High Low Temperature Alternating Test Chamber
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| Brand | Other Brands |
|---|---|
| Temperature Range (Hot Zone) | +80°C to +200°C |
| Temperature Range (Cold Zone) | −10°C to −70°C |
| Operational Test Range | −40°C to +150°C |
| Temperature Control Accuracy | ±2°C |
| Temperature Resolution | 0.01°C |
| Hot Zone Ramp Rate (RT → +150°C) | ≤40 min |
| Cold Zone Ramp Rate (RT → −70°C) | ≤100 min |
| Test Zone Temperature Recovery Time | 3–5 min |
| Internal Dimensions | 60 cm (W) × 50 cm (H) × 50 cm (D) |
| External Dimensions | 150 cm (W) × 210 cm (H) × 225 cm (D) |
| Construction | Dual-chamber (hot/cold) + test zone architecture |
| Inner/Outer Chamber Material | SUS#304 stainless steel (polished finish) |
| Insulation | High-density glass wool + rigid polyurethane (PU) foam |
| Sealing System | High-tensile packing rated for −200°C to +400°C |
| Actuation | Pneumatic hot/cold zone isolation valves |
| Accessories | Two adjustable stainless steel test trays |
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | General Distributor |
| Price | USD 14,000 (approx.) |
| Internal Dimensions (W×H×D) | 50×75×60 cm to 100×100×100 cm |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98% RH (optional: 5–98% RH) |
| Rapid Thermal Transition Range | −45 °C to +85 °C or −20 °C to +85 °C |
| Ramp Rates | 5–25 °C/min (customizable) |
| Temperature Uniformity | ±2 °C |
| Temperature Stability | ±0.5 °C |
| Humidity Uniformity | ±3.0% RH (at ≥75% RH) |
| Humidity Stability | ±2.5% RH |
| Refrigerant | R507 / R23 (zero ozone depletion potential, HFC-based) |
| Control System | 7-inch color LCD touchscreen controller with bilingual (English/Chinese) interface |
| Safety Protections | Overcurrent, leakage current, compressor overload, grounding fault, overtemperature, and acoustic alarm |
| Compliance Standards | GB/T 2423.1, GB/T 2423.2, GB/T 2423.22, GJB 150.3, GJB 150.4, GB 10589, GB 11158, GB 10592 |
| Origin | China (manufactured in Shaoxing) |
|---|---|
| Supplier type | Authorized distributor |
| Import status | Domestic production with international-standard engineering |
| Price | USD 14,000–18,000 (FOB Shaoxing, subject to configuration) |
| Brand | SOLY |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | Customizable |
| Pricing | Available Upon Request |
| Internal Volume Range | 350–1000 L |
| Internal Dimensions (W×D×H) | 800 × 550 × 800 mm |
| External Dimensions (W×D×H) | 1100 × 1200 × 1900 mm |
| Temperature Range | −20 °C to +150 °C |
| Temperature Uniformity | ≤ ±2.0 °C |
| Temperature Stability | ≤ ±0.5 °C |
| Heating Rate (Empty Load, Avg.) | ≥3 °C/min |
| Cooling Rate (Empty Load, Avg., Mechanical Refrigeration Only) | ≥2 °C/min |
| Compliance Standards | GB/T 5170.2–2008, GB/T 2423.1–2008 / IEC 60068-2-1:2007, GB/T 2423.2–2006 / IEC 60068-2-2:2007, GJB 150.3–1986, GJB 150.4–1986 |
| Brand | SuYing |
|---|---|
| Origin | Shanghai, China |
| Model | GDW-100 / GDW-250 / GDW-500 / GDW-800 / GDW-1000 |
| Temperature Range | A: −20°C to +150°C |
| B | −40°C to +150°C |
| C | −60°C to +150°C |
| D | −70°C to +150°C |
| Temperature Uniformity | ≤ ±2°C |
| Temperature Fluctuation | ≤ ±0.5°C |
| Heating Rate | −20°C → +100°C in ~35 min (typical) |
| Cooling Rate | +25°C → −40°C in ~50 min (typical) |
| Internal Dimensions (D×W×H, mm) | 450×450×500 to 1000×1000×1000 |
