This product is suitable for environmental protection, agriculture and animal husbandry, aquatic products, and other scientific research, as well as for universities and production departments. It is a special constant temperature device for water mass analysis and BOD determination, cultivation of bacteria, molds, and microorganisms, preservation, plant cultivation, and breeding experiments. (The temperature setting from 20 to 37 °C prevents the crystallization of the mannitol solution).Features:1. Display mode: LCD screen, with real-time temperature, set temperature display interface.2. Temperature control mode: microcomputer PID temperature control, with timing function, timing range 9999 min/h, with parameter memory function, automatic call recovery operation.3. Temperature sensor type: PT100 temperature sensor.4. Heating method: stainless steel heating tube, direct heating type.5. The inner tank is made of high-quality stainless steel, four-corner semicircular design.6. Hollow glass observation window, easy to observe the internal situation of the equipment.7. Equipped with alarm system: high temperature alarm, independent overheating protection device, overcurrent protection.8. The inner box is equipped with standard lighting for easy observation and a standard BOD socket for easy internal power supply.9. Unique refrigeration circuit, with fan to form forced convection, improves the average temperature in the working room.Technical Specifications:Model: BJPX-I-80, BJPX-I-100, BJPX-I-150, BJPX-I-200, BJPX-I-250, BJPX-I-300, BJPX-I-400Capacity: 80L, 100L, 150L, 200L, 250L, 300L, 400LTemperature Control Mode: PT100 sensor and PID adjustmentTemperature Control Range: 0~65℃Temperature Display Resolution: 0.1℃Temperature Fluctuation: Heating: ±0.5 ℃; Cooling: ±1 ℃Temperature Uniformity: ±2℃Time Range: 0~9999 min/hRefrigerant: R134a/230g, R134a/250g, R134a/270g, R134a/320g, R404a/350gDisinfection: UV disinfection device can be optionalDisplay: LCD screenPower Supply: AC 220 V, 50 Hz (standard); 110 V, 60 Hz (optional, external transformer)Rated Power: 1000W, 1200W, 1400WShelves: Various sizes available, optionalStandard Accessories: Shelf*2, splash-proof multifunction socket*1, waterproof BOD socketOptional Accessories: RS485 interface, USB interface, printer, UV disinfection device, tempered glass inner door, test portInternal Dimensions (W x D x H): Various sizes availableExternal Dimensions (W x D x H): Various sizes availablePackage Size (W x D x H): Various sizes availableNet Weight: Various weights availableGross Weight: Various weights availableNote: Performance parameters were tested under no-load conditions and the ambient temperature was 20 ℃, ambient humidity was 50% RH. Not suitable for long-term refrigerated storage and not for cultivating human-origin samples.