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Shanghai Renhe Scientific Instrument Co., Ltd.

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BrandShanghai Yiheng
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic (China-Made)
Model SeriesGRX Series
Instrument TypeHigh-Temperature Forced-Air Oven
Temperature RangeRT+10°C to 200°C / RT+10°C to 250°C
Temperature Uniformity±1°C
Heating MethodForced Convection with Adjustable Fan Speed
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BrandThermo Fisher Scientific
OriginUSA
ModelOGS180
Instrument TypePrecision General-Purpose Oven
Temperature Range50–250 °C
Temperature Uniformity (at 150 °C)±4 °C
Temperature Stability (at 150 °C)±0.4 °C
Chamber Dimensions (W×H×D)438×680×589 mm
External Dimensions (W×H×D)640×920×738 mm
Chamber Volume176 L
Chamber MaterialStainless Steel 1.4016 (EN 10088-1)
Heating MethodNatural Convection
Floor Area0.47 m²
Standard Shelves2 (max. 19)
Max. Shelf Load25 kg
Power Supply230 V / 50 Hz
Rated Power3100 W (13.5 A)
Net Weight66 kg
InterfaceRS232 serial port
DisplayVacuum Fluorescent Display (VFD)
Timer FunctionOn/Off programmable
Door Opening Angle180°
Over-Temperature ProtectionAutomatic cut-off with audible alarm
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BrandNabertherm
OriginGermany
ModelTR1050
Instrument TypeGeneral-Purpose Forced-Air Drying Oven
Temperature Range+5 °C to 300 °C
Temperature Uniformity±1 °C (at 100 °C, load-free, per DIN 12880)
External Dimensions (W×D×H)1470 × 940 × 1920 mm
Internal Chamber Dimensions (W×D×H)1200 × 670 × 1400 mm
Internal Volume1050 L
Chamber MaterialAISI 304 Stainless Steel (1.4301)
Heating MethodHorizontal Forced-Air Circulation via Adjustable-Speed Fan
Power Supply3-Phase, 9 kW
Net Weight450 kg
Standard Shelf Quantity4 Perforated Wire Shelves
Max. Load Capacity250 kg total (≤30 kg per shelf)
ComplianceEN 1539, EN 60519-2 Class 2 Thermal Protection, DIN 12880
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BrandYi Heng (Shanghai Yi Heng)
OriginShanghai, China
ModelPH Series
Instrument TypePrecision Forced-Air Oven
Temperature RangeRT+5–80 °C (Incubation Mode)
Temperature Uniformity±3% at 100 °C
Temperature Fluctuation±0.5 °C (Incubation)
Temperature Resolution0.1 °C
Heating MethodForced-air convection
Power Input650–2450 W (model-dependent)
Working Environment+5 to +35 °C
Timer Range0–5999 min
Standard Shelving2 adjustable stainless-steel shelves
Interior MaterialMirror-finish stainless steel
Door SealSilicone rubber gasket with double-layer tempered glass viewport
Safety InterlockAutomatic heating and fan shutoff upon door opening
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BrandShanghai Yiheng
OriginShanghai, China
ModelDHG Series
Oven TypeNatural Convection Hot Air Drying Oven
Temperature RangeRT+10°C to 200°C
Temperature Uniformity±0.5°C
Temperature Resolution0.1°C
Interior MaterialStainless Steel (304)
Heating MethodGravity Convection
Power Input850–2200 W (model-dependent)
Chamber Volume27–220 L
ComplianceDesigned for GLP-compliant laboratories
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BrandShanghai Yiheng
OriginShanghai, China
ModelDHG-9003 (Drying Oven Series)
Temperature RangeRT+10°C to 200°C / RT+10°C to 250°C (customizable)
Temperature Uniformity±3% at 100°C
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Heating MethodForced-air convection
Power SupplyAC 220 V, 50 Hz
