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Tianjin Top Instrument Co., Ltd. (Tianjin Optical Instrument Factory)

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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelRD-2
PricingUpon Request
Control ModeIntelligent Manual Operation
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BrandTopo/TP
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelHF-2
PriceUSD 195 (approx.)
Die Diameter13 mm
Demountable DesignYes
Maximum Pressure Tolerance15 tons
Required AccessoryHF-5 KBr Pellet Holder
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OriginTianjin, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China)
ModelRB-I
PricingAvailable Upon Request
Tube Height60 mm
Tube Inner Diameter52 mm
Timer Range10–120 min
Temperature Control Accuracy37.0 ± 0.5 °C
Mesh Disk Dimensions50 mm diameter, 39 apertures of 4 mm each
Flip Frequency1 cycle per 10 min
Test Stations3 independent tube–mesh assemblies
Beaker Capacity4 L
Power Rating1000 W
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BrandTop Instruments
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelsFWY-30X, FWY-40X, FWY-60X
Pressure Range0–30 t, 0–40 t, 0–60 t
Pressure Control ModeProgrammable Ramp–Hold–Auto-Depressurization
Hold Time Range0–9999999999999999999999999999999 s
QuotationAvailable upon Request
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BrandTop Instruments
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelFW-4 (New Generation)
PricingAvailable Upon Request
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BrandTopo (TP)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Model SeriesFW-30, FW-40, FW-60
Max Pressure30 ton / 40 ton / 60 ton
Piston DiameterΦ100 mm / Φ130 mm / Φ150 mm
Piston Stroke40 mm / 50 mm / 50 mm
Column Count4
Column Spacing92×160 mm / 106×185 mm / 185×250 mm
Dimensions (W×D×H)275×195×420 mm / 295×215×500 mm / 405×240×565 mm
Weight56 kg / 80 kg / 150 kg
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BrandTopo (TP)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Pressure Range0–20 ton / 0–30 ton / 0–40 ton
Piston Stroke Time0–999.59 s
Column Spacing140×155 mm / 140×160 mm / 175×180 mm
Dimensions (L×W×H)230×385×420 mm / 230×390×420 mm / 280×460×550 mm
Weight95 kg / 98 kg / 150 kg
DisplayLCD Control Panel
Operation CyclePressing–Holding–Depressurization
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OriginTianjin, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China)
ModelRC-8DS
PricingAvailable Upon Request
Stirring Speed Range20–200 rpm
Speed Accuracy±2 rpm
Temperature Control RangeAmbient to 39.9 °C
Temperature Accuracy±0.3 °C
Timer Range0–999 min (6 programmable time points)
Basket Wobble Tolerance±1 mm
Paddle Wobble Tolerance±0.5 mm
Power Supply220 V / 50 Hz / 1000 W
Dimensions (W×D×H)680 × 540 × 480 mm
Construction MaterialImported SUS316L stainless steel for baskets, paddles, and shafts
Fluid Circulation SystemMagnetic-drive water pump with uniform thermal distribution
Control ModeIntelligent microprocessor-based PID control for temperature, rotation speed, and timing
Automation FeaturesMotorized head lift/lower mechanism, auto-diagnostic self-check, real-time parameter display (set vs. actual), programmable multi-point timed sampling alerts, USP-compliant dissolution method storage
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OriginTianjin, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China-made)
ModelRC-6
PriceUSD 2,400 (FOB Tianjin)
Speed Range20–200 rpm
Speed Accuracy±2 rpm
Temperature Control RangeAmbient to 39.9°C
Temperature Accuracy±0.3°C
Timer Range0–999 minutes per station (6 stations)
Basket Wobble≤1 mm
Paddle Shaft Wobble≤0.05 mm
Power Supply220 V AC, 50 Hz, 1000 W
