Automatic system designed for continuous mercury monitoring in natural gas even in hazardous zones (ATEX, IEC-Ex).
Each mercury on-line system will differ in sample characteristics as well as installation conditions and operating environment. We have the experience to design systems that fully meet the requirements of your particular mercury monitoring task.
Amalgamation (MI GoldTrap), cold vapor atomic absorption (CVAAS) at 253.7 nm
Electrodeless low pressure mercury lamp (EDL)
Reference beam method
Fused silica (Suprasil), l: approx. 230mm, heated approx. 45°
Total Gaseous Mercury (TGM)
lowest range:
0.1 ng/m³ – 1000 ng/m³ (at 10 l sample gas volume);
medium range: 1 ng/m3 – 10 000 ng/m3 (at 1 l sample gas volume);
screening mode: 10 ng/m3 – 30 000 ng/m3 (at 0.1 l sample gas volume)
1 pg absolutely or 0.1 ng/m3
3% or better
5% or better
4-20 mA; serial: RS232; Modbus RTU RS485 (option); Ethernet (option)
3 x pairs of relay contacts (dry contacts)
80 °C
0- 35°C; -5 – 55 °C (air conditioned)/td >
230 VAC / 50 Hz (110 VAC / 60 Hz option)
depending on characteristics and customer demands