Mettler Toledo M400 Manual de usuario Pagina 3

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Specifications M400 transmitter series
M
easurement parameters pH, mV, and temperature
pH, ORP input range –1500 to 1500 mV
pH display range 1 to 15 pH
Resolution auto/0.001/0.01/1 (can be selected)
Relative accuracy ± 0.03 pH; ±2 mV
Temperature input Pt1000, Pt100
T
emperature compensation Automatic/manual
T
emperature measuring range –30 to 130°C (–22 to 266°F)
Temperature resolution 0.1°C/°F
Temperature measurement error ±0.25°C (±0.45°F)
C
alibration 1 or 2 point calibration, process calibration
Oxygen
Measurement parameters D.O. saturation or concentration and temperature
Measuring current (Air) ppm: 25 nA to 130 nA/ppb: 200 nA to 550 nA
at 25 °C (77 °F), 1 bar (14.5 psi) traces: 1500 nA to 6500 nA
D.O. concentration range 0.1 ppb (µg/L) to 20.00 ppm (mg/L)
Measurement error ±0.5% of full scale reading
Measurement resolution 30pA
Temperature input NTC 22
Temperature compensation Automatic
Temperature measuring range –10 to 80°C (14 to 176°F)
Calibration 1-point (slope or offset calibration),
process calibration (slope or offset calibration)
Conductivity
Measurement parameters Conductivity, and temperature
Conductivity/resistivity ranges 2 electrode sensor:
0.02 to 2000
µ
S
/cm (500
3cm to 50 M3cm)
C = 0.01 0.002 to 200 µS/cm
C = 0.1 0.02 to 2000 µS/cm
C =
1
15
to
4000 µS/cm
C = 3 15 to 12000 µS/cm
C = 10 50 to 40000 µS/cm
4-electrode sensor:
0.01 to 650 mS/cm (1.54 3cm to 0.1 M3cm)
T
emperatur
e input
Pt1000
Temperature measuring range –40 to 200°C (–40 to 392°F)
Sensor maximum distance 60 m (196.9 ft), 15 m (50 ft) with 4-electrode sensor
Cond
/
Res accuracy
± 0.5% of reading or 0.25
, whichever is gr
eater
,
up to 18 M3cm
Repeatability ± 0.25% of reading or 0.25 ohm, whichever is greater
Resolution
0.001 (four significant digits)
Temperature resolution 0.1°C/°F (can be selected)
Temperature relative accuracy ± 0.25°C (± 0.45°F)
T
emperature repeatability ± 0.13°C (± 0.23°F)
Chemical concentration curves HCl (0.01–15%), H2SO4 (0–25%),
NaOH (0.01–13%), H3PO4 (0–35%)
pH
52_121_341_TD_M400_Series_E 2.7.2008 9:12 Uhr Seite 3
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