MERCURY MONITOR RA-915AMNG

continuous mercury measurements in a natural gas stream

SKU: ra-915amng Category:

RA-915AMNG monitors are designed for continuous mercury measurements in a natural gas stream and are ideal for permanent unattended installation at the gas monitoring stations.

RA-915AMNG monitor for natural gas allows direct rapid analysis of mercury in natural gas, enables prompt reaction to variations of mercury concentrations in the stream, monitoring of the MRU units and other applications.

The RA-915AMNG monitor requires very little maintenance and attention from the plant personnel (service may be done during maintenance shutdown) and requires no reagents/consumables for operation (only filters and lamp require periodic replacement during planned maintenance).

The remote data transfer makes it possible to connect the monitor to data collection systems via RS232, Modbus, and analogue output.

BENEFITS:

  • direct continuous measurements
  • low detection limit and wide range of measurement
  • highest selectivity
  • long-term calibration stability
  • no chemicals, carrier and zero gases
  • automatic zero drift and span correction
  • automatic recalculation to standard conditions
  • auto control and preventive maintenance functions
  • robustness and low maintenance
  • customized configuration

 

PRINCIPLE OF OPERATION

Atomic absorption with Zeeman background correction.

 

INSTALLATION

The RA-915AMNG monitors are designed for indoor operation or installation in climate controlled cabinets. The monitors can be installed in standard 19 inch rack.

 

EQUIPMENT AND OPTIONS

  • RA-915AMNG Air Mercury Monitor
  • On request monitors may be equipped with a flow switching device for multiple sampling points
Measurement Range I

0–2 000 ng/m3

Measurement Range II

0–150 000 ng/m3

Measurement Range III

0–3 000 000 ng/m3

Detection limit Range I

1 ng/m3

Detection limit Range II

50 ng/m3

Detection limit Range III

500 ng/m3

Averaging interval

5 min

Zero drift correction

Automatic

Span drift correction

Automatic

Gas pressure

Atmospheric (+/-20%)

Flow rate

4–10 lpm

Gas humidity

Dew point < 10 °C

Gas temperature

+1 to +40 °C

Communication ports

4-20 mA current loop, 2 USB, RS 232, LAN

Communication protocols

Standard: GESYTEC protocol, Modbus

Status outputs

WORK, SERVICE

Power supply

110/220 V, 50/60 Hz; 120 VA

Dimensions

600 x 480 x 220 mm

Weight

20 kg