Area of application  

Background mercury monitoring of ambient air, technological control. The RA-915AM monitor is designed for the continuous measurement of the concentration of elemental mercury in ambient and indoor air, and technological gases. 

PRINCIPLE OF OPERATION  

Atomic absorption with Zeeman background correction

INSTALLATION  


The RA-915AM monitor is designed for indoor operation or installation in climate controlled cabinets. The monitor can be installed in standard 19 inch rack.

TECHNICAL SPECIFICATIONS
Analytical
I
Range I 0.5-2,000 ng/m3
Response Time 300 sec
II
Range II 5-20,000 ng/m3
Response Time 20 sec
Automatic Zero Drift Correction
Automatic Span Correction
Gas Flow 7-10 I/min
Communication Ports RS 232; 4 x USB; 1 Relay
Status Outputs MEASURING;ZERO CONTROL;CALIBRATION;SERVICE;FAILURE

Operating Conditions：

Ambient air temperature -20 to +50 °C

Atmospheric pressure 84 to 106,7 kPa

Ambient relative humidity < 98 % at 35 °C

Power Built-in UPS (optional) 110/240 VAC, 50/60 Hz; max 120 VA

Dimensions 550 x 480 x 220 mm

Weight 22 kg

ADVANTAGES

Direct continuous measurements
Highest selectivity
No chemicals, no pre-concentration
Stable calibration
Automatic zero drift and span correction
Automatic recalculation to standard conditions
Customized operation parameters and communication protocol

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