Smart environmental monitoring solutions
QAL 1 certified for continuous, accurate and reliable measurement of total mercury emissions, even in very low concentrations and within complex matrices (SO2, NOx, HCl, etc.)
With over 20 years experience, Mercury Instruments (part of ENVEA Group) were the first to develop mercury monitors and mercury analyzers using a dry thermocatalytic method instead of wet chemistry.
The SM-4 Mercury Monitor is QAL1 certified and is ready to meet future regulatory requirements (Minamata convention & European directives for thermal power plants and incinerators).
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Mercury monitor perfectly adapted for continuous mercury analysis in:
| Measuring principle | thermocatalytic reduction at stack, Amalgamation (MI GoldTrap), cold vapor atomic absorption (CVAAS) at 253.7 nm |
| Measured component | Total mercury (ionic and elemental speciation as option) |
| UV-Source | Electrodeless low pressure mercury lamp (EDL) |
| Stabilization method | Reference beam method |
| Optical cell | Fused silica (Suprasil), l: approx. 230mm, heated approx. 45° |
| Measuring ranges | 0.05 μg/m³ – 500 μg/m³ Hg (up to 1000 µg/m³ as an option) |
| Detection limit | 0.0001 μg/m³ (Detector); < 0.01 μg/m³ (System) |
| Response time T90 | 180 – 360 sec |
| Calibration | – automatic, with built-in calibration gas generator for elementary Hg (option); – automatic, with built-in calibration gas generator for ionic Hg (option); – manual, with built-in heated fitting to connect externally provided calibration gas (e.g. HOVACAL®) |
| TECHNICAL DATA | |
|---|---|
| Signal outputs | analogue: 4-20 mA (500 Ω max.); serial: RS232; Modbus RTU/RS485 (option); Ethernet (option) |
| Status output | 3 x pairs of relay contacts (dry contacts) |
| Remote access | Modem and SM-4 software (option) |
| Max. sample temperature | 250 °C (others upon request) |
| Ambient temperature range allowed | -5 to 40 °C |
| Sample line length | up to 30 m (up to 100 m option) |
| Power supply | 230 VAC / 50 Hz (110 VAC / 60 Hz option) |
| Electrical Power consumption | Analyzer cabinet: 450 VA; Probe-converter unit: 1000 VA; heated sample line: 30 VA / meter |
| Dimensions (H x W x D) | Analyzer cabinet: 161 x 80 x 60 cm; Probe converter unit: 36 x 36 x 66 cm; Probe controller: 48 x 44 x 27 cm |
| Weight | Analyzer cabinet (including automatic calibrator): 130 kg; Probe converter unit: 28 kg; Probe controller: 14 kg |
Compliance with:
Approved and QAL 1 certified by TÜV Rheinland Energie und Umwelt GmbH, Köln, (QAL1)
Our mercury analyzers are manufactured according to the ISO 9001 quality regulations.
CE approved
Talk to our sales team. Call +61 2 9622 6327
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