YIHENG
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| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LHH-250SDP |
| Temperature Range | 0–70°C |
| Humidity Range | 20–98% RH |
| Temperature Uniformity | ±0.5°C (at 25°C) |
| Humidity Uniformity | ±3% RH (at 60% RH) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LHH-400GP |
| Temperature Range | 0–70°C |
| Humidity Range | 20–98% RH (at 25°C) |
| Illumination Control | 0–6000 lx (adjustable, ±500 lx accuracy at 4500 lx setpoint) |
| Light Source | LED or Fluorescent (UV-A compliant, 320–400 nm) |
| Compliance | Chinese Pharmacopoeia 2020, GB/T 10586–2006, ICH Q1A(R2), Q1B, Q5C |
| Control System | Programmable Touchscreen Controller (100 programs × 1000 segments × 999 cycles) |
| Data Logging | Built-in memory + RS-485/RS-232 interface + optional thermal printer support |
| Safety | Dual independent temperature limit alarms, humidity deviation alarms, password-protected operation, UV sterilization option (optional), real-time fault diagnostics |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Region Category | Domestic (China) |
| Models | LHH-500GSD, LHH-500GSP, LHH-800GSD, LHH-800GSP |
| Price Range | USD 11,500 – 16,300 (FOB Shanghai) |
| Brand | Yiheng |
|---|---|
| Model | LHH-500GSP |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Price | USD 9,800 (FOB Shanghai) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHH-GP |
| Price Range | USD 3,200 – 8,000 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Models | LHH-SD, LHH-GSD, LHH-SDP, LHH-GSP |
| Price Range | USD 7,000 – 11,200 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHH-SD/GSD |
| Price Range | USD 2,800 – 7,000 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHH-SDP |
| Price Range | USD 5,600 – 8,100 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model Numbers | LHH-SG, LHH-SSG |
| Price Range | USD 9,700 – 14,800 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHH-SSG |
| Price | USD 15,000 (FOB Shanghai) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHH-UV Series |
| Price Range | USD 11,200 – 14,000 |
| Brand | YiHeng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHR-500F |
| Heating Method | Air-jacketed |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C (at high temp), ±1.0 °C (at low temp) |
| Temperature Uniformity | ±2.5 °C (measured at 25 °C) |
| Internal Dimensions (W×D×H) | 670×720×1020 mm |
| External Dimensions (W×D×H) | 850×1100×1930 mm |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region Category | Domestic (China) |
| Model | LHS Series |
| Price Range | USD 3,300 – 10,500 (FOB Shanghai) |
| Instrument Type | Vertical Chamber |
| Temperature Range | Type I: −5 to 80°C |
| Type II | −10 to 70°C |
| Humidity Range | Type I: 40–85% RH |
| Type II | 40–95% RH |
| Temperature Uniformity | ±0.5°C (high-temp), ±1.0°C (low-temp) |
| Humidity Deviation | ±3% RH |
| Heating Rate | 1.0–3.0°C/min |
| Internal Chamber Dimensions | See Technical Datasheet |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Models | LHS-CH, LHS-CL, LHS-CA, LHS-CB |
| Instrument Type | Upright Chamber |
| Temperature Range | RT +10°C to 85°C |
| Humidity Range | 45–95% RH (standard), 80–95% RH (high-humidity configuration) |
| Temperature Uniformity | ±1.0°C |
| Humidity Deviation | ±3% RH |
| Interior Construction | Mirror-finish stainless steel with radius-corner design |
| Shelf Adjustability | Stepless vertical adjustment |
| Control Method | TMHM Balanced Temperature–Humidity Modulation |
| Safety System | Independent Over-Temperature Cut-Off Alarm |
| Key Components | Imported microprocessor controller, hermetic refrigeration compressor, precision humidity sensor |
| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | LHS-150HC-II |
| Instrument Type | Upright Chamber |
| Temperature Range | −10 °C to 70 °C |
| Temperature Uniformity | ±0.5 °C (at high temp), ±1.0 °C (at low temp) |
| Humidity Deviation | ±3% RH |
| Internal Chamber Dimensions (W×D×H) | 550 mm × 405 mm × 670 mm |
| Refrigeration System | Eco-friendly non-CFC design |
| Control Method | TMHM balanced temperature & humidity regulation |
| Key Components | Imported compressor, imported humidity sensor |