| External Dimensions (D×W×H, mm) | 1150×450×500 to 1650×1480×2200 |
| Power Supply | AC 380 V ±10%, 50 Hz ±0.5 Hz, 3-phase 5-wire |
| Safety Protections | Over-temperature, over-current, compressor high-pressure, motor overload, leakage current, short-circuit |
| Compliance | GB/T 2423.1–2001, GB/T 2423.2–2001, GB 10589–1989, GB 10592–1989, GB 11158–1989, GB/T 5170.2–1996 |
| Brand | SuYing |
|---|---|
| Model | GDW-100 / GDW-250 / GDW-500 / GDW-800 / GDW-1000 |
| Temperature Range | A: −20°C to +150°C |
| B | −40°C to +150°C |
| C | −60°C to +150°C |
| D | −70°C to +150°C |
| Temperature Uniformity | ≤ ±2°C |
| Temperature Fluctuation | ≤ ±0.5°C |
| Heating Rate | −20°C → +100°C in ≈35 min (A) |
| Cooling Rate | +25°C → −40°C in ≈50 min (B) |
| Internal Dimensions (D×W×H, mm) | 450×450×500 |
| External Dimensions (D×W×H, mm) | 1150×450×500 |
| Power Supply | AC 380 V ±10%, 50 ±0.5 Hz, 3-phase 5-wire |
| Safety Protection | Over-temperature, over-current, compressor high-pressure, motor overload, leakage, short-circuit, and phase-failure protection |
| Brand | SuYing |
|---|---|
| Origin | Shanghai, China |
| Model | GDW-100 / GDW-250 / GDW-500 |
| Temperature Range Options | A: −20°C to +150°C |
| B | −40°C to +150°C |
| C | −60°C to +150°C |
| D | −70°C to +150°C |
| Temperature Uniformity | ≤ ±2°C |
| Temperature Fluctuation | ≤ ±0.5°C |
| Heating Rate (−20°C → 100°C) | ~35 min |
| Cooling Rate (25°C → −40°C) | ~50 min |
| Internal Dimensions (GDW-500) | 800 × 700 × 900 mm (D×W×H) |
| External Dimensions (GDW-500) | 1280 × 1350 × 2100 mm (D×W×H) |
| Power Supply | AC 380 V ±10%, 50 ±0.5 Hz, 3-phase 5-wire |
| Refrigeration System | French Tecumseh hermetic compressor (single-stage or cascade configuration) |
| Control System | Imported PID microprocessor-based digital controller with ±0.1°C setpoint/indication resolution |
| Safety Protections | Over-temperature, over-current, motor overload, refrigerant high-pressure, leakage, and short-circuit protection |
| Compliance Standards | GB/T 2423.1–2001, GB/T 2423.2–2001, GB 10589–1989, GB 10592–1989, GB 11158–1989, GB/T 5170.2–1996 |
| Brand | Suying |
|---|---|
| Origin | Shanghai, China |
| Model | SY-500 |
| Chamber Volume | 500 L |
| Construction | Cold-Rolled Steel Exterior with Electrostatic Powder Coating |
| Interior | SUS304B Stainless Steel (1.5 mm Thickness) |
| Insulation | Rigid Polyurethane Foam + Fine Glass Wool |
| Temperature Range | −70 °C to +180 °C |
| Temperature Uniformity | ±0.5 °C (at steady state, per IEC 60068-3-5) |
| Temperature Ramp Rate | ≥3 °C/min (average, 20 °C to −40 °C |
| Humidity Range | 20–98% RH (optional humidification system) |
| Compliance | GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2424.1–2023, GB/T 5170.2–2017, IEC 60068-2-1, IEC 60068-2-2 |
| Brand | TianYuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TY-9011 |
| Quotation | Upon Request |
| Temperature Range | −20 °C to +150 °C / −40 °C to +150 °C / −60 °C to +150 °C / −70 °C to +150 °C |
| Humidity Range | 30–98% RH |
| Humidity Accuracy | ±2% RH (upper) / −3% RH (lower) |
| Temperature Uniformity | ≤±2 °C (standard), optional ≤±0.5 °C |
| Temperature Stability | ≤±0.5 °C (standard), optional ≤±0.1 °C |
| Heating Rate | 2–3 °C/min (standard), optional ≥10 °C/min |
| Cooling Rate | 1 °C/min (standard), optional ≥10 °C/min |
