Hach-Lange EVITA OXY Basic User Manual - Manual (Page 83)

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Technical data
Changes reserved.
Transmitter
Measurement method Clark principle
Transmitter cable 2-wire shielded cable 2 x 0.75 mm² (18 AWG), length: 10 m
Supply voltage
Minimum 12 V direct current - maximum 30 V direct current
HART
® : Ripple (47 Hz–125 Hz) 0.2 V (between crests)
Maximum noise (500 Hz–10 Hz): 1.2 mV rms
Power consumption Maximum 720 mVA
Current output 3.80–24 mA
Time constant 10–300 s (standard 40 s)
Digital communication HART ® communication superimposed on the current output
Alarm signal At the current output (refer to section "Troubleshooting")
Measurement range
(configurable)
Transmitter:
OXY 3150:
OXY 4100/4150:
Minimum measurement
span:
3–50 ppm or mg/L; 30–500 %
0–50 ppm or mg/L; 0–500 %
1 ppm or mg/L; 10 %
Sensor (recommended values for the maintenance of the service life):
OXY 1100, 25 μm:
OXY 1100, 50 μm:
OXY 1100, 125 μm:
0.002–2 ppm
0.1–10 ppm
2–50 ppm
Temperature range
Transmitter:
Operation:
Storage/transport:
-40 °C–+50 °C
-40 °C–+70 °C
Sensor:
Operation:
Storage/transport:
0 °C–+50 °C
0 °C–+70 °C
Measured medium: 0 °C–+40 °C