| Safety Features | Independent over-temperature alarm with automatic cut-off |
| Optional Accessories | RS485 interface, thermal printer, 25 mm diameter test port on left side |
| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Models | LHS-150SC, LHS-250SC |
| Cabinet Type | Vertical |
| Temperature Range (with Humidification) | 15–45 °C |
| Temperature Range (without Humidification) | 10–45 °C |
| Humidity Range | 60–85 %RH |
| Temperature Uniformity | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Deviation | ±5–8 %RH |
| Interior Dimensions (W×D×H) | 550×400×670 mm (LHS-150SC), 600×500×830 mm (LHS-250SC) |
| Construction | Mirror-finish Stainless Steel Interior |
| Control System | Microprocessor-based Temperature & Humidity Controller with Capacitive Humidity Sensor |
| Safety | Independent Over-Temperature Cut-off (optional) |
| Communication | RS485 Interface for Data Logging (optional) |
| Access Port | 25 mm Diameter Test Port on Left Side (optional) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LHS-250HC-I / LHS-250HC-II |
| Instrument Type | Upright Chamber |
| Temperature Range (I) | -5 to 80°C |
| Temperature Range (II) | -10 to 70°C |
| Humidity Range (I) | 40–85% RH |
| Humidity Range (II) | 40–95% RH |
| Temperature Uniformity | ±0.5°C (high temp), ±1.0°C (low temp) |
| Humidity Deviation | ±3% RH |
| Internal Chamber Dimensions | 600 × 500 × 830 mm (W × D × H) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LHS-250HC-II |
| Instrument Type | Upright Chamber |
| Temperature Range | −10 °C to 70 °C |
| Humidity Range (Mode I) | 40–85 %RH |
| Humidity Range (Mode II) | 40–95 %RH |
| Temperature Uniformity | ±0.5 °C (high-temp), ±1.0 °C (low-temp) |
| Humidity Deviation | ±3 %RH |
| Heating Rate | ≥1.5 °C/min (typical, 25 °C to 60 °C) |
| Internal Chamber Dimensions (W×D×H) | 600 mm × 500 mm × 830 mm |
| Interior Material | Mirror-finish Stainless Steel (SUS304) |
| Control Method | TMHM Balanced Temperature & Humidity Modulation |
| Safety Features | Independent Over-Temperature Cut-Off Protection |
| Interface Options | RS485 (optional), Thermal Printer Port (optional) |
| Test Port | Ø25 mm on Left Side Wall |
| Humidity Sensor | Imported Capacitive RH Sensor |
| Compressor | Imported Hermetic Scroll Compressor |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LHS-250SC |
| Instrument Type | Vertical Chamber |
| Temperature Range (with Humidification) | 15–45 °C |
| Temperature Range (without Humidification) | 10–45 °C |
| Humidity Range | 60–85 %RH |
| Temperature Uniformity | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Deviation | ±5–8 %RH |
| Heating Rate | 1–3 °C/min |
| Interior Dimensions (W×D×H) | 600 × 500 × 830 mm |
| Construction | Mirror-finish Stainless Steel Interior |
| Control System | Microprocessor-based Dual PID Controller for Temperature & Humidity |
| Optional Features | Independent Over-Temperature Cut-off Alarm, RS485 Data Interface, 25 mm Diameter Test Port (left side) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | LHS-80HC-I |
| Instrument Type | Upright |
| Condensation Method | Air-Cooled |
| Humidity Range | 40–85% RH |
| Temperature Fluctuation | ±0.5°C (High Temp), ±1.0°C (Low Temp) |
| Humidity Deviation | ±3% RH |
| Interior Chamber Dimensions | 400 × 400 × 500 mm (W × D × H) |
| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LRH Series |
| Price Range | USD 1,300 – 5,450 (FOB Shanghai) |
| Heating Method | Air-Jacketed Heating |
| Cooling Method | Compressor-Based Refrigeration |
| Air Circulation | Natural Convection |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C at High Temp |
| Temperature Uniformity | ±1.5 °C |
| External Dimensions (W×D×H, mm) | 530×560×1080 |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LRH |
| Price Range | USD 2,150 – 8,800 (FOB Shanghai) |
| Heating Method | Air-Jacketed Heating |
| Cooling Method | Compressor-Based Refrigeration |
| Temperature Range | LRH-L: −10 °C to +65 °C |
| LRH-A | −20 °C to +65 °C |
| LRH-B | −40 °C to +65 °C |
| Temperature Uniformity | ±0.5 °C (at ≥25 °C), ±1.0 °C (at ≤0 °C) |
| Internal Volume Options | 150 L, 250 L, 400 L, 600 L (per catalog) |