| Power Consumption | 4–6 kW at −40 °C |
| Supply Voltage | AC 380 V, 50 Hz |
| Noise Level | ≤65 dB(A) |
| Control System | Korean-made touchscreen PID controller with programmable profile capability |
| Sensor | A-class Pt100 platinum resistance thermometer |
| Humidification | External stainless steel steam generator with auto-water replenishment and condensate recovery |
| Refrigeration | Hermetic Tecumseh or Danfoss compressor |
| Construction | SUS304 brushed stainless steel exterior or Baosteel cold-rolled steel with electrostatic powder coating |
| Air Circulation | Low-noise, high-efficiency centrifugal blower with multi-vane impeller |
| Compliance | GB 10589-89, GB 10592-89, GB 10586-89, GB 11158-89 |
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | General Distributor |
| Price | USD 14,000 (Reference Only) |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98% RH (optional: 5–98% RH) |
| Rapid TC Range | −45 °C to +85 °C or −20 °C to +85 °C |
| Ramp Rates | 5–25 °C/min (customizable) |
| Temperature Uniformity | ±2 °C |
| Temperature Stability | ±0.5 °C |
| Humidity Uniformity | ±3.0% RH (at ≥75% RH) |
| Humidity Stability | ±2.5% RH |
| Interior Material | SUS#304 Stainless Steel |
| Refrigeration System | Hermetic Dual-Stage Compressor with Eco-Friendly Refrigerants (R404A/R23) |
| Controller | Touchscreen LCD with English/Chinese Interface |
| Power Supply | AC 380 V ±5%, 50 Hz ±0.5 Hz, 3-Phase 5-Wire |
| Brand | Yi Heng (Shanghai Yi Heng) |
|---|---|
| Origin | Shanghai, China |
| Model | BPH Series / BPHJ Series |
| Temperature Range | −20 °C to 130 °C (A), −40 °C to 130 °C (B), −60 °C to 130 °C (C) |
| Temperature Uniformity | ±2 °C |
| Temperature Fluctuation | ±0.5 °C |
| Refrigerant | R134a (non-ozone-depleting) |
| Internal Chamber Material | AISI 304 mirror-finish stainless steel |
| Control System | Microprocessor-based digital controller (BPH) or 7-inch color TFT touchscreen with programmable logic (BPHJ) |
| Programmability | Up to 120 programs × 99 segments × 999 cycles |
| Communication Interface | RS-232 / RS-485 standard |
| Safety Protections | Independent over-temperature cut-off, compressor overheat/overcurrent/overload protection, fan overheat protection, dual-stage temperature deviation alarms |
| Brand | YiHeng |
|---|---|
| Model Series | BPH-H, BPHJ-H |
| Temperature Range | -70°C to +150°C (typical, model-dependent) |
| Humidity Range | 20–98% RH (BPHJ-H only) |
| Control Accuracy | ±0.5°C (temp), ±2.5% RH (humidity) |
| Uniformity | ±1.0°C (temp), ±3.0% RH (humidity) |
| Programmable Stages | Up to 120 programs × 99 segments × 999 cycles |
| Segment Duration | Up to 999 h 59 min 59 s |
| Display | 6-line 20-character LCD (BPH-H) / 7-inch color TFT touchscreen (BPHJ-H) |
| Communication Interfaces | RS-232, RS-485, USB (data export), optional 485/printer |
| Compliance | Designed per IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), GB/T 10586, GB/T 10589, ISO 16750-4 (automotive environmental stress) |
| Brand | YIHENG |
|---|---|
| Model | BPHJ Series |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Controller Type | Programmable Touchscreen Controller (Standard) |
| Temperature Range | -70°C to +180°C (typical for BPHJ series) |
| Humidity Range | 20%–98% RH (optional humidity model) |
| Internal Volume | 100–1000 L (model-dependent) |
