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Time of issue:2020-04-29 00:00:00
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HQD desktop water quality analyzer

Online Analyzer

Online Analyzer

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HQD desktop water quality analyzer

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Product description
Technical indicators
<div class="reset_style js-reset_style js-adapMobile "><p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Multiple functions in one machine</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">One analyzer can be connected to different electrodes. </font><font style="vertical-align: inherit;">Used to determine pH, ORP, sodium, ammonium, ammonia, fluorine, nitrate, chlorine, conductivity, dissolved oxygen, etc.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Multiple measurement methods</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The analyzer provides three reading modes, which can realize the measurement of pressing and reading, indirect reading, and continuous reading.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Humanized Calibration Guide</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The operation interface of the HQd digital analyzer is simple and intuitive, with calibration guidelines and standard procedures to check, which greatly reduces calibration errors and simplifies the operation process. The calibration status indicator and calibration reminder ensure that the correct calibration result can be obtained.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Complete data traceability</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The HQd series digital analyzer can automatically record the electrode serial number, current calibration data, user ID, sample ID, time, and date, and save it in the system's data log. Each measurement data can be linked to the sample ID and user ID. , The electrode serial number and other data are correlated to ensure complete data traceability report supervision.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·USB data transmission method</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The analyzer provides a USB data interface, which can easily transfer the data results to a U disk and a computer.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Fully intelligent software system</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The upgraded software allows the user to customize the pH standard solution, that is, it supports the user to calibrate the pH according to any pH standard solution they have, not just limited to a fixed pH standard solution. </font><font style="vertical-align: inherit;">For conductivity, users can choose the reference temperature for temperature compensation arbitrarily, not limited to a fixed temperature. For dissolved oxygen, when a conductivity electrode is also equipped, the analyzer can automatically determine the dissolved oxygen according to the measured salinity. Perform salinity correction without manual input.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Laboratory and site sharing</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">The digital electrode can be used for both laboratory analysis and on-site analysis. </font><font style="vertical-align: inherit;">All connections between the analyzer and the electrodes are safe and waterproof. When the light is low, the screen of the instrument can emit background light and the font displayed on the screen can be enlarged.</font></font></span></p>
<p style="margin-top:0em;margin-bottom:0em;TEXT-INDENT:0em;LETTER-SPACING:0em;LINE-HEIGHT:2em;">
<span style="font-size:16px;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">·Technical indicators</font></font></span></p>
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  HQ411d (desktop) HQ430d (desktop) HQ440d (desktop)
Electrode connection port 1(pH) 1 (pH, conductivity, O 2 , ion selective electrode) 2 (pH, conductivity, O 2 , ion selective electrode)
Dissolved oxygen (LDO)  

 

 

 

 

Range   0.00-20.0mg/L; 0-200% saturation
Resolution   0.01 or 0.1mg/L; 0.1% saturation
Accuracy   ±1% of range
Pressure compensation   Since moving  automatically  
pH

 

 

 

 

 

 

Range 0-14 0-14 0-14
Resolution (optional) 0.1/0.01/0.001 0.1/0.01/0.001 0.1/0.01/0.001
Accuracy ±  0.002 ±  0.002 ±  0.002
Temperature compensation automatic automatic automatic
ORP

 

 

 

 

 

 

 

 

 

Range ± 1500mV ± 1500mV ± 1500mV
Resolution 0.1mV 0.1mV 0.1mV
Accuracy ± 0.1mV ± 0.1mV ± 0.1mV
Ion concentration (ISE)  

 

 

 

 

 

 

Range   Depends on ISE electrode
Resolution (optional)   0.1/0.01/0.001
Accuracy   ± 0.1mV
temperature

 

 

 

 

 

 

 

 

 

Range -10~+110℃ -10~+110℃ -10~+110℃
Resolution 0.1℃ 0.1℃ 0.1℃
Accuracy ± 0.3℃ ± 0.3℃ ± 0.3℃
Conductivity  

 

 

 

 

 

 

Range   0.01μS/cm-200mS/cm 0.01μS/cm-200mS/cm
Accuracy   0.5% (1μS/cm-200mS/cm) ± 0.5%(1μS/cm
-200mS/cm)
Temperature compensation   Non-linearity (natural water meets DIN 38404 and EN ISO 7888) Non-linearity (NaCI), linear correlation coefficient [value] %/℃ without compensation
Resistivity  

 

 

 

 

 

 

Range   2.5Ω·cm - 49MΩ·cm 2.5Ω·cm - 49MΩ·cm
Accuracy   ±  0.5% ± 0.5%

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