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

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.

Specifications
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
Catalog
Number Product Description Capacity,
cu. ft. Electrical Requirements
Programmable Muffle Furnace, Forced Draft Models
K24100 Programmable Forced Draft Muffle Furnace 0.14 120V 50/ 60Hz
Single Phase, 14.2A
K24110 Programmable Muffle Furnace 0.14 208-240V 50/ 60Hz
Single Phase, 7.1A

K24120 Programmable Muffle Furnace 0.58 208-240V 50/ 60Hz
Single Phase, 12.5A
K24130 Programmable Muffle Furnace 1.26 208-240V 50/ 60Hz
Single Phase, 19.2A

Additional Accessories
K24101 Exhaust Tubing for Port Kit
K24102 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.
furnace