Timer Range0–9999 min
Interior Dimensions (W×D×H)250 × 260 × 250 mm
Exterior Dimensions (W×D×H)530 × 370 × 420 mm
Shelving2 stainless steel shelves
ConstructionMirror-finish 304 stainless steel interior
SealingHigh-temperature silicone gasket
OptionalRS485 interface, thermal printer output, independent over-temperature cutoff
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BrandThermo Fisher Scientific
OriginUSA
ModelOGH180-S
Instrument TypePrecision Drying Oven
Temperature Range50–330 °C
Temperature Uniformity (at 150 °C)±2.9 °C
Temperature Accuracy (at 150 °C)±0.3 °C
Chamber Volume168 L
Internal Dimensions (W×H×D)438 × 680 × 564 mm
External Dimensions (W×H×D)640 × 920 × 738 mm
Chamber MaterialStainless Steel 1.4016 (AISI 430)
Heating MethodNatural Convection
Standard Shelves2 (max. 19)
Max. Load per Shelf25 kg
Rated Voltage/Frequency230 V / 50 Hz
Power Rating3100 W
Weight69 kg
Footprint Area0.47 m²
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BrandMEMMERT
OriginGermany
ModelVO400
Instrument TypeVacuum Oven
Temperature Range+20 to +200 °C
Internal Chamber Dimensions (W×H×D)385 × 385 × 330 mm
External Dimensions (W×H×D)710 × 760 × 550 mm
Chamber MaterialElectropolished Stainless Steel 1.4404 (ASTM 316L)
Heating MethodInternal Radiant Plate Heating with Forced Convection
Vacuum Control Range5–1100 mbar (digital electromagnetic valve control)
Max. Shelf Capacity4 adjustable shelves (75 mm spacing)
Load per Shelf20 kg
Total Load Capacity60 kg
Temperature Uniformity at 160 °C / 50 mbar≤ ±5 K (surface)
Temperature Stability (DIN 12880)≤ ±0.3 K
Sensor SystemIndividual Pt100 Class A (4-wire) per shelf, integrated MLC (Multi-Level Control) architecture
Safety FeaturesDual independent overtemperature protection (electronic ASF + mechanical TB), door-interlocked rapid venting, leak rate ≤ 0.01 bar/h, residual vacuum ≤ 0.01 mbar
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BrandThermo Fisher Scientific
OriginUSA
ModelOGS60
Instrument TypePrecision Drying Oven
Temperature Range50–250 °C
Temperature Uniformity (at 150 °C)±4 °C
Temperature Stability (at 150 °C)±0.4 °C
Chamber Dimensions (W×H×D)328×480×415 mm
External Dimensions (W×H×D)530×720×565 mm
Chamber Volume65 L
Chamber MaterialStainless Steel 1.4016 (EN 10088-1)
Heating MethodNatural Convection
Shelf Capacity2 standard / up to 13 shelves
Max. Load per Shelf25 kg
Power Supply230 V / 50 Hz
Rated Power1800 W
Weight42 kg
InterfaceRS232 standard
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BrandNabertherm
OriginGermany
ModelTR60
Instrument TypeGeneral-Purpose Forced-Air Drying Oven
Temperature Range+5 °C to 300 °C
Temperature Uniformity±1 °C (at setpoint, steady state)
External Dimensions (W×D×H)700 × 610 × 710 mm
Internal Chamber Dimensions (W×D×H)450 × 390 × 350 mm
Chamber Volume60 L
Chamber MaterialAISI 304 Stainless Steel (DIN 1.4301)
Heating MethodHorizontal Forced-Air Circulation via Adjustable-Speed Fan
Power Supply1-phase, 3 kW
Net Weight90 kg
Max. Load Capacity120 kg (30 kg per shelf)
Standard Shelving1 removable perforated grid shelf (up to 4 optional)
Safety ComplianceEN 60519-2 (Class 2 overtemperature protection), EN 1539 (solvent-safe construction), CE-marked
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BrandShanghai Yi Heng
OriginShanghai, China
ModelDZF-6090
Instrument TypeVacuum Oven
Temperature RangeRT+10°C to 250°C
Temperature Uniformity±1°C
