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Product specifications:

Sensor	Range	Accuracy	Resolution	Type	615	620	621	618	801a	801b	801c
Temperature	-2 to 50^oC	±0.05^oC	0.01^oC	Pt100 element in a stainless steel sleeve	X	X	X		X	X
Conductivity	0 to 80 ms/cm 0 to 8,000 us/cm	±0.05ms/cm ±5 us/cm	0.02 ms/cm 3 us/cm	4 platinum electrode cell. Low range uses KCl algorithms. High range uses standard sea water algorithms.	X	X	X			X
Salinity 1	0 to 60 ppt	±0.05 ppt	0.02 ppt	Calculated from conductivity and temperature.	X	X	X			X
Dissolved oxygen	0 to 200% saturation 0 to 20 mg/l	±0.5%	0.1%	Active Pb/Ag cell stabilized PTFE membrane, inbuilt stirrer to allow constant flow over the membrane for stable readings.	X	X
Turbidity	0 to 1000 ntu	+	0.2 ntu 0.3 ntu	Nephelometric measurement from a detector aligned at 90^oto the pulsed infrared source that is unaffected by daylight.	X	X
pH	0 to 14	±0.03	0.01	Combination Ag/AgCl with junction (common with ORP).	X	X	OPT
ORP 2 (REDOX)	-700mV to +1100mV	±3 mV	1 mV	Combination bare metal electrode with common reference junction with pH sensor.	X	X
Depth	1 to 100m 0r 0 to 150m	±0.5% of full scale	0.1 m	Dual active arm silicon strain gauge.	OPT	OPT	X
Chlorophyll	0 to 450ug/l	± 3 ug/l	±1.0 ug/l	Blue excitation infrared detection at 90 Deg	OPT	OPT			X
Storage capacity for programmed logging 65536 includes GPS and Data Tag					X			X	X	X	X
Storage capacity for operator STORE button – 8192 includes GPS and Data Tag					X			X	X	X	X
Data tag – available for operator to insert when using STORE button					X			X	X	X	X
Data tag – available for operator to insert when using REMOTE LOGGING function					X			X	X	X	X

1. 618 (A$ 4999 without Depth, Add A$500 for Depth or Add A$1500 for Chlorophyll)

Manual

Manual with Chlorophyll

Software

System requirements for the software: Window 10, 8 and 7.

The YK618 comes already assembled. The only construction required is to connect the probe assembly to the Reader Unit.

General Description

The model 618 Water Quality Analyser Reading Unit is a robust multi-parameter field instrument which can be used for real time water quality measurements or for remote operation using a built in data logger.

The instrument consists of a multi-sensor probe and a reader unit which can store and display data. Additional auxiliary analog probe inputs can be facilitated on the reader unit. The probe and reader unit have been designed to be compact, durable and easy to use. Data is transferred to the reader unit using Bluetooth. The Reader Unit controls the operation of the instrument, provides easy access to the data, control, memory and calibration functions. The Reader Unit contains a real time clock and all stored data includes the date and time of measurement. Both stored data and calibration information can be easily down loaded to a computer using the data transfer program, YK Quick Terminal.

The YK618 comes with storage container to protect the sensors while the instrument is in storage.

The battery charging is available for this reading unit.

Specifications

Reader Unit:

Display:	TFT LCD with colour selectable display. All sensors of real time data can be displayed within one screen and on a computer at the same time.
Memory:	Remote logging – Maximum 65536 samples. Real time (STORE key) maximum 8192 samples. All samples include date, time, GPS and data tag if assigned. Memory’s data can be kept for 10 years without battery.
Data tags:	You may type your own tag name or automatically generated by this reader unit according Time and Date, you older tag name or GPS data. Note: each data tag is limited to 18 characters long.
Sample Rate:	Logging time can be easily set from 3 seconds to 1sample every 24 hours. Display updates every 1 second.
ADC:	18bit ADC for probe and old models having 13bit ADC

Communications: Baud rate 9600, 8 data bits, 0 parity, 1 stop bits.

Power: Battery containing 4.8AH rechargeable lithium battery.

Case: Impact resistance polycarbonate; waterproof display, keypad, connectors and case.

Dimensions: 100 mm X 35 mm X 200 mm

Weight: 0.4 kg

Sensors: Temperature, Low conductivity, Turbidity, pH, ORP, Salinity, DO, Depth/Chlorophyll

2. 615 (A$ 5499 without Depth, Add A$500 for Depth or Add A$1500 for Chlorophyll)

Manual

Software.

System requirements for the software: Window 10, 8 and 7.

The YK615 comes already assembled. The only construction required is to connect the probe assembly to the Reader Unit and, if necessary, connect the external power supply.

General Description

The YK615 Water Quality Analyser is a robust multi-parameter field instrument which can be used for real time water quality measurements or for remote operation using a built in data logger. The instrument consists of a multi-sensor probe and a Reader Unit which can both store and display data and also has extra auxiliary analog probe inputs. The probe and Reader Unit have been designed to be compact, light weight and easy to use. Data is transferred to the Reader Unit using serial communications giving reliable, interference free measurements. The Reader Unit controls the operation of the instrument, provides easy access to the data, control, memory and calibration functions. The Reader Unit contains a real time clock and all stored data includes the date and time of measurement. Both stored data and calibration information can be easily down loaded to a computer using the YEO-KAL data transfer programs. The YK615 comes with storage container to protect the sensors while the instrument is in storage. An optional auxiliary battery lead is available for connecting the YK615 to an external power supply during extended periods of remote logging.

Specifications

Reader Unit:

Display: LCD with four lines of 16 alphanumeric characters. Memory: Remote logging - 2425samples. Real time (STORE key) 840samples. All samples include date, time plus optional GPS if assigned. Memory is backed up by lithium battery to guard against main battery failure. Headers: 75 for STORE key data; 25 for logged data. Note: each header is 18 characters long. Sample Rate: 1 per 2 minutes to 1 per day in Standard Logging Mode. 1 per second in Fast Logging Mode. Display updates every 2 seconds. Communications: Baud rate 9600, 8 data bits, 0 parity, 2 stop bits.

Power: Battery pack containing 8 "C" size cells. Memory backup voltage supplied by ½ AA lithium cell. Case: Impact resistance polycarbonate; waterproof display, keypad, connectors and case. Dimensions: 130 mm x 95 mm x 190 mm Weight: 1.6 kg

Sensors: Temperature, Low conductivity, Turbidity, pH, ORP, Salinity, DO, Depth/Chlorophyll

3. 801B Chlorophyll & Temperature with reader/logger (A$ 2099 without reader/logger, Add A$500 for reader/logger)

4. 801A Conductivity & Temperature with reader/logger (A$ 1099 without reader/logger, Add A$500 for reader/logger)

5. 611

Manual

Software.

System requirements for the software: Window 10, 8 and 7.

6. 620 621 (Use battery to log and use computer to get Data A$ 4999)

Manual

Software.

System requirements for the software: Window 10, 8 and 7.

7. 621 (Use computer to get Data A$ 4000)

Manual

Software.

System requirements for the software: Window 10, 8 and 7.

8. Buoy

Pumping water into measuring cell then measure and store the data. Transfer the data by Bluetooth. Used for remote long term logging.

9. Telemetry

Pumping water into measuring cell or submerged the probe in the water then measure and store the data. Transfer the data by mobile to your website and display the real time parameters.

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