Extractive gas analyzers
MERCEM300Z

Your Benefits

Reliable measurement of concentration of elemental and chemically bound Hg in gases
Extremely low operating cost
Automated adjustment with test gas for high measurement certainty (optional)
Minimal maintenance required
Self-adjusting gas analyzer provides high long-term stability without the need for maintenance
Convenient, quick access for problem-free service and user-friendly remote diagnostics

The exact device specifications and performance data of the product may deviate from the information provided here, and depend on the application in which the product is being used and the relevant customer specifications.

Overview

The MERCEM300Z extractive mercury gas analyzer monitors Hg emissions in flue gases with high reliability down to the smallest measuring ranges. Thanks to a range of housing variants, the MERCEM300Z is suitable for both application in climate-controlled analysis containers and outdoors under exacting ambient conditions. The complete extractive system is designed to meet national and international official requirements.

At a glance

Accurate measurement of “total mercury” directly in a thermal converter (patented)
Measuring operation without reagents
Practically maintenance-free gas sampling using an ejector pump – no moving parts
Integrated adjustment cell for automated drift checking
Automated adjustment of the entire measuring system with a built-in test gas generator (optional)
Completely modular system design

Accessories

Spare parts

Applications

Service & Support

Technical overview

Show all

Hide all

System

Measured values

Performance-tested measurands

Measurement principles

Zeeman atomic absorption spectroscopy

Gas flow rate
	150 l/h ... 400 l/h

Measuring ranges
Hg	0 ... 1 ppb / 0 ... 100 ppb

Certified measuring ranges
Hg	0 ... 10 µg/m³ / 0 ... 45 µg/m³ / 0 ... 100 µg/m³ / 0 ... 1,000 µg/m³

Sensitivity drift
	< 3 %: within the maintenance interval, relative to measuring range full scale

Zero point drift
	< 3 %: within the maintenance interval, relative to measuring range full scale

Detection limit
	< 2 %: relative to measuring range end value

Process temperature
	≤ +1,300 °C

Process pressure
	850 hPa ... 1,100 hPa

Ambient temperature
MERCEM300Z	–20 °C ... +50 °C
MERCEM300Z Indoor	+5 °C ... +35 °C

Storage temperature
	–20 °C ... +40 °C

Ambient pressure
	850 hPa ... 1,100 hPa

Ambient humidity
	≤ 80 % Relative humidity; non-condensing

Conformities

Approved for plants requiring approval

2001/80/EC (13. BImSchV)

2000/76/EC (17. BImSchV)

27. BImSchV

TA-Luft (Prevention of Air Pollution)

EN 15267

EN 14181

MCERTS

Electrical safety

Enclosure rating
MERCEM300Z	IP55
MERCEM300Z Indoor	IP43

Analog outputs

2 outputs:
0/4 ... 20 mA, 500 Ω
Electrically isolated; additional outputs if using I/O modules (option)

Digital outputs

4 relay contacts:
50 V, 4 A
Electrically isolated; additional outputs if using I/O modules (option)

Digital inputs

4 inputs:
24 V, 0.3 A
Electrically isolated; additional inputs if using I/O modules (option)

Modbus	✔
Type of fieldbus integration	TCP

Ethernet	✔
Function	Connection to SOPAS ET software or OPC server

Indication
	LC display

Input

Functional keys

Operation

Via LC-display or software SOPAS ET

Model

Aluminum cabinet

Dimensions (W x H x D)
MERCE300Z with cooling device	1,038 mm x 1,744 mm x 744 mm (for details see dimensional drawings)
MERCEM300Z Indoor	806 mm x 2,156.5 mm x 605 mm (for details see dimensional drawings)

Weight
	≤ 250 kg

Power supply
Voltage	Depending on device version
Power consumption	Without integrated test gas generator: ≤ 2,100 VA
	With integrated test gas generator: ≤ 3,100 VA

Auxiliaries
Instrument air	≤ 2,500 l/h 6 ... 7 bar; particle size max. 1 µm; oil content max. 0.1 mg/m³; pressure dew point max. –30 °C
Test gas	≤ 500 l/h Max. 0.5 bar; accuracy ±2%; water content 5 ... 30 vol.-%

Sample gas connections
Sample gas inlet	Swagelok 6 mm

Auxiliary gas connections
Test gas	Swagelok 6 mm
Instrument air	Swagelok 10 mm
Exhaust gas outlet	Swagelok 10 mm

Corrective functions

Internal adjustment cuvette

Integrated test gas generator (option)

Drift correction (QAL3) and check of the complete system

Integrated components

Integrated conditioning of instrument air (option)