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Shanghai Chu Bai Laboratory Equipment Co., Ltd.

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BrandAqualab
OriginUSA
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelPawkit
Price RangeUSD 1,400–7,000 (est.)
Sensor TypeCapacitive Hygrometric Sensor
Accuracy±0.02 aw
Resolution±0.01 aw
Measurement Range0.00–1.00 aw
Repeatability±0.01 aw (typical, per AOAC 978.17)
Sample Cup Volume7 mL (max. 15 mL)
Measurement Time< 5 min
Display6-digit custom LCD (3-digit aw + 3-digit °C)
Dimensions6.6 × 10.7 × 2.0 cm
Weight115 g
Power SupplyTwo 3 V CR2032 lithium coin cells (3-year typical service life)
Operating Environment4–60 °C
CertificationsCE Marked
Warranty1 year parts & labor (extendable)
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BrandAqualab
OriginUSA
Model4TE DUO
Sensor TypeMirror Condensation Dew Point Sensor
Accuracy (aw)±0.003 aw
Resolution (aw)±0.0001 aw
Measurement Range (aw)0.1000–0.9500 aw
Repeatability (aw)±0.001 aw
Moisture Content Resolution±0.01%
Moisture Content Repeatability±0.02%
Temperature Control Range15–50 °C
Temperature Accuracy±0.2 °C
Temperature Resolution0.01 °C
Sample Volume7 mL (max 15 mL)
Measurement Time<5 min (avg. 2.5 min)
Data Storage Capacity8,000 readings
Display128×64 pixel backlit LCD
InterfaceRS-232, USB
Dimensions26.7 × 17.8 × 12.7 cm
Weight3.18 kg
Power110–220 VAC, 50/60 Hz, <0.4 A
Operating Environment4–60 °C, 0–90% RH (non-condensing)
CertificationsCE
Warranty1 year (parts & labor)
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BrandAqualab / METER Group
OriginUSA
ModelAquaLab Pre
Sensor TypeMirror Condensation Dew Point (Standard), Capacitance (Optional)
Accuracy±0.01 aw (Dew Point), ±0.015 aw (Capacitance)
Resolution0.001 aw
Measurement Range0.05–1.000 aw
Repeatability≤ ±0.002 aw
Temperature ControlFixed at 25.0 °C (±0.2 °C stability)
Temp. Resolution0.1 °C
Sample Volume7 mL recommended (max 15 mL)
Measurement Time< 5 minutes
Display20-character alphanumeric backlit LCD
InterfaceRS-232, USB
Dimensions24.1 × 22.9 × 8.9 cm
Weight3.2 kg
Power110–220 VAC, 50/60 Hz, < 0.4 A
Operating Environment4–60 °C, 0–90% RH (non-condensing)
CertificationsCE, AOAC Official Method 978.18
Warranty1 year parts and labor
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BrandAqualab
OriginUSA
ModelAqualab 4TE
Sensor PrincipleMirror Condensation Dew Point
Accuracy±0.003 aw
Resolution0.0001 aw
Measurement Range0.030–1.000 aw
Repeatability±0.001 aw
Temperature Control Range15–50 °C
Temperature Accuracy±0.2 °C
Temperature Resolution0.01 °C
Sample Volume7 mL (max 15 mL)
Measurement Time<5 min (avg. 2.5 min)
Data Storage Capacity8,000 secure readings with timestamp, user ID, and calibration logs
User AccountsUp to 25 configurable usernames/passwords
InterfaceRS-232, USB
Display128×64-pixel backlit LCD
Dimensions26.7 × 17.8 × 12.7 cm
Weight3.18 kg
Power110–220 V AC, 50/60 Hz, <0.4 A
Operating Environment4–60 °C, 0–90% RH (non-condensing)
CertificationsCE, AOAC Official Method 975.13, FDA 21 CFR Part 11 compliant (audit trail, electronic signature support)
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BrandAqualab
OriginUSA
Manufacturer TypeAuthorized Distributor
Product CategoryImported Instrument
ModelAquaLab VSA
Price RangeUSD 25,000 – 62,500 (converted at ~¥200,000–¥500,000)
Measurement PrincipleMirror Condensation Dew Point
Isotherm MethodsDynamic Dew-point Isotherm (DDI) & Dynamic Vapor Sorption (DVS)
Accuracy±0.005 aw
Resolution±0.001 aw
aw Range0.030–0.950
Repeatability±0.003 aw
Temperature Control10–60 °C (STP adjustable)
Temp Stability±0.1 °C
Max Operating Pressure≤7 psi
Sample Mass Range500–5000 mg
Mass Resolution±0.1 mg
Sample Cup Volume7.5 mL (recommended), up to 15 mL
Water Reservoir Volume7 mL (max 15 mL)
Display128×64-pixel backlit LCD
Dimensions25.4×38.1×30.5 cm
EnclosureMachined aluminum frame with flame-retardant silicone resin
Weight14.97 kg
Power110–220 V AC, 50/60 Hz
Operating Environment4–60 °C, 10–90% RH (non-condensing)
CertificationsCE
Warranty1 year (parts & labor)
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