Internal Chamber Dimensions450 × 450 × 450 mm
External Dimensions610 × 680 × 1460 mm
Chamber MaterialStainless Steel (304)
Heating MethodElectric Resistive Heating
Power Input1150 W
Standard ConfigurationIncludes Vacuum Pump and Desiccator Chamber
Shelf Quantity2 pcs (independently configurable)
DoorDouble-Layer Tempered Glass with Silicone Gasket Seal
ComplianceDesigned for GLP-compliant laboratories
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BrandShanghai Yiheng
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelDHG-9000 Series
Temperature RangeRT+10°C to 200°C / RT+10°C to 250°C
Temperature Uniformity±3% (at 100°C)
Temperature Fluctuation±1.0°C
Temperature Resolution0.1°C
Heating MethodForced-air convection
Inner Chamber MaterialMirror-finish stainless steel (grade 304)
Power SupplyAC 220 V / 380 V, 50 Hz
Chamber Volume30 L to 1000 L (model-dependent)
Standard Shelving2–4 adjustable stainless steel trays
Timer Range0–9999 minutes
Operating Ambient+5°C to +40°C, ≤50% RH (non-condensing)
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BrandMEMMERT
OriginGermany
ModelVO500
Instrument TypeVacuum Oven
Temperature RangeAmbient + 5 °C to 200 °C
Temperature Uniformity (at 160 °C / 50 mbar)≤ ±5 °C (surface)
Temperature Stability±0.3 °C
Chamber Dimensions (W×H×D)545 × 465 × 400 mm
External Dimensions (W×H×D)710 × 760 × 550 mm
Chamber Volume~101 L
Interior MaterialElectropolished Stainless Steel 1.4404 (ASTM 316L)
Exterior MaterialTextured Stainless Steel with Galvanized Steel Back Panel
Heating MethodInternal Multi-Level Control (MLC) with Direct-Attached PTC Heating Elements on Perforated Stainless Steel Shelves
Shelf ConfigurationUp to 4 Adjustable Shelves (95 mm spacing), Load Capacity: 20 kg/shelf (60 kg total)
Vacuum ControlDigital Electromagnetic Valve, Adjustable Range: 5–1100 mbar (displayed), Programmable Setpoint from 10–1100 mbar
Pressure Accuracy±5 mbar
Gas Inlets2 Independently Controlled (Air & Optional Process Gas), Tubing Material: 1.4571 (ASTM 316Ti)
Safety SystemsDual Pt100 Class A Sensors per Shelf (4-wire), MLOP Multi-Level Overheat Protection, Mechanical Temperature Limiter (TB), Microprocessor-Based Thermal Monitoring with ASF (Automatic Setpoint Linking), Audible/Visual Alarms, Door-Interlocked Rapid Venting, Leak Rate ≤ 0.01 bar/h, Final Vacuum ≤ 0.01 mbar
Programming40 Programmable Temperature–Vacuum Profiles, Each with Up to 99 Segments
ComplianceDesigned and tested per DIN 12880, EN 61000-6-3, EN 61000-6-4, IEC 61010-1, and compatible with GLP/GMP documentation requirements including audit-trail-capable operation when used with MEMControl software
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BrandShanghai Yiheng
OriginShanghai, China
ModelDZF-6030A
TypeVacuum Oven
Temperature RangeRT+10°C to 200°C
Temperature Uniformity±1°C
Temperature Resolution0.1°C
Achievable Vacuum Level133 Pa
Interior Dimensions320 × 320 × 300 mm
Exterior Dimensions630 × 510 × 490 mm
Interior MaterialStainless Steel
Heating Power400 W
Shelf Capacity1 adjustable stainless steel shelf
DoorDouble-layer tempered glass with silicone gasket seal
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BrandMEMMERT
OriginGermany
ModelVO200
Instrument TypeVacuum Oven
Temperature Range+20 °C to +200 °C
Temperature Uniformity (at 160 °C / 50 mbar)≤ ±5 °C (on shelf surface)
Temperature Stability±0.3 °C (per DIN 12880)
Chamber Volume~29 L