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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelYD-1
PricingAvailable Upon Request
Hardness Range0.01–20 kgf
Accuracy±5% or ±0.05 kgf (whichever is greater)
Probe Stroke20 mm
Stroke Tolerance±0.1 mm
Continuous Operation Time>24 h
Power Supply220 V / 50 Hz / 10 W
Dimensions (L×W×H)280 × 180 × 110 mm
Weight5 kg
Operating Temperature+18 °C to +28 °C
Storage Temperature−10 °C to +50 °C
Relative Humidity20–80 % RH
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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Product OriginDomestic (China)
ModelRC-8
Instrument TypeOnline Dissolution Tester
Number of Vessels8
Temperature Range20–39.9 °C
Temperature Accuracy±0.2 °C
Rotational Speed Range20–200 rpm
Water Bath Volume17.5 L
Speed Control Accuracy±2 rpm
Vessel Positioning6-position front row (active dissolution), 2-position rear row (auxiliary/replenishment vessels)
Basket Wobble Tolerance±1 mm
Paddle Shaft Wobble Tolerance±0.5 mm
Timing Range0–999 min (6 programmable time points)
Power Supply220 V / 50 Hz / 1000 W
Dimensions (W×D×H)960 × 320 × 480 mm
Construction MaterialSUS316L stainless steel (basket, paddle shafts, vessel holders)
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BrandTopo (TP)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelCS-1
Power Supply220 V, 50 Hz, 50 W
Drum Internal DimensionsØ286 mm × Depth 39 mm
Drop Height156 mm
Rotational Speed Range20–90 rpm
Speed Accuracy±1 rpm
Rotation Count Range10–240 revolutions
ComplianceMeets or exceeds national metrological verification requirements for pharmaceutical friability testing instruments
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BrandTopo
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
ModelRC-6D
Instrument TypeOnline Dissolution Tester
Number of Vessels6
Temperature Range20–39.9 °C
Temperature Accuracy±0.2 °C
Rotation Speed Range20–200 rpm
Water Bath Volume17.5 L
Speed Control Accuracy±2 rpm
Vessel Positioning Tolerance (Basket Wobble)±1 mm
Paddle Shaft Wobble±0.5 mm
Timer Range0–999 min (6 programmable time points)
Power Supply220 V / 50 Hz / 1000 W
Dimensions (W×D×H)960 × 400 × 480 mm
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BrandTopo
ModelFW-1
TypeBenchtop Heated Hydraulic Pellet Press
OriginTianjin, China
Power SupplyAC 220 V, 50 Hz
Temperature RangeAmbient to 300 °C
Temperature Control Accuracy±3% of setpoint
Setpoint Resolution±5%
Heating Linearity±4%
Standard Die SetInternal Diameter Ø15 mm
Thickness Options0.1 mm, 0.05 mm, 0.025 mm
Dimensions (W×D×H)183 mm × 115 mm × 114 mm
Weight<5 kg
ComplianceDesigned for ISO/IEC 17025-compliant sample preparation workflows
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BrandTopo
ModelRC-6
OriginTianjin, China
ManufacturerTopo Instrument Co., Ltd.
TypeOnline Dissolution Testing System
Number of Vessels6
Temperature Range20–39.9 °C
Temperature Accuracy±0.2 °C
Rotation Speed Range20–200 rpm
Speed Accuracy±2 rpm
Bath Volume17.5 L
Vessel PositioningLinear single-row arrangement
Drive MechanismMagnetic-coupled peristaltic circulation pump
MaterialSUS316L stainless steel (paddles, baskets, shafts)
Power Supply220 V / 50 Hz / 1000 W
Dimensions (W×D×H)960 × 320 × 480 mm
Timing Range0–999 min (6 programmable time points)
Basket Wobble Tolerance±1 mm
Paddle Centering Tolerance±0.5 mm
ComplianceChinese Pharmacopoeia (ChP) 2000 Edition, ZBC95001–89 National Professional Standard
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BrandTop Instruments (TP)
OriginTianjin, China
Manufacturer TypeOEM Manufacturer
Origin CategoryDomestic (China)
ModelFW-2
PricingUpon Request
Pressure Range0–20 kN
Die Cavity DiameterΦ7 mm
Cavity Depth5 mm
Punch MaterialTungsten Carbide
Punch HardnessHRC > 65
