Operating instructions

7. Technical Information page 78
Mercury Instruments UT-3000-E_V2.11.docx 31.07.12
Analytical Technologies
7. Technical Information
7.1 Technical specifications
Instrument type UT-3000
Manufacturer Mercury Instruments GmbH, Liebigstr. 5,
85757 Karlsfeld, Germany
Measuring component Total Gaseous Mercury (TGM)
Measurement principle Atomic absorption, cold vapor method,
Preconcentration with GoldTrap
Measurement wavelength 253.65 nm
UV-source electrodeless mercury discharge lamp
Method of stabilising optically with reference beam; thermally
Optical cell entirely of fused silica Suprasil, l= 230 mm
Cell temperature ca. 70 °C, heated
Measuring range a) lowest range
b) medium range
c) screening mode
0.1 ng/m³-1000 ng/m³ at 10 l sample volume
1 ng/m³-3000 ng/m³ at 1 l sample volume
10 ng/m³ - 30000 ng/m³ at 0.1 l sample
volume
Detection limit according DIN 32645 1 pg absolutely or 0.1 ng/m³
Linearity over the 0.2 to 15000 ng/m³ range 1.5 % or better
Reproducibility 5 % or better at 14 pg Hg
1 % or better at 1500 pg Hg
Sampling flow 40 l/h
Goldtrap heating flow 10 l/h
Digital output signal Serial (USB/RS 232) for PC connection,
Data logger capacity 5000 data sets
Electrical power consumption Photometer: max. ca. 250 VA
Calibration Unit: ca. 70 VA
Power supply 230 VAC / 50 Hz ; 115 VAC / 60 Hz
(option) ; 12 V DC (option)
Dimensions 45 x 15 x 35 cm (WxHxD) without filter
Weight ca. 12 kg
7.2 Influencing effects
Operating temperature 0 °C ... 40 °C
Operating humidity max. ca. 90 % R.H., no condensing
humidity
CE approval according to 89/336 and 73/23 EEC