Internal Dimensions (W×H×D)385 × 305 × 205 mm
External Dimensions (W×H×D)550 × 600 × 400 mm
Shelf CapacityUp to 3 stainless steel shelves
Shelf Spacing75 mm
Max Load per Shelf20 kg
Max Total Load40 kg
Chamber MaterialElectropolished AISI 316L stainless steel (EN 1.4404 / ASTM A240)
Outer CasingTextured stainless steel with galvanized steel rear panel
Heating SystemDirect-backplate MLC (Multi-Level Control) resistive heating elements integrated into each shelf
Temperature SensingPt100 Class A, 4-wire, per-shelf independent probes
Vacuum ControlDigital electromagnetic valve with programmable setpoint range 5–1100 mbar (display resolution 1 mbar)
Gas InletsTwo digitally controlled, programmable inlets (air + optional process gas)
Pressure RegulationClosed-loop digital pressure control with real-time feedback
Safety SystemsDual independent overtemperature protection (MLOP + mechanical TB), ASF (Automatic Setpoint Linking), microprocessor-based fault diagnostics with audible/visual alarms
ProgrammingUp to 40 temperature–vacuum profiles
ComplianceDesigned and manufactured in accordance with EN 61010-1, EN 61000-6-3, EN 61000-6-4, and meets essential requirements of EU Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU
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BrandNabertherm
OriginGermany
ModelTR450
Temperature Range+5 to 300 °C
Temperature Uniformity±1 °C (at 100 °C, per DIN 12880)
Interior Dimensions (W×D×H)750 × 550 × 1100 mm
Interior Volume450 L
Exterior Dimensions (W×D×H)1000 × 780 × 1470 mm
Chamber MaterialAISI 304 stainless steel (1.4301)
Heating MethodHorizontal forced-air circulation via adjustable-speed centrifugal fan
Power Supply3-phase, 6 kW
Net Weight235 kg
Standard Shelving3 removable perforated grid plates (max. 15 optional)
Max. Load Capacity180 kg total (30 kg per shelf)
Safety ComplianceEN 60519-2 (Class 2 overtemperature protection), EN 1539 (solvent-safe design), AMS 2750E readiness, FDA 21 CFR Part 11–compatible VCD software option
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BrandNabertherm
OriginGermany
ModelTR120
Temperature Range+5 to 300 °C
Temperature Uniformity±1 °C (at 100 °C, load-free)
Interior Dimensions (W×D×H)650 × 390 × 500 mm
Interior Volume120 L
Exterior Dimensions (W×D×H)900 × 610 × 860 mm
Chamber MaterialAISI 304 stainless steel (1.4301)
Heating MethodHorizontal forced-air convection
Airflow ControlContinuously adjustable fan speed
Power Supply1-phase, 3 kW
Net Weight120 kg
Max. Load Capacity150 kg (30 kg per shelf)
Standard Shelving2 removable grid shelves (up to 7 optional)
Safety ComplianceEN 60519-2 (Class 2 overtemperature protection), EN 1539 (solvent-safe design), AMS 2750E-ready, FDA-compliant process recording with VCD software
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BrandYi Heng (Shanghai Yi Heng)
OriginShanghai, China
ModelDZF-6050
Instrument TypeVacuum Oven
Temperature RangeRT+10°C to 200°C
Temperature Resolution0.1°C
Temperature Uniformity±1°C
Ultimate Vacuum133 Pa
Interior Dimensions415 × 370 × 345 mm
Exterior Dimensions730 × 560 × 550 mm
Interior MaterialStainless Steel
Heating MethodElectric Resistance Heating
Power Input1400 W
Shelf Quantity2 pcs
DoorDouble-Layer Tempered Glass with Silicone Sealing Gasket
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BrandShanghai Yiheng
OriginShanghai, China
ModelDZF-6030B
Temperature RangeRT+10 to 65 °C
Temperature Uniformity±1 °C