| Test Port | Ø25 mm or Ø50 mm (left-side, sealed) |
| Construction | 304 Mirror-Finish Stainless Steel Interior |
| Compliance | ISO 17025-relevant environmental control, IEC 60068-2-1/2/14/30, GB/T 2423.1–2423.4 (Chinese national equivalents of IEC standards) |
| Data Interface | RS-232 / RS-485 / USB (SD card), Optional Printer & PC Software Integration |
| Safety Protections | Independent Over-Temperature Cut-off, Compressor Overheat/Overcurrent/Overload Protection, Fan Overheat Protection, Deviation Alarms (High/Low/Out-of-Spec) |
| Brand | YiHeng (Shanghai Yi Heng) |
|---|---|
| Origin | Shanghai, China |
| Model | BPHJS Series |
| Temperature Range | −60 °C to +130 °C |
| Humidity Range | 30–95 %RH |
| Temperature Uniformity | ±2 °C |
| Temperature Fluctuation | ±0.5 °C |
| Humidity Fluctuation | ±3 %RH |
| Refrigerant | R134a (ozone-friendly) |
| Inner Chamber Material | AISI 304 mirror-finish stainless steel |
| Control System | Color TFT touchscreen with programmable logic (120 programs × 99 segments, up to 999 cycles) |
| Communication Interface | RS-232/RS-485, USB data export (SD card), optional 485 printer interface |
| Safety Protections | Independent over-temperature cutoff, compressor overheat/overcurrent/overload protection, fan overheat protection, low-water alarm |
| Power Supply | AC 380 V, 50 Hz (models with −40 °C or −60 °C capability) |
| Brand | YiHeng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BPHJS-H Series |
| Price Range | USD 5,000 – 25,000 (FOB) |
| Refrigerant | R134a |
| Inner Chamber Material | AISI 304 Mirror-Finish Stainless Steel |
| Temperature Range | −70 °C to +180 °C |
| Humidity Range | 20 % RH to 98 % RH |
| Control Accuracy | ±0.5 °C / ±2.5 % RH |
| Uniformity | ±1.5 °C / ±3 % RH |
| Programmable Stages | 120 programs × 99 segments each |
| Max Cycles | 999 |
| Segment Duration | Up to 999 h 59 min 59 s |
| Interface | 7″ Color TFT Touchscreen (Standard), RS-232/RS-485, USB (SD card), Optional 485 Printer Output |
| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BPHS / BPHJS Series |
| Pricing | Upon Request |
| Brand | Yoyi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GDW-1000L(A/B/C) |
| Temperature Range | A: −20°C to 150°C |
| B | −40°C to 150°C |
| C | −60°C to 150°C |
| Humidity Range | 20%–98% RH |
| Humidity Deviation | ±3–5% RH |
| Temperature Fluctuation | ±0.5°C |
| Temperature Uniformity | ±2°C |
| Temperature Resolution | 0.1°C |
| Heating Method | Nickel-Chromium Alloy Heaters |
| Refrigeration | Imported Hermetic Compressor with Eco-Friendly Refrigerant |
| Control System | TEMI Programmable PID Controller |
| Programming Capacity | 100 Segments |
| Power Supply | AC380V, 50Hz |
| Internal Dimensions (W×D×H) | 1000×1000×1000 mm |
| Volume | 1000 L |
| Construction | Cold-Rolled Steel Exterior (Electrostatic Powder Coating), 304 Stainless Steel Interior |
| Communication Interface | Optional RS485 or USB |
| Brand | Yoyi |
|---|---|
| Model | GDW-150L (A/B/C) |
| Temperature Range | -20℃ to 150℃ / -40℃ to 150℃ / -60℃ to 150℃ |
| Humidity Range | 20–98% RH |
| Humidity Deviation | ±3–5% RH |
| Temperature Uniformity | ±2℃ |
| Temperature Fluctuation | ±0.5℃ |
| Temperature Resolution | 0.1℃ |
| Heating Method | Nickel-Chromium Alloy Heaters |
| Refrigeration | Imported Hermetic Compressor with Eco-Friendly Refrigerant |
| Control System | TEMI Programmable PID Controller |
