TruMac N Nitrogen Determinator, LECO Corporation (CAT#: STEM-AIAEPO-0002-ZJF)

The TruMac N Nitrogen Determinator is manufactured by LECO Corporation.
The TruMac series determines nitrogen/protein, carbon/nitrogen or carbon/nitrogen/sulfur in a multitude of organic matrices from foods and feeds to soils and fertilizers. The system utilizes a combustion technique that provides a result for all of the elements within 5 minutes.
The pre-owned products will be thoroughly cleaned and fully tested to perform at manufacturer specifications before shipping.

Condition: Certified Pre-Owned
Instrument Range:
Nitrogen 0.02 mg to 300 mg Nitrogen
Carbon 0.02 mg to 200 mg Carbon
Sulfur 0.02 mg to 50 mg Sulfur
Precision Range:
Nitrogen 0.01 mg or 0.3% RSD (whichever is greater)
Carbon 0.01 mg or 0.4% RSD (whichever is greater)
Sulfur 0.01 mg or 0.4% RSD (whichever is greater)
Sample Mass:
Nitrogen up to 3.0 g, 1.0 g nominal
Carbon/Nitrogen up to 1.0 g, 0.5 g nominal
Carbon/Nitrogen/Sulfur up to 0.30 g, 0.2 g nominal
Analysis Time: 5.0 minutes nominal
Cycle Time: 5.5 minutes nominal
Detection Method:
Nitrogen Thermal Conductivity (TC Cell) Detector
Carbon/Sulfur Non-Dispersive Infrared Absorption
Gases Required:
Carrier Gas Helium (99.99% pure) @ 35 psi (2.4 bar) ±10%
Combustion Oxygen (99.99% pure) @ 40 psi (2.8 bar) ±10%
Pneumatic Gas Compressed Air (oil and water free) @ 40 psi (2.8 bar) ±10%
Furnace: Resistance, 1450 C max (1100 C nominal) o o
Operational Control: Windows -based software on an external PC ®
Environmental Conditions:
Operating Temperature 15 C to 35 C (59 F to 95 F) o oo o
Humidity 20% to 80%, non-condensing
Autoloader: 50-position
Dimensions:
Instrument with Autoloader 37.5 in. H x 63.25 in. W x 27 in. D (92 cm x 161 cm x 69 cm)
Weight (approx.):
Instrument 290 lb. (132 kg)
Autoloader 145 lb. (66 kg)
Electrical Power Requirements:
Instrument 230 V~ (+10%/-15%; at max load), 50/60 Hz, single phase, 30A; 13,000 BTU/hr (max) †
Autoloader 100-240V, 50/60 Hz, single phase, 2.4/1.2 A; 940 BTU/hr†

Easily handle characteristically heterogeneous, difficult-to-prepare, or low-level samples.
Macro sample sizes are quickly and simultaneously analyzed with a low cost-per-analysis.

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