separated from the upper heating elements by a stainless steel tray and well-ventilated air space.
  • Extra safety features include an earth screen and double fuses on the supply line.


100 to 300 mL (3.4 to 10.1 oz.)
10.25 in.
6.5 in.
115 V
Adjustable clamps to accepts standard arms supplied
Ceramic Fiber/Mineral Wool
32 cm
550°C to 800°C
1022°F to 1472°F
100 to 300 mL
26 cm
26 x 32 x 16.5 cm (10.25 x 12.6 x 6.5 in.)
16.5 cm
115 V 50/60 Hz, 600 W
Stainless Steel
2 kg
12.6 in.
Extraction Heater/Stirrer
3.4 to 10.1 oz.
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