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Two-Wire 4-20mA Two-Electrode Ozone Sensor

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Two-Wire 4-20mA Two-Electrode Ozone Sensor

Name: TwoWire 420mA TwoElectrode Ozone Sensor
Brand: Daruifuno
Price: 1 USD

Two-Wire 4-20mA Two-Electrode Ozone Sensor Manufactures

Brand Name : Daruifuno

Model Number : OZ1.2

Certification : CE, ISO

Place of Origin : China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T

Delivery Time : 1-45 work days

Packaging Details : carton

Product Name : Ozone sensor

Product Model : OZ1.2

Measuring range : 0~0.5/2/5/10/20ppm

Pressure Range : 0 ~ 1bar (Flow cell)

Temperature Range : 0 ~ 45 ℃

Response Time : T90: approx. 3 min. (brine approx. 5 min.)

Flow Rate : 15-30 l/h (33 – 66 cm/s)

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Two-Wire 4-20mA Two-Electrode Ozone Sensor For Drinking Water, Direct Drinking Water, Service Process Water

Two-electrode system ozone sensor OZ1.2, used in drinking water, direct drinking water, service and process water, measuring water without surfactant, optional range 0~0.5/2/5/10/20ppm

The functional characteristics of the ampere film ozone sensor include high sensitivity and fast response, which can accurately measure the ozone concentration in water. Its advantages are strong anti-interference ability, suitable for various water quality environments, and long service life. It is suitable for drinking water and industrial water treatment to ensure water quality safety.

Two-Wire 4-20mA Two-Electrode Ozone Sensor

Specifications

OZ1.2

Indicator

Ozone

Application

Swimming pool water, drinking water, service water, process water
The water must not contain any surfactants (tensides)!

Measuring system

Membrane covered, amperometric 2-electrode system

Electronic

Analog version: - voltage output

- not galvanically isolated electronics

- analog internal data processing

- output signal: analog (analog-out/analog)

Digital version: - electronic is completely galvanically isolated

- digital internal data processing

- output signal: analog (analog-out/digital)

digital (digital-out/digital)

mA-version: - current output analog

- not galvanically isolated electronics

- output signal: analog (analog-out/analog)

Information about the

measuring range

The actual slope of a sensor can vary production-related between 65% and 150% of the nominal slope

Note: With a slope > 100% the measuring range is reduced accordingly.

(Ex.: 150% slope → 67% of the specified measuring range)

Slope drift

At repeatability conditions

(25 °C, pH 7,2 in drinking water)

Approx. <- 1% per month

Working temperature

Measuring water temperature: 0 … +45 °C

(no ice crystals in measuring water)

Ambient temperature: 0 … +55 °C

Temperature

compensation

Automatically, by an integrated temperature sensor
Sudden temperature changes must be avoided

Max. allowed working pressure

Operation without retaining ring:

- 0.5 bar

- no pressure impulses and/or vibrations

Operation with retaining ring in Flow cell:

- 1.0 bar,

- no pressure impulses and/or vibrations (see option 1)

	OZ1.2
Flow rate (Incoming flow velocity)	Approx. 15-30 l/h (33 – 66 cm/s) in flow FLC, small flow rate dependence is given
pH-range	pH 1 – pH 11
Run-in time	First start-up approx. 1 h
Response time	T90 : approx. 15 sec.
Zero point adjustment	Not necessary
Calibration	At the device, by analytical determination
Interferences	Cl2: factor 0.03 ClO2: factor 0.7
Absence of the disinfectant	Max. 24 h
Connection	mV version: Modbus version: 4-20 mA version:		5-pole M12, plug-on flange 5-pole M12, plug-on flange 2-pole terminal or 5-pole M12, plug-on flange
max. length of sensor cable (depending on internal signal processing)	analog	< 30 m
	digital	> 30 m are permissible Maximum cable length depends on application
Protection type	5-pole M12 plug-on flange: IP68 2-pole terminal with mA-hood: IP65
Material	Semipermeable membrane, PVC-U, ABS
Size	Diameter: Length: mV version Modbus version 4-20 mA version			approx. 25 mm approx. 190 mm (analog signal processing) approx.. 205 mm (digital signal processing) approx. 205 mm approx. 220 mm (2-pole-terminal) approx. 190 mm (5-pole-M12)
Transport	+5 … +50 °C (sensor, electrolyte, membrane cap)

OZ1.2

Storage

Sensor: dry and without electrolyte no limit at +5 … +40 °C

Electrolyte: in original bottle protected from sunlight at +5 … +35 °C min. 1

year or until specified EXP-Date

Membrane cap: in original packing no limit at +5 … +40 °C

(used membrane caps can not be stored)

Maintenance

Regularly control of the measuring signal, min. once a week

The following specifications depend on the water quality:

Change of the membrane cap: once a year (depending on the water quality)

Change of the electrolyte: every 3 - 6 months

Option 1:

Retaining ring

- When operating with pressures >0.5 bar in flow cell

- Dimensions retaining ring 29 x 23.4 x 2.5 mm, slitted, PETP

- Different positions for groove selectable(on request)

Two-Wire 4-20mA Two-Electrode Ozone Sensor

Technical Data

1. OZ1.2 (analog output, analog internal signal processing)
A potential-free electrical connection is necessary as the sensor electronic is not equipped with a galvanical
isolation.

