In stock
- Installation & training on-site setup, gas connection and operator onboarding
- Method + calibration induction and resistance SOPs set up on your samples
ELTRA ELEMENTRAC CS-d Dual-Furnace Carbon/Sulfur Analyzer – Induction + Resistance | ppm–100%
Dual-furnace analyzer that combines an induction furnace (above 2,000 °C) and a resistance furnace (to 1,550 °C) in one instrument — carbon and sulfur in both inorganic and organic samples, from ppm to 100 %, with up to four gold infrared cells.
- ✔ ELTRA Dual Furnace (EDF) · induction + resistance · organic & inorganic C/S
- ✔ ppm to 100 % · up to 4 independent IR cells · gold IR path
- ✔ Intelligent lance · low-blank port · 36/130 autoloader · TIC · halogen trap
- ✔ Lead time: configured to order — request current timeline
What your QC lab actually checks
Two furnaces cover every sample
ELTRA Dual Furnace (EDF) Technology combines an induction furnace above 2,000 °C for metals, cast iron and ceramics with a resistance furnace to 1,550 °C for coal, coke and soil — so one instrument covers carbon and sulfur in both inorganic and organic samples from ppm to 100 %. Intelligent lance management, a low-blank sample port and up to four gold infrared cells keep results reliable across the whole range.
An applications engineer on the line
IR-cell configuration, induction and resistance calibrations, autoloader and TIC/halogen options from engineers who run metal additive manufacturing in-house (AO Metal). Sub-4h reply, NDA standard.
The ELTRA ELEMENTRAC CS-d combines an induction furnace (above 2,000 °C) and a resistance furnace (up to 1,550 °C) in one instrument — ELTRA’s Dual Furnace (EDF) Technology. It determines carbon and sulfur in both inorganic samples (steel, cast iron, ceramics) and organic samples (coal, coke, soil) from the ppm range up to 100 %, using up to four independent infrared cells with gold IR paths. Intelligent lance management and a low-blank resistance sample port give complete combustion and reliable low-level results.
Why high-throughput labs choose the CS-d
One analyzer for organic and inorganic carbon and sulfur — from ppm to 100 %.
Two furnaces, one instrument
ELTRA Dual Furnace (EDF) Technology combines an induction furnace above 2,000 °C for metals and a resistance furnace to 1,550 °C for organics — full flexibility from a single analyzer.
Organic + inorganic, ppm to 100 %
The latest detector technology gives a wide carbon and sulfur range from ppm to 100 % in both furnaces, with up to four independent infrared cells and gold cuvettes as standard.
Intelligent lance + low-blank port
Intelligent lance and combustion management ensure complete combustion of powders without sample loss; a low-blank resistance sample port enables reliable analysis of low-carbon samples.
Autoloader, TIC & halogen trap
Options include a 36- or 130-position autoloader, an HTF-540 pre-heating furnace, a halogen trap for high halogen levels and a TIC module for total inorganic carbon.
How Additive Plus supports it
A configured, installed dual-furnace analyzer with methods dialed in on your samples.
Configure to your samples
We spec the IR-cell configuration, autoloader, pre-heating furnace and TIC/halogen options to your organic and inorganic matrices before it ships.
Install & train
Factory-trained engineers install the analyzer, connect oxygen, air and the PC/balance, and train your team on both furnace methods.
Method & QC support
We help build the SOPs — induction and resistance calibrations, blank control and repeatable carbon/sulfur baselines.
What the CS-d measures
Full technical specifications are in the Specifications tab. Key measurement capability:
| Parameter | ELEMENTRAC CS-d |
|---|---|
| Measured elements | Carbon, sulfur (inorganic and organic samples) |
| Measuring range | ppm range to 100 % (both furnaces) |
| Principle | Dual furnace — induction > 2,000 °C + resistance to 1,550 °C — with solid-state IR |
| Detection | 1–4 infrared cells · gold IR path |
| Analysis time | Induction ~40–50 s · resistance ~60–120 s |
| Requirements | Oxygen 99.5 % · compressed air · PC, monitor, 0.0001 g balance |


Typical sample materials
Carbon and sulfur across metals, minerals and organic matrices.
Not sure the CS-d is the right analyzer?
Compare with single-furnace ELEMENTRAC combustion analyzers.
Organics / resistance onlyELEMENTRAC CS-rView analyzer →
Adds hydrogenELEMENTRAC CHS-rView analyzer →
Why source the CS-d through Additive Plus
- Authorized channel for ELTRA / Verder Scientific lab equipment — sales, installation, training and service in one place.
- Configured to your samples — IR cells, autoloader, pre-heating furnace and TIC/halogen options specified before shipping.
- Method development on your samples — induction and resistance calibrations, blank control and repeatable SOPs.
- <24h response from engineers who run metal additive manufacturing in-house (AO Metal). NDA standard.
| Brand | ELTRA |
| Model | ELEMENTRAC CS‑d |
| Measured elements | carbon, sulfur |
| Samples | inorganic, organic |
| Furnace alignment | horizontal (resistance furnace) and vertical (induction furnace) |
| Sample carrier | ceramic boats / crucibles |
| Field of application | agriculture, chemistry / plastics, coal / power plant, construction materials, engineering / electronics, environment / recycling, geology / mining, glass / ceramics, medicine / pharmaceuticals, steel / metallurgy |
| Furnace | induction furnace, above 2,000 °C resistance furnace (ceramic tube), adjustable up to 1,550 °C (steps of 1 °C) |
| Detection method | solid state infrared absorption |
| Number of IR cells | 1 - 4 |
| Material of IR path | gold |
| Typical analysis time | induction furnace 40 - 50 s resistance furnace 60 - 120 s |
| Chemicals required | magnesium perchlorate, platinized silica (alternatively copper oxide), sodium hydroxide |
| Gas required | compressed air (4 - 6 bar / 60 - 90 psi) oxygen 99.5 % pure (2 - 4 bar / 30 - 60 psi) |
| Power requirements induction furnace | 230 V, 50/60 Hz, 16 A fuse |
| Power requirements resistance furnace | 230 V, 50/60 Hz, 20 A fuse |
| Dimensions (W x H x D) | 890 x 840 x 790 mm / 35.04 x 33.07 x 31.1 in |
| Weight | ~ 200 kg |
| Required equipment | PC, monitor, balance (resolution 0.0001g) |
| Optional accessories | Autoloader for 36 crucibles, HTF-540 pre-heating furnace, autoloader for 130 crucibles, carrier gas purification, halogen trap |
Product videos
Common questions
Don't see yours? Email [email protected] — NDA standard, typical reply within 4 hours.
What makes the ELTRA ELEMENTRAC CS-d different?
How does the measurement work in each furnace?
What is the measuring range and IR configuration?
How does the CS-d handle difficult powder samples?
What options and automation are available?
What does the CS-d need to run?
What is the lead time, and can Additive Plus set it up?
Place your order, or talk to an engineer first
Order ELTRA ELEMENTRAC CS-d Dual-Furnace Carbon/Sulfur Analyzer – Induction + Resistance | ppm–100% direct, or talk to materials engineer