Environmental Monitoring Solutions
Measuring of Total Gaseous Mercury (TGM) in air and other gases. Reliable for measurements at ultra-trace levels (sub-ng/m³) according to EN 15852.
The UT-3000 operates automatically. All functions are controlled by an embedded microprocessor. When measurements are carried out, all parameters and results are stored in the integrated data logger.
With standard settings the data logger has a recording capacity of 5000 measurements (approx. 2 months).
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| Measuring principle | Amalgamation (MI GoldTrap), cold vapor atomic absorption (CVAAS) at 253.7 nm |
| Measured component | Total Gaseous Mercury (TGM) |
| UV-Source | Electrodeless low pressure mercury lamp (EDL) |
| Stabilization method | Reference beam method |
| Optical cell | Fused silica (Suprasil), l: approx. 230mm, heated approx. 45° |
| Detection limit | 0,1 ng/m³ corresponding to 0,5 pg Hg absolutely |
| Sample volume | 0,1 l to 10 l |
| Sampling duration | 9 sec … 15 min |
| Measurement cycle time | 3 … 99 min |
| Measuring ranges | at 10 l sample volume: 0,1 ng/m³ to 1000 ng/m³; at 1 l sample volume: 1 ng/m³ to 10 000 ng/m³ |
| Data logger function | integrated, for up to 5 000 measurements |
| Calibration | manually – by injecting calibration gas into the calibration port (syringe optionally available); automatic -with calibration gas unit (option) |
| Signal outputs | analogue: 4 – 20 mA (500 Ω max.); serial: RS232 / USB |
| Status output | 3 x pairs of relay contacts (dry contacts) |
| Ambient temperature range allowed | 0 to 40°C |
| Power supply | 230 VAC / 50 Hz -110 VAC / 60 Hz |
| El. Power consumption | 250 VA max. (heating peak) |
| Battery power | supply pack optionally available |
| Dimensions (W x H x D) | 45 x 15 x 35 cm (without filter) |
| Weight | approx. 9 kg |
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