HAMILTON VisiFerm DO Arc 325 H2 溶解氧传感器 (4 ppb ~ 25 ppm)

a-length: 325 mm

Electrical Connector: VP8

Sensor Output Arc: Modbus, 4 to 20 mA

Measurement Principle: Oxygen dependent luminescence quenching, temperature compensation

Measuring Range: 4 ppb to 25 ppm (DO) 0 to 62.85 %-vol or 0 to 300 %-sat

Accuracy at 25 °C: 1 ± 0.05 %-vol; 21 ± 0.2 %-vol; 50 ± 0.5 %-vol

Drift at Room Temperature: < 1 % per week

Additional specifications

Sensor Cap: ODO Cap H2

Electrolyte: None

Oxygen Consumption: None

Temperature Sensor: NTC 22 kOhm

Configurable Values: DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (dissolved oxygen); Temperature: °C, °F, K

Diameter: 12 mm

Process Connection: PG13,5

Wetted Parts: Stainless Steel 1.4435

PTFE (Polytetrafluoroethylene)

EPDM (Ethylene propylene elastomer)

See compliance details in Material Specification document

Surface Quality of Steel: Ra < 0.4 µm (N5)

Analog Interface 1: 4 to 20 mA for DO, programmable, galvanically not isolated; pulse width modulation 5 kHz

Digital Interface: RS485 Modbus (max. 32 addresses)

Baud Rate: 4800, 9600, 19200, 38400, 57600,115200 Bd

Operating Voltage: 7 to 30 VDC max. 1 W

Serial Number: Yes

Response Time: t98% < 60 s at 25 °C

Certificate: Yes, with parameter settings and materials used

ATEX Approval: No

IECEx Approval: No

Autoclavable: Yes, max. Temperature 130 °C

CIP: Yes

Steam Sterilizable: Yes, max. Temperature 140 °C

Operating Temperature Range: -10 to 140 °C; the sensor provides no DO reading above 85 °C

Pressure Range bar g: -1 to 12 bar

Required Flow: None

Datasheet