manual and description of the gas analyser

Kenndaten

Bezeichnung

Sauerstoffmessgerät stationär

Einsatz

Messung der Sauerstoffkonzentration in Gasen

Messdaten

Messbereich

0...100 Vol.-ppm, entspr. 4...20mA

Messgenauigkeit bei Normaldruck

rel. Messfehler < 3% im Bereich 2 · 105... 10 ppm

rel. Messfehler < 5% im Bereich 10 ... 0,1 ppm

Messgasdurchsatz

5 ... 10 l/h

Max. zulässiger Druck des Messgases

0,1 MPa (1 bar) Überdruck

Über 1 kPa ist eine Fehlerkorrektur erforderlich

Max. zulässige Temp. des Messgases

80°C am Gaseintritt

Druckabfall über der Messzelle

ca. 1 kPa (100 mm WS) bei 10 l/h

Technical Data

Characteristic data

Description........        Oxygen monitor MGA 100
Version for portable use

Measuring Range........        o... 1 vol.ppm to 0... 21 Vol.%

Accuracy at Normal Pressure........        Relative error < 3% in the range of 500 Vol.ppm to 21 Vol.%
Relative error < 5% in the range of lower 500 Vol.ppm

Gas Flow Quantity........        5 ... 10 l/h for the given accuracy (self regulated by internal pump)

Max. Permitted Pressure

of the Measured Gas................0.1 MPa (1 bar);

Max. Permitted Temperature of
the Measured Gas        80°C at the gas inlet

Pressure Loss in the OTM................0,1 kPa appr.

1. Mechanical data/Ambient conditions

Dimensions................OTM:        320 × 240 × 90 (L × W × H in mm)
OTMS:        120 × 300 × 300

Weight........        OTM:        4 kg
OTMS    : 7 kg

Ambient temperature/humidity........        10-40 °C, 80 % rH at 20 °C; OTMS M1: -20-60 °C

Storage temperature/humidity........        -20-60 ° C, 95 % rH at 20 °C

relative humidity........        maximal 80 %

2. Electrical data

Protection Degree........        OTM:        IP 30
OTMS    : IP 56

Power Supply

Voltage........        110 ··· 230 V/50 ··· 60 Hz

Power Consumption........        30 VA

Sensor Heater........        24 V DC, approx. 15 W (Internally controlled)

Keyboard and display

keyboard........        Foil keys with 4 soft keys and 2 fix keys

Plaintext indication ........        LCD-graphic display (back lighted)

3. Interface data

Serial Interface RS-232

Transfer rate........        max. 19200 Baud, adjustable

Stop bits........        1

Data bits........        8

Parity........        none

Handshake........        none

Table 1: Serial Interface Protocol (CR = Carriage Return)

Table 2: Error Indication