| Power Supply | AC380V 50Hz |
| Internal Volume | 150 L |
| Internal Dimensions (W×D×H) | 500×500×600 mm |
| External Dimensions (W×D×H) | 1035×1060×1700 mm |
| Standard Accessories | 2–8 Adjustable Stainless Steel Shelves, 100-Stage Programmable Cycle, Left-Side Test Port, Triple-Layer Insulated Observation Window with Defrosting & Illumination, Color Touchscreen Interface, RS485/USB Communication Option |
| Compliance | Designed for ASTM D4329, ISO 4892-2, IEC 60068-2-1/2/14, GB/T 2423.1–2423.4, and GLP-aligned test documentation workflows |
| Brand | Yoyi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GDW-225L(A/B/C) |
| Temperature Range | A: −20 °C to 150 °C |
| B | −40 °C to 150 °C |
| C | −60 °C to 150 °C |
| Humidity Range | 20–98% RH |
| Humidity Deviation | ±3–5% RH |
| Temperature Fluctuation | ±0.5 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Resolution | 0.1 °C |
| Heating Method | Nickel-Chromium Alloy Heater |
| Refrigeration System | Hermetic Imported Compressor with Eco-Friendly Refrigerant (R404A/R23) |
| Control System | TEMI PID-Based Intelligent Controller |
| Programmability | 100-Stage Multi-Segment Program |
| Power Supply | AC380V 50Hz |
| Internal Volume | 225 L |
| Internal Dimensions (W×D×H) | 600×500×750 mm |
| External Dimensions (W×D×H) | 1115×1085×1885 mm |
| Standard Accessories | 2 Fixed + 10 Adjustable 304 Stainless Steel Shelves, Left-Side Test Port, Triple-Layer Insulated Observation Window with Defrosting & Illumination, Silicone Door Seal, RS485/USB Interface (Optional) |
| Brand | Yoyi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GDW-400L (A/B/C variants) |
| Temperature Range | A: −20°C to 150°C |
| B | −40°C to 150°C |
| C | −60°C to 150°C |
| Humidity Range | 20%–98% RH |
| Humidity Uniformity | ±3–5% RH |
| Temperature Uniformity | ±2°C |
| Temperature Fluctuation | ±0.5°C |
| Temperature Resolution | 0.1°C |
| Heating Method | Nickel-Chromium Alloy Heaters |
| Refrigeration | Imported Hermetic Compressor with Eco-Friendly Refrigerant |
| Control System | TEMI Programmable PID Controller |
| Programming Capacity | 100 Segments |
| Power Supply | AC380V, 50Hz |
| Internal Volume | 400 L |
| Internal Dimensions (W×D×H) | 800×600×850 mm |
| External Dimensions (W×D×H) | 1355×1170×1970 mm |
| Standard Accessories | 2 Fixed + 12 Adjustable Stainless Steel Shelves, Left-Side Test Port, Triple-Layer Tempered Glass View Window with Defrosting & Illumination, Silicone Door Seal, RS485/USB Interface Option |
| Compliance | Designed for ASTM D4332, ISO 6270-2, IEC 60068-2-30, GB/T 2423.3–2016 (IEC 60068-2-78), GB/T 2423.4–2016 (IEC 60068-2-30) |
| Brand | Yoyi |
|---|---|
| Model | GDW-500L(A) |
| Temperature Range | -20°C to +150°C |
| Humidity Range | 20–98% RH |
| Humidity Deviation | ±3–5% RH |
| Temperature Uniformity | ±2°C |
| Temperature Fluctuation | ±0.5°C |
| Temperature Resolution | 0.1°C |
| Control System | TEMI Programmable PID Controller |
| Heating Method | Nickel-Chromium Alloy Heaters |
| Refrigeration | Imported Hermetic Compressor with Eco-Friendly Refrigerant |
| Power Supply | AC380V, 50Hz |
| Internal Dimensions (W×D×H) | 800×700×900 mm |
| External Dimensions (W×D×H) | 1355×1270×2020 mm |
| Net Volume | 500 L |
