K24110 Programmable Muffle Furnaces

Test Method
Determines the amount of ash in distillate and residual fuels, gas turbine fuels, crude oils, lubricating oils, waxes, and other petroleum products.

Features and Benefits
• Three capacity options

• Up to 12 heating/cooling ramps or dwell periods available

• Achieves 2 to 4 complete air changes per minute

Click on the image to view a larger photo of the instrument.

K24110 Programmable Muffle Furnaces
The Koehler Programmable Muffle Furnace combines microprocessor control with state-of-the-art construction and forced draft capability. They are ideal for ashing a variety of samples, including petroleum products, food, pharmaceuticals, chemicals, and paper. They can also be used as standard muffle furnaces for firing or annealing glass or ceramic specimens, solid-state inorganic reactions, rock and mineral fusions, sample drying, and tempering.

Conforms to the specifications of: ASTM D482, D874, D1026, D3174, D4422; IP 4, IP 163; ISO 3987, ISO 6245; NF M 07-045; DIN 51352, DIN 51575

Capacity: 0.14, 0.58, and 1.26 cu. ft. (0.004, 0.016, 0.036m3)

Temperature Range: ambient to 1125°C (2057°F)

Setpoint Repeatability: ±1°C (±2°F)

Setpoint Accuracy: ±4°C (±7°F)

Temperature Uniformity:
0.14 cu. ft. model: ±5°C (±9°F)
0.58 cu. ft. model: ±8°C (±14°F)
1.26 cu. ft. model: ±10°C (±18°F)

Number of Air Exchanges per Minute:
0.14 cu. ft. model: 4
0.58 cu. ft. model: 3
1.26 cu. ft. model: 2

Electrical Requirements
208-240V 50/60Hz
120V, 50/60Hz

Dimensions lxwxh,in.(cm)
0.14 cu. ft. model: 19.4x14.5x19.5 (49x37x50)
Net Weight: 60 lbs (27kg)

0.58 cu. ft. model: 23.4x21.5x21.5 (59x55x55)
Net Weight: 90 lbs (41kg)

1.26 cu. ft. model: 23.4x21.55x28.5 (59x55x72)
Net Weight: 110 lbs (50kg)

Ordering Information
Product Description
cu. ft.
Electrical Requirements
Programmable Muffle Furnace, Forced Draft Models
Programmable Forced Draft Muffle Furnace
120V 50/60Hz
Single Phase, 14.2A
Programmable Muffle Furnace

208-240V 50/60Hz
Single Phase, 7.1A

K24120 Programmable Muffle Furnace
208-240V 50/60Hz
Single Phase, 12.5A
K24130 Programmable Muffle Furnace

208-240V 50/60Hz
Single Phase, 19.2A

Additional Accessories
Exhaust Tubing for Port Kit
Muffle Furnace Port Kit
K24103 Freestanding Shelf with Legs (For use with 0.58 and 1.26 cu. ft.furnace; 0.58 cu. ft. furnace takes one shelf, 1.26 cu. ft.furnace takes two shelves)
K24104 Flat Ceramic Shelf (replacement flat shelf for 1.26 cu. ft.