2014 LECO TCH-600 Oxygen, Nirogen, Hydrogen Determinator

Leco Model TCH-600, Nitrogen, Oxygen, Hydrogen Determinator

Core Specifications

• Detection principle: Inert gas fusion coupled with solid‑state infrared (IR) absorption (O, C) and thermal conductivity (TC) detection (N, H) www.instrumenthive.com.
• Furnace: High‑power graphite electrode pulse furnace with programmable ramp/soak control; >3,000 °C heating www.instrumenthive.com.
• Typical detection limits:
• Oxygen ≤ 0.1 ppm
• Nitrogen ≤ 0.05 ppm
• Hydrogen ≤ 0.02 ppm (matrix‑dependent) www.instrumenthive.com
• Sample form & size: Solid metallic or ceramic samples (powders, chips, turnings, pellets); max. 1.0 g www.instrumenthive.com.
• Carrier gas: High‑purity helium or argon www.instrumenthive.com.
• Compliance: ISO 14284, ASTM E1019, USP elemental impurity testing