| Standard Accessories | 2 Fixed + 12 Adjustable Stainless Steel Shelves, Left-Side Test Port, Triple-Layer Tempered Glass Viewing Window with Defrosting & Illumination, 100-Step Programmable Cycle Controller, RS485/USB Interface Option |
| Brand | Yuelian |
|---|---|
| Model | TS Series |
| Type | Environmental Test Chamber |
| Application | Thermal & Humidity Stress Testing for Plastics and Polymeric Materials |
| Temperature Range | –70 °C to +150 °C |
| Humidity Range | 20–98 %RH (optional low-humidity down to 5 %RH) |
| Temperature Uniformity | ±0.5 °C |
| Temperature Stability | ±0.3 °C |
| Humidity Uniformity | ±3 %RH |
| Humidity Stability | ±2.5 %RH |
| Heating Rate | ~20 min (0 °C → 100 °C), ~60 min (–70 °C → 100 °C) |
| Cooling Rate | ~90 min (20 °C → –70 °C) |
| Internal Volume Options | 80 L, 150 L, 225 L, 408 L, 800 L, 1000 L |
| Control System | PID + SSR/SCR bidirectional output with slope logic |
| Programmability | 150 programs × 1500 segments, 9999 cycles × 999 repeats, 5 independent sub-cycles |
| Safety Monitoring | 15-point real-time fault detection with auto-diagnostic logging |
| Construction | SUS#304 stainless steel interior & exterior, rock wool + rigid PU foam insulation |
| Refrigeration | Twin-stage hermetic air-cooled system (R404A/R507) for ≤ –40 °C models |
| Humidification | Surface evaporation type with auto water generation from tap supply |
| Compliance | Designed per ISO 17025 laboratory environmental control prerequisites |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2231 |
| Temperature Range | −70 °C to +150 °C |
| Internal Volume | 80–800 L (5 standard configurations) |
| Heating Rate | ~20 min (0 °C to 100 °C), ~60 min (−70 °C to 100 °C) |
| Cooling Rate | ~20 min (20 °C to 0 °C), ~90 min (20 °C to −70 °C) |
| Control System | Programmable TFT-LCD controller with RS-232 interface, 5 patterns / 50 steps / 999 cycles |
| Construction | Full SUS#304 stainless steel interior and exterior |
| Cooling Configuration | Single-stage air-cooled refrigeration system (≥ −20 °C) |
| Standard Accessories | Two adjustable stainless steel shelves, vacuum-rated observation window, interior LED lighting, anti-fog heater |
| Safety Protections | Over-temperature, compressor overload, over-current, earth leakage |
| Power Supply | 1-phase, 220 V, 50 Hz |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2231 |
| Temperature Range | −70 °C to +150 °C |
| Internal Volume | 80–800 L (5 standard configurations) |
| Heating Rate | ~20 min (0 °C → 100 °C), ~60 min (−70 °C → 100 °C) |
| Cooling Rate | ~20 min (20 °C → 0 °C), ~90 min (20 °C → −70 °C) |
| Control System | Programmable TFT-LCD controller with RS-232 interface, 5 patterns / 50 steps / 999 cycles |
| Construction | Full SUS#304 stainless steel interior and exterior |
| Cooling Configuration | Single-stage air-cooled refrigeration system (≥ −20 °C) |
| Standard Accessories | Two adjustable stainless steel shelves, vacuum-rated observation window, interior LED lighting, anti-fog heater |
| Safety Protections | Over-temperature, compressor overload, over-current, earth leakage |
| Power Supply | 1-phase, 220 V, 50 Hz |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2231 |
| Temperature Range | −70 °C to +150 °C |
| Internal Volume | 80–800 L (5 standard configurations) |
| Heating Rate | ~20 min (0 °C to 100 °C) |
| Cooling Rate | ~90 min (20 °C to −70 °C) |
| Control System | TFT-LCD touchscreen controller with RS-232 interface, 5 programs / 50 steps / 999 cycles |
