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Alpha DO 500 เครื่องวัดออกซิเจนในน้ำAlpha DO 500 เครื่องวัดออกซิเจนในน้ำ

Alpha DO 500/Thermo Scientific Dissolved Oxygen 2-Wire Transmitter

Availability: กรุณาสอบถามค่ะ

Alpha DO 500/Thermo Scientific Dissolved Oxygen 2-Wire Transmitter ช่วงการวัดกว้าง 0 ถึง 19.99 mg/L ความแม่นยำสูง
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Thermo Scientific Alpha DO 500

Dissolved Oxygen 2-Wire Transmitter

Product Features

Alpha DO 500 SeriesThe Alpha DO 500 Transmitter transmits dissolved oxygen readings across a wide measurement range to the peripheral instrument of your choice, reliably and accurately.

:: Measures dissolved oxygen (in mg/L, ppm and % saturation) simultaneously with temperature  

:: ±1.5 % full scale accuracy  

:: Quick, easy calibration using atmospheric air as calibration media for 100 % air saturation  

:: Push-button calibration – quick, easy, no hassle  

:: High quality, high resolution output at chart printers and other secondary devices

:: Reliable, accurate measurements at different temperature with Automatic Temperature Compensation   

:: Offset Adjustment Function allows you to adjust readings conveniently without having to remove electrode from the measurement tank or pipe

Specifications

Product Specification Description
Dissolved Oxygen
Range 0 to 19.99 mg/L / 0.00 to 19.99 ppm
0 to 199.9 % saturation
Resolution 0.01 mg/L or 0.01 ppm
0.1 %
Accuracy ±1.5 % full scale
Temperature
Range 0.0 to 100.0 ºC
Resolution 0.1 ºC
Accuracy ±0.5 ºC
Sensor Pt100; 2 or 3 wire
Compensation Auto/manual (0 to 50 ºC)
Pressure
Compensation 0.74 to 3.00 bars
550 to 2250 mmHg
10.7 to 43.5 psi 
(manual setting and automatic correction)
Salinity
Compensation 0.0 to 50.0 ppt
(manual setting and automatic calibration)
Transmitter:
Transmitter Function 4 to 20 mA scalable outputs for Dissolved Oxygen, galvanically isolated
Out-Of-Range Current Output 3.8 mA:
‘On’ select selects 3.8 mA
‘Off’ selects 4 mA (under range)
Selects 20 mA (over range)
Hold Current Output 22 mA:
‘On’ select selects 22 mA
‘Off’ selects last measured current value
Load Max. 600 Ohm
Electrical Data And Connections
DO Input 2-pin terminal
Connection Terminal 3-pin & 8-pin terminal, detachable blocks
Display
LCD  7 segments display with symbols for status information
Power Supply
Input 12 to 24 V DC
EMC Specifications
Emitted Interference According to EN 61326
Immunity To Interference According to EN 61326
Environmental Conditions
Operating Temperature Range 0 to 40 ºC
Max. Relative Humidity 80 % up to 31 ºC decreasing linearly to 50 % 
at 40 ºC
Mechanical Specifications
Dimensions (WxHxD) 96 x 96 x 66 mm
Weight 210 g (unit) / 310 g (packed)
Ingress Protection IP65

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06 กุมภาพันธ์ 2567
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