	Measuring range in ppm	Resolution in ppm	Output Output resistance	Nominal slope in mV/ppm	Voltage supply	Connection
OZ1.2H-M12	0.005…2.000	0.001	0…-2000 mV 1 kΩ	- 1000	±5 - ±15 VDC 10 mA	5-pole M12 plug-on flange Function of wires: PIN1: measuring signal PIN2: +U PIN3: -U PIN4: signal GND PIN5: n. c.
OZ1.2N-M12	0.05…20.00	0.01	0…-2000 mV 1 kΩ	- 100	±5 - ±15 VDC 10 mA
OZ1.2HUp-M12	0.005…2.000	0.001	0…+2000 mV 1 kΩ	+1000	10 - 30 VDC 10 mA	5-pole M12 plug-on flange Function of wires: PIN1: measuring signal PIN2: +U PIN3: power GND PIN4: signal GND PIN5: n. c.
OZ1.2NUp-M12	0.05…20.00	0.01	0…+2000 mV 1 kΩ	+100	10 - 30 VDC 10 mA

(Subject to technical changes!)

2. OZ1.2 (analog output, digital signal processing)
Analog-out / digital
-The power supply is galvanically isolated inside of the sensor.
-The output signal is galvanically isolated too, that means potential-free.

	Measuring range in ppm	Resolution in ppm	Output Output resistance	Nominal Slope in mV/ppm	Power supply	Connection
OZ1.2H-An-M12	0.005…2.000	0.001	analog 0…-2 V (max. -2.5 V) 1 kΩ	- 1000	9-30 VDC approx. 20-56 mA	5-pole M12 plug-on flange Function of wires: PIN1: measuring signal PIN2: +U PIN3: power GND PIN4: signal GND PIN5: n. c.
OZ1.2N-An-M12	0.05…20.00	0.01	analog 0…-2 V (max. -2.5 V) 1 kΩ	- 100
OZ1.2H-Ap-M12	0.005…2.000	0.001	analog 0…+2 V (max. +2.5 V) 1 kΩ	+1000
OZ1.2N-Ap-M12	0.05…20.00	0.01	analog 0…+2 V (max. +2.5 V) 1 kΩ	+100

(Subject to technical changes!)

3. OZ1.2 (digital output, digital signal processing)
-The power supply is galvanically isolated inside of the sensor.
-The output signal is galvanically isolated too, that means potential-free.

Measuring

range

in ppm

Resolution

in ppm

Output

Output resistance

Power supply

Connection

OZ1.2H-M0c

0.005…2.000

0.001

Modbus RTU

There are no terminating resistors in the sensor.

9-30 VDC

approx. 20-56 mA

5-pole M12 plug-on flange

Function of wires:

PIN1: reserved

PIN2: +U

PIN3: power GND

PIN4: RS485B

PIN5: RS485A

OZ1.2N-M0c

0.05…20.00

0.01

(Subject to technical changes!)

4. OZ1.2 4-20 mA (analog output, analog internal signal processing)
A potential-free electrical connection is necessary as the sensor electronic is not equipped with a galvanical
isolation.
4.1 Electrical connection: 2 pole terminal clamp

	Measuring range in ppm	Resolutio n in ppm	Output Output resistance	Nominal slope in mA/ppm	Voltage supply	Connection
OZ1.2MA0.5	0.005…0.500	0.001	4…20 mA uncalibrated	32.0	12…30 VDC RL 50Ω…RL 900Ω	2-pole terminal (2 x 1 mm²) Recommended: Round cable 4 mm 2 x 0.34 mm²
OZ1.2MA2	0.005…2.000	0.001		8.0
OZ1.2MA5	0.05…5.00	0.01		3.2
OZ1.2MA10	0.05…10.00	0.01		1.6
OZ1.2MA20	0.05…20.00	0.01		0.8

(Subject to technical changes!)

4.2 Electrical connection: 5 pole M12 plug-on flange

	Measuring range in ppm	Resolution in ppm	Output Output resistance	Nominal slope in mA/ppm	Voltage supply	Connection
OZ1.2MA0.5-M12	0.005…0.500	0.001	4…20 mA uncalibrated	32.0	12…30 VDC RL 50Ω…RL 900Ω	5-pole M12 plug- on flange Function of wires: PIN1: n. c. PIN2: +U PIN3: -U PIN4: n c. PIN5: n. c.
OZ1.2MA2-M12	0.005…2.000	0.001		8.0
OZ1.2MA5-M12	0.05…5.00	0.01		3.2
OZ1.2MA10-M12	0.05…10.00	0.01		1.6
OZ1.2MA20-M12	0.05…20.00	0.01		0.8

(Subject to technical changes!)

Spare Parts

Type	Membrane cap	Electrolyte	Emery	O-ring
For all OZ1.2	M20.2 Art. no. 11011.1	EOZ1/W, 100 ml Art. no. 11101	S1 Art. no. 11908	14 x 1.8 silicone Art. no. 11805

(Subject to technical changes!)

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