| Construction | Full SUS#304 stainless steel interior and exterior |
| Cooling Configuration | Single-stage air-cooled refrigeration system (≥ −20 °C), dual-stage air-cooled refrigeration system (< −20 °C) |
| Safety Protections | Over-temperature, compressor overload, over-current, earth leakage |
| Standard Accessories | Two adjustable stainless steel shelves, vacuum-view window, interior LED lighting, anti-fog heater |
| Optional | RS-485 communication module for PC-based monitoring |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2231 |
| Temperature Range | -70 °C to +150 °C |
| Internal Volume | 80–800 L (5 standard configurations) |
| Heating Rate | ~20 min (0 °C to 100 °C), ~60 min (-70 °C to 100 °C) |
| Cooling Rate | ~20 min (20 °C to 0 °C), ~90 min (20 °C to -70 °C) |
| Control System | TFT-LCD programmable controller with RS-232 interface, 5 patterns / 50 steps / 999 cycles |
| Construction | Full SUS#304 stainless steel interior and exterior |
| Cooling Configuration | Single-stage air-cooled refrigeration system (≥ -20 °C) |
| Standard Accessories | Two adjustable stainless steel shelves, vacuum-rated observation window, interior LED lighting, anti-fog heater |
| Safety Protections | Over-temperature, compressor overload, over-current, earth leakage detection |
| Power Supply | 1-phase, 220 V, 50 Hz |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2236 |
| Temperature Range | −60 °C to +150 °C (standard: −40 °C to +100 °C) |
| Humidity Range | 20–98 % RH |
| Temp. Accuracy | ±0.3 °C |
| Humidity Accuracy | ±2.5 % RH |
| Temp. Uniformity | ±1.0 °C |
| Humidity Uniformity | ±5 % RH |
| Heating Rate | −40 °C → +100 °C in ≈45 min |
| Cooling Rate | +20 °C → −40 °C in ≈90 min |
| Internal Dimensions | 100 × 80 × 100 cm (W×H×D) |
| External Dimensions | 160 × 187 × 132 cm (W×H×D) |
| Internal Material | Mirror-finish stainless steel (SUS304) |
| External Material | Brushed stainless steel |
| Insulation | Rigid polyurethane foam (glass wool for >100 °C options) |
| Refrigeration System | Air-cooled, single-stage, hermetic compressor |
| Power Supply | 3-phase, AC 220 V ±10 %, 60 Hz or AC 380/415 V ±10 %, 50 Hz |
| Weight | ≈530 kg |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2236A-0 |
| Internal Dimensions (W×H×D) | 40×50×40 cm |
| Volume | 80 L |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98 %RH (optional low-humidity configuration down to 5 %RH) |
| Temperature Uniformity | ±0.5 °C |
| Humidity Uniformity | ±3 %RH |
| Temperature Stability | ±0.3 °C |
| Humidity Stability | ±2.5 %RH |
| Heating Rate | −70 °C → +100 °C in approx. 60 min |
| Cooling Rate | +20 °C → −70 °C in approx. 90 min |
| Refrigerant | R404A / R507 |
| Compressor | Tecumseh (France) |
| Control System | PID + SSR/SCR bidirectional synchronous output with slope logic |
| Programming Capacity | 120 programs × 1200 segments, 999 cycles, multi-PID tuning |
| Interface | RS-232 |
| Construction | Full SUS#304 stainless steel interior & exterior |
| Insulation | Rockwool + rigid polyurethane foam |
| Safety Protections | 15-point real-time monitoring (over-temperature, over-pressure, dry-run, phase failure, compressor overload, etc.) |
| Compliance | GB/T 10586, ISO 16750-4, ASTM D4332, IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-30, UL 1598, EN 60068-2-78 |