LT3 measuring system
Compact, robust measurement of O₂ and CO/H₂ in flue gas
LAMTEC · LT3
- O₂ + COe
- SIL1 / SIL2
LT3 is a compact measuring system that combines the LAMTEC lambda transmitter with an LS2 or KS1D probe. With the LS2 probe it measures oxygen in the flue gas; with the KS1D probe it measures oxygen and, at the same time, the sum of unburnt components (COe).
The measured values form the basis for setting the fuel-air ratio and for combustion optimisation. LT3 is an economical alternative to the more flexible LT2: the standard version is SIL1 certified, and the two-transmitter configuration is SIL2 certified.
LT3 measuring system
- Oxygen measurement with the LS2 probe; oxygen and COe measurement with the KS1D probe
- Robust, compact steel housing; stainless steel as an option
- Cost-effective, field-proven and low-maintenance design
- SIL1 in the standard version (DIN EN 61508)
- SIL2 configuration with two transmitters (DIN EN 50156-1, DIN EN 61511-1)
LT3 measuring system
LS2 probe
Lambda probe that directly measures the oxygen concentration in the flue gas.
KS1D combination probe
Combination probe that measures oxygen together with the sum of unburnt components (COe) such as CO and H₂.
Key specifications
| Specification | LT3 |
|---|---|
| Measuring range | O₂: 0 … 21 % · COe (KS1D): 0 … 1000 ppm (0 … 10 000 ppm on request) |
| Measuring accuracy (O₂) | ±5 % (of reading, not better than ±0.3 vol.%) |
| Response time (t90) | O₂: < 9 s · COe: < 13 s |
| Max. flue gas temperature | ≤ 1400 °C (probe-dependent) |
| Degree of protection | IP65 · IP42 (probe-dependent) |
| Fuels | Light fuel oil, natural gas |
| Safety integrity level | SIL1 · SIL2 (1oo2) |
Approvals and standards
- CE declaration of conformity (2014/35/EU, 2014/30/EU, 2011/65/EU)
- EU type examination certificate — DIN EN 16340 (with KS1D)
- DIN EN 60730-1
- UL 60730-1 (US)
- CSA E60730-1 (CA)
- SIL1 — DIN EN 61508
- SIL2 — DIN EN 50156-1, DIN EN 61511-1
Accessories
- Analogue current and voltage output module (0/4…20 mA, 0/2…10 V)
- Digital output module for operating, status and limit value messages
- PROFIBUS DP module
- Efficiency calculation module with flue gas temperature measurement
More products in this group
LT1 measuring system
Modular system with the LS1 probe for O₂ measurement in flue gas; automatic calibration with ambient air and SIL1
- O₂ 0 … 21 %
- SIL1
- LS1 HT: ≤ 1400 °C
LT2 measuring system
Versatile, modular system for O₂ and CO/H₂ measurement in flue gas with LS2 and KS1D probes
- O₂ + COe
- LS2/KS1D: ECO · BF · KAF · Ex
- SIL1 (KS1D, special configuration)
LT3-Ex explosion-protected measuring system
O₂ and COe measurement in flue gas for Ex zones 1 and 2 with LS2-Ex and KS1D-Ex probes
- O₂ + COe
- Ex zones 1 and 2
- SIL1 · SIL2 (2 × LT3-Ex)
LT3-F measuring system
O₂ and COe measurement with KS1D probes for CO/H₂ trim control with LAMTEC burner controls
- O₂ + COe
- KS1D ECO · KS1D-BF
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