| External Dimensions | Varies by capacity (see technical datasheet) |
| Brand | YIHENG |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Heating Method | Air-Jacketed |
| Cooling Method | Compressor-Based Refrigeration |
| Convection Mode | Natural Convection |
| Temperature Range | −10 °C to +65 °C |
| Temperature Uniformity | ±0.5 °C (at ≥25 °C), ±1.0 °C (at ≤0 °C) |
| Interior Dimensions (W×D×H) | 500 mm × 400 mm × 600 mm |
| External Dimensions (W×D×H) | 650 mm × 770 mm × 1320 mm |
| Optional Features | RS485 Interface, Thermal Printer Output, Multi-Stage Programmable Controller (up to 30 segments, 1–5999 min/segment) |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | LRH-250(F) |
| Heating Method | Air-jacketed |
| Cooling Method | Compressor-based |
| Convection Type | Natural convection |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C at high setpoints |
| Temperature Uniformity | ±1.5 °C (measured at 25 °C) |
| Interior Dimensions (W×D×H) | 503 × 370 × 808 mm |
| Exterior Dimensions (W×D×H) | 600 × 630 × 1360 mm |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | LRH-500F |
| Heating Method | Air-Jacketed |
| Cooling Method | Compressor-Based Refrigeration |
| Convection Type | Natural Convection |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C (at high setpoints), ±1.0 °C (at low setpoints) |
| Temperature Uniformity | ±2.5 °C (measured at 25 °C reference point) |
| Internal Dimensions (W×D×H) | 670×720×1020 mm |
| External Dimensions (W×D×H) | 850×1100×1930 mm |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LRH-70F |
| Heating Method | Air-jacketed |
| Cooling Method | Compressor-based |
| Air Circulation | Natural Convection |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C (at high temp), ±1.0 °C (at low temp) |
| Temperature Uniformity | ±1.5 °C (measured at 25 °C) |
| Interior Dimensions (W×D×H) | 400 × 350 × 500 mm |
| External Dimensions (W×D×H) | 530 × 560 × 1080 mm |
| Brand | YiHeng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LRH-Series |
| Price Range | USD 1,400–2,800 |
| Heating Method | Air-Jacketed |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C (at high setpoints), ±1.0 °C (at low setpoints) |
| Temperature Uniformity | ±1.5 °C (measured at 25 °C reference point) |
| Interior Dimensions (W×D×H) | 400 × 350 × 500 mm |
| External Dimensions (W×D×H) | 530 × 560 × 1080 mm |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model Numbers | LRH-800F, LRH-1000F, LRH-1500F |
| Price Range | USD 7,000–14,000 (FOB Shanghai) |
| Heating Method | Air-Jacketed Heating |
| Cooling Method | Compressor-Based Refrigeration |
| Temperature Range | Standard Mode (F): 0–60°C |
| Low-Temp Mode (L) | −10–60°C |
| Temperature Fluctuation | ±0.5°C (at high setpoints), ±1.0°C (at low setpoints) |
| Temperature Uniformity | ±2.5°C (measured at 25°C reference point) |
| Internal Dimensions (W×D×H) | 730 × 750 × 1480 mm |
| External Dimensions (W×D×H) | 870 × 1085 × 2065 mm |
| Brand | Yiheng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Models | LRH-150-2B, LRH-100-4B, MJ-150-2B, MJ-100-4B |
| Price Range | USD 3,400 – 6,800 (FOB Jiangsu) |
| Control Method | Mechanical Push-Button Interface |
| Air Circulation | Natural Convection |
| Temperature Range | 0–60 °C |
| Temperature Fluctuation | ±0.5 °C (at both high and low setpoints) |
| Temperature Uniformity | ±1 °C (measured at 25 °C reference point) |
| Chamber Configuration | Dual-chamber (2B) or Quad-chamber (4B) |
| Interior Material | Mirror-Finish Stainless Steel (AISI 304), Radius-Corner Design |
| Shelf Adjustability | Yes, stepless vertical positioning |
| Compressor | Brand-name hermetic refrigeration unit with R134a or R600a eco-friendly refrigerant |
| Temperature Controller | Microprocessor-based PID controller with digital LCD display, timer function, and over-temperature cut-off (optional) |
| Fan Speed Control | Three-level manual adjustment |
| Data Output | Optional RS485 port or thermal printer interface (for temperature logging) |
| Brand | Yiheng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LYW Series |
| Salt Fog Deposition Rate | 1.0–2.0 mL / 80 cm²·h |
| Temperature Range | RT+5°C to 50°C |