Water Bath (Low Constant Temp.) (BB401)
Constant low temp. water bath with the precision ±0.1°C under -30°C+80°C.
Features of Water Bath (Low Constant Temp.) (BB401)
Features
Precise control with temp. control accuracy ±0.1°C.
Features
Expand the usages of water bath, ensure the effective space in chamber.
Features
Have external circulation function.
Features
Easily operate the water valve to switch internal and external circulations.
Features
The shelf plates' height can be adjusted for 3 sections, available for small vessel.
Features
Base on auto stop and auto start operations, auxiliary with RS485 communication function, temp. output terminal (4~20mA).
Safety feature
Overcurrent ELB, self-diagnosis, refrigerator pressure detection, float switch preventing pump idling, refrigerator overload protector relay, refrigerator delay timer of protection, etc..
Specifications
Specifications
Item Code | 221620 |
---|---|
Model | BB401 |
Operating temperature range | -30 to +80°C |
Temperature control accuracy | ±0.1°C |
Temperature distribution accuracy | ±0.3°C |
Temperature indicating unit | 0.1°C |
Cooling capacity | Approx. 510W (439Kcal/h), at fluid temp.15°C |
Temperature control | PID control |
Operation function | Fixed temp., Auto stop , Auto start operations |
Temperature sensor | Temp. controller: Pt thermal resistance, Overheat protection: K thermocouple |
Temperature setting, display | Digital setting and display |
Refrigerator, refrigerant | Air cooling 350W, R404A |
Unit circulation ability(50/60Hz) Pump max. flow | 14/15L/min. (Circulation pressure loss when below 10kPa) |
Unit circulation ability(50/60Hz) Pump max. lift | 2.8/3.4m (water flow about 0.5L/min) |
Heater | Stainless steel pipe heater 850W |
Cooling coil | Nickel-clad copper |
External circulation nozzle | O.D.11mm of water outlet and return port |
Operating environmental temp. range | 5 to 30°C |
Safety device | Overcurrent ELB, Self-diagnosis, Refrigerator overload protector, Refrigerator delay timer of protection, Refrigerator pressure detection, Float switch preventing pump idling, Auto overheat protection, Overheat protector, Key lock, etc.. |
Other functions | Water valve, Condenser filter screen, Deviation correction, External communication (RS485), Refrigerator pressure indicator, Power outage compensation, Temp. output terminal |
Accessories | Top cover, Drain pipe, Overflow pipe |
Internal dimensions£¨W×D×H mm£© | 250×315×190mm |
External dimensions£¨W×D×H mm£© | 420×550×880mm |
Remarks(dimensions) | Bath effective dimension W220×D150×H160mm¡¡・¡¡Bath capacity 13L |
Power Source |
AC220V 6A Single-phase with step down transformer |
Weight | 53kg |
Maintenance and warranty
Conditions: temperature and humidity: 23 deg.C+/-5 deg.C, 65%RH+/-20% (no load)
External dimensions do not include protrusions.