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HQD HQ440D (PHC281 + CDC401) is available from LABERA.UZ for laboratory, testing, medical and industrial applications in Uzbekistan.
Contact LABERA.UZ for specifications, pricing, lead time and a commercial quotation.
| Technical Specifications | |
| Weight: | 750g (no batteries), 850g (with batteries) |
| Autonomous lifetime | — |
| Time of analysis/measurement | Instant display of readings in real time |
| Dimensions: | 859×175×235 mm |
| Range of measurement/analysis | pH: 0–14 pH; mV: −1500...1500 mV; Conductivity: 0.01 μS/cm...200.0 mS/cm; TDS: 0.00 mg/L...50.0 g/L; Salinity: 0–42 ppt; Resistivity: 2.5 Ω·cm...49 MΩ·cm; DO: 0.1–20.0 mg/L, 1–200% saturation; Temperature: −10... +110 °C |
| Temperature measurement range | −10…+110 °C |
| Concentration range of defined substances | Depends on the ion-selective electrode used (ammonium, chloride, fluoride, nitrate, sodium, etc.) |
| Additional functions | Printer connectivity, automatic data transfer to PC or USB, custom buffer sets, warnings and calibration reminders |
| Measured/controlled parameters | pH, ORP (mV), conductivity, total salt content (TDS), salinity, resistivity, dissolved oxygen (DO), oxygen saturation, BOD, ion-selective measurements (ammonium, ammonia, chloride, fluoride, nitrate, sodium), temperature |
| Interfaces and exits: | USB Type A and Type B for PC, Printer, Keyboard, Flash Drive |
| Light source/detector type | — |
| Sizing | pH: 1–3 points; DO: 0–100% or mg/L with 0-point; ISE: 2–5 points; ORP: according to ORP standards |
| Body protection class (IP) | IP54 |
| Number of measurement channels | 2 channels (Multi/2 Channels) |
| Completement | HQ440D, PHC281 electrode, CDC401 cell, pH 4.01/7.00/10.01 buffer solutions, electrode storage solution, NaCl standard, electrode support, power adapter, USB cables, user manual |
| Material of the housing / working part | Body with IP54 protection (resistant to water spray, dust protection) |
| Method of analysis / principle of work | Electrochemical methods using interchangeable electrodes and sensors specific to each parameter |
| Availability of automatic mode / programmable cycles | Autostabilization (press to read), automatic data storage, choice of measurement interval |
| Availability of memory / data storage | 500 records / FIFO, automatic saving with calibration data |
| Sample volume/sample volume range | — |
| Nutrition | 4×AA batteries, AC 100–240V power adapter |
| Accuracy/accuracy of measurement/analysis | pH: ±0.002 pH; mV: ±0.1 mV; Conductivity: ±0.5% FS; DO: ±0.1 mg/L; Salinity: ±0.1% |
| Software/PC Compatibility: | HQD Series Meter Data Transfer Utility |
| Certificates and compliance with standards | CE, WEEE |
| Country of production: | USA |
| Temperature compensation | Automatic compensation for pH, conductivity, DO (barometric) |
| Type of display/indication | Graphic LCD display 440×160 pixels. with backlit |
| Type of cuvette / electrode / sensor | pH: PHC281; Conductivity/TDS/Salinity: CDC401; DO: LDO or LBOD sensors; ISE: appropriate sensor |
| Operating conditions (temperature, humidity) | 0...+60 °C, humidity up to 90% (no condensation) |