Temperature Resolution0.1 °C
Ultimate Vacuum133 Pa
Interior Dimensions320 × 320 × 300 mm (W×D×H)
Exterior Dimensions610 × 510 × 490 mm (W×D×H)
Chamber MaterialStainless Steel (AISI 304)
Heating MethodElectric Resistive Heating
Power Consumption250 W
Standard Shelf1 pc
Door TypeDouble-Layer Tempered Glass with Silicone Gasket
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BrandNabertherm
OriginGermany
ModelTR240
Instrument TypeGeneral-Purpose Forced-Air Drying Oven
Temperature Range+5 °C to 300 °C
Temperature Uniformity±1 °C (at 100 °C, steady state)
Internal Dimensions (W×D×H)750 × 550 × 600 mm
Internal Volume240 L
External Dimensions (W×D×H)1000 × 780 × 970 mm
Chamber MaterialAISI 304 Stainless Steel (DIN 1.4301)
Heating MethodHorizontal Forced-Air Circulation
Airflow ControlContinuously Variable-Speed Fan
Power Supply1-phase, 3 kW
Net Weight165 kg
Standard Shelving2 removable perforated stainless-steel grid plates
Max. Load Capacity150 kg total (30 kg per shelf)
Safety ComplianceEN 60519-2 (Overtemperature Protection Class 2), EN 1539 (Solvent-Safe Design)
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BrandShanghai Yiheng
OriginShanghai, China
Model SeriesBPG (Precision Drying Oven)
Temperature RangeRT+10°C to 200°C (optional up to 250°C)
Temperature Uniformity±2.5% (BPG-A series) / ±1.5% (BPG-B series) at 100°C
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Heating MethodForced-air convection
Interior MaterialMirror-finish stainless steel
Programmable Stages7 programs × 9 steps (63 total steps), 0–5999 min per step
Safety FeaturesIndependent over-temperature protection with audible/visual alarm
Power Input750–2000 W (model-dependent)
Interior Volume50–220 L
External Interface OptionsRS-485, USB (U-disk data export), optional thermal printer
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BrandShanghai Yiheng
OriginChongqing, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelDHG-9005 (Drying Oven Series)
Instrument TypePrecision Drying Oven
Temperature RangeRT+10°C to 300°C
Temperature Uniformity±3% at 100°C
Temperature Fluctuation±1.0°C
Interior MaterialMirror-Finish Stainless Steel (A-Series)
Heating MethodForced-Air Convection
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BrandShanghai Yiheng
OriginShanghai, China
ModelDZF-6053
Instrument TypeVacuum Oven
Temperature RangeRT+10°C to 200°C
Temperature Uniformity±1°C
Temperature Resolution0.1°C
Achievable Vacuum Level133 Pa
Internal Chamber Dimensions415 × 370 × 345 mm
External Dimensions730 × 560 × 550 mm
Chamber MaterialStainless Steel (SUS304)
Heating MethodElectric Resistance Heating
Power Input1400 W
Standard Shelves3 pcs
DoorDouble-layer Tempered Glass with Silicone Sealing Gasket
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BrandShanghai Yiheng
OriginShanghai, China
Model SeriesBPG (Precision Forced-Air Drying Oven)
Temperature RangeRT+10°C to 200°C (optional up to 250°C)
Temperature Uniformity±2.5% at 100°C
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Heating MethodForced-air convection
Interior MaterialMirror-finish stainless steel
Programmability7 programs × 9 segments (63 total steps), 0–5999 min per segment
SafetyIndependent over-temperature alarm with audible/visual alert
Data Interface (optional)RS-485, USB (U-disk), or printer port
Power SupplyAC 220 V, 50 Hz
Volume Options40 L to 400 L
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