Die MaterialAISI 304 Stainless Steel
Piston DiameterΦ28 mm
Piston Stroke5 mm
Column Count2
Column Spacing54 × 55 mm
Overall Dimensions (Press-Compatible Assembly)100 × 220 × 220 mm
Compact Die Unit Dimensions76 × 30 × 70 mm
Total Weight (Press + Die)4.8 kg
Die Set Weight0.35 kg
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BrandTopo (TP)
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
RegionDomestic (China)
ModelHF-2B
Max. Applied Pressure15 t
Die Cavity DiameterΦ13 mm
Punch DimensionsΦ13 × 7 mm
IncludesIntegrated Tablet Holder (1 pc)
CompatibilityFW-4A & FW-5 Hydraulic Presses
ApplicationFTIR Solid Sample Preparation
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BrandTopo
ModelFW-4A
TypeManual Hydraulic Pellet Press
Max. Pressure24 Ton (235 kN)
Piston Diameter86 mm
Piston Stroke20 mm
Column ConfigurationDual Side-mounted Columns
Column Spacing (W × D)110 × 140 mm
Dimensions (W × D × H)470 × 380 × 200 mm
Net Weight49 kg
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BrandTopo
ModelBJ-1
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
Power Supply220 V / 50 Hz / 500 W
Bath Temperature Control37 °C ± 1 °C
Basket Stroke Frequency32 cycles/min
Heating MethodBottom-mounted water bath
DisplayLED digital display
Control SystemMicrocontroller-based intelligent control with real-time clock and audible/visual alarm
Cabinet DesignCompact, integrated housing with ergonomic front panel (PC membrane keypad)
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BrandTopo (TP)
OriginTianjin, China
Manufacturer TypeOEM/ODM Manufacturer
Region of ManufactureDomestic (China)
ModelFW-2N, FWZD-2N
PricingAvailable Upon Request
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OriginTianjin, China
Manufacturer TypeAuthorized Distributor
Origin CategoryDomestic (China)
ModelRC-8D
PricingAvailable Upon Request
Speed Range20–200 rpm
Speed Accuracy±2 rpm
Temperature Control RangeAmbient to 39.9 °C
Temperature Accuracy±0.3 °C
Timing Range0–999 min (6 programmable time points)
Basket Wobble Tolerance±1 mm
Paddle Shaft Runout±0.5 mm
Power Supply220 V / 50 Hz / 1000 W
Dimensions (W×D×H)960 × 520 × 480 mm
Construction MaterialsSUS316L stainless steel (baskets, paddles, shafts), magnetically driven recirculating water bath system
Automation FeaturesMotorized head lift, dual-zone cup configuration (6 test cups + 2 auxiliary reservoir cups), real-time parameter display, stored USP/ChP dissolution methods, auto-diagnostic alerts, programmable multi-stage timing with audible notification
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BrandTopo
ModelBJ-2
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Product OriginDomestic (China)
Power Supply220 V / 50 Hz / 500 W
Bath Temperature Control37 °C ± 1 °C
Basket Stroke Frequency32 cycles/min
ComplianceChinese Pharmacopoeia 2000 Edition
DisplayLED digital display
InterfacePC membrane touch keypad
Heating MethodBottom-mounted water bath
Basket DriveDual independent motors
Built-in illuminationYes
Cabinet DesignCompact, integrated, and ergonomic
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BrandTopo
ModelFW-5
OriginTianjin, China
Manufacturer TypeDirect Manufacturer
Pressure Range0–15 Ton (0–133.4 kN)
Piston DiameterØ70 mm
Piston Stroke30 mm
Column Count2
Column Spacing96 × 130 mm
Dimensions (W×D×H)225 × 155 × 380 mm
Weight28 kg
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BrandTopo
ModelCS-3
Rotation Speed25 rpm ±1 rpm
Timer Range0–9 h 59 min 59 s (forward/reverse)
Counter Range0–99,999 cycles (forward/reverse)
Drum DimensionsInternal Diameter ≈ 286 mm, Depth 39 mm
Power Supply220 V ±10%, 50 Hz
Operating Temperature5–35 °C
Relative Humidity<80% RH
Power Consumption18 W
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