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Beijing Shangdetong Technology Co., Ltd.

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OriginBeijing, China
Manufacturer TypeDistributor
Origin CategoryDomestic (China)
ModelJS94H2M Zeta
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Range0–14
Operating Temperature Range5–35 °C
pH Resolution0.1
Temperature Resolution0.1 °C
Accuracy≤5%
Repeatability≤5%
Particle Size Compatibility0.5–20 µm
Solvent CompatibilityAqueous and non-aqueous dispersions
Optical SystemSemiconductor-based blue/green LED illumination (low-power, <100 µW), 1200× digital magnification
Electrophoretic CellIntegrated Ag/Pt/Ti electrodes in 0.5 cm-thick borosilicate glass cuvette
Voltage ControlAdjustable DC bias with polarity reversal (0.30–1.20 s interval)
Data AcquisitionReal-time temperature compensation
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OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China)
ModelJS94HM
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Range2.0–12.0 (extended operation up to 1.6–13.0)
Operating Temperature5–35 °C
pH Resolution0.1
Temperature Resolution0.1 °C
Accuracy≤5% (system error)
Repeatability≤5%
Particle Size Applicability0.5–20 µm (aqueous dispersions)
Sample Volume per Measurement0.5 mL
Optical SystemSemiconductor-based near-field illumination (blue/green wavelength), 1200× magnification
Voltage ControlAdjustable DC/low-frequency AC, polarity reversal time: 0.30–1.20 s (continuously tunable)
Data AcquisitionDual-directional grayscale image capture, real-time thermal compensation via integrated Pt100 probe
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OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China-made)
ModelJS94K2M
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Operating Range2.0–12.0 (extended range 1.6–13.0, resolution 0.1)
Temperature Operating Range5–35 °C (resolution 0.1 °C)
Accuracy≤5%
Repeatability≤5%
Sample Volume per Measurement0.5 mL
Optical MagnificationUp to 1200×
Particle Size Range0.2–50 µm (aqueous & non-aqueous dispersions)
Voltage Polarity Switching TimeAdjustable from 0.30–1.20 s
Power Supply220 V, 50 Hz, 150 W
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OriginBeijing, China
Manufacturer TypeDistributor
Origin CategoryDomestic
ModelJS94J2M
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Range2.0–12.0 (extended operation up to 1.6–13.0)
Operating Temperature5–35 °C
pH Resolution0.1
Temperature Resolution0.1 °C
Accuracy≤5%
Repeatability≤5%
Particle Size Range0.1–10 µm
Solvent CompatibilityAqueous and non-aqueous dispersions
Optical SystemSemiconductor-based blue/green LED illumination (low-power, <100 µW), 1200× digital magnification
Electrophoretic CellIntegrated Ag/Pt/Ti electrodes in 0.5 cm-thick borosilicate glass cuvette
Voltage ControlAdjustable DC/low-frequency AC bias, polarity reversal time: 0.30–1.20 s adjustable
Sampling Time3–10 s per measurement
Data AcquisitionDual-directional grayscale image capture (4 frames), real-time temperature compensation
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OriginBeijing, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China)
ModelJS94JM
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Operating Range2.0–12.0 (extended range: 1.6–13.0, resolution: 0.1)
Temperature Operating Range5–35 °C (resolution: 0.1 °C)
Accuracy≤5%
Repeatability≤5%
Particle Size Applicability0.1–10 µm (aqueous dispersions)
Sample Volume per Measurement0.5 mL
Optical SystemSemiconductor-based near-field illumination (blue/green wavelengths), magnification ≥1200×
Voltage Polarity Switching Time0.30–1.20 s (adjustable)
Sampling Duration3–10 s
Power Supply220 V AC, 50 Hz, 150 W
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OriginBeijing, China
Manufacturer TypeDistributor
Origin CategoryDomestic
ModelJS94KM
Price RangeUSD 7,000–14,000
Zeta Potential Range±3000 mV
pH Range2.0–12.0 (extended range: 1.6–13.0)
Operating Temperature5–35 °C
pH Resolution0.1
Temperature Resolution0.1 °C
Accuracy≤5%
Repeatability≤5%
Particle Size Range0.2–50 µm (aqueous dispersions)
Optical MagnificationUp to 1200×
Voltage Polarity Switching Time0.30–1.20 s (adjustable)
Sampling Time3–10 s
Power Supply220 V, 50 Hz
Power Consumption150 W
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