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Yamato BOA-201-220V Laboratory Oil Bath with 37L Capacity and PID Temperature Control
Product Description
Key Features:
- Capacity: Approximately 37L oil capacity (up to 50mm below bath edge)
- Temperature Range: RT +10°C to 200°C
- Control System: PID control via microcomputer
- Accuracy: ±0.1°C control accuracy at 200°C (silicone oil)
- Temperature Fluctuation: 0.2°C at 200°C
- Temperature Distribution Accuracy: ±0.2°C at 200°C
- Temperature Gradient: 0.5°C at 200°C
- Temperature Rise Time: Approximately 120 minutes
- Stirring Method: Jet agitation for uniform temperature distribution
- Heater: SUS316 pipe heater, 2 kW power
- Sensor: Platinum Pt100Ω sensor for control; Type-K thermocouple for overheat prevention
- Display: Green 4-digit LED for temperature reading, red 4-digit LED for setting
- Operation Mode: Fixed with indicator lamp
Safety Features:
- Triple overheating prevention: automatic heater shut-off at set temperature +6°C, overheating prevention device, independent overheating preventor
- Emergency stop switch for overcurrent cutoff
- Float switch to prevent empty boil and oil overflow
- Glass-protected control panel against liquid splashes
- Large operation lamp for visibility
- Self-diagnostic functions covering sensor failures, heater disconnection, SSR short circuit, relay failure, memory error, communication error, abnormal temperature and water level
- Overcurrent leakage breaker
- Key lock function
- Power failure compensation and recovery modes
Additional Functions:
- External alarm output terminal
- Temperature output terminal with adjustable 4–20 mA and 1–5 V signals
- RS485 communication function
- Calibration offset and set value lock functions
- Drain valve included
Dimensions and Weight:
- Inner Bath Dimensions: W312 x D440 x H320 mm (effective W296 x D340 x H270 mm)
- External Dimensions: 531 x 520 x 578 mm (depth 397 mm)
- Weight: Approximately 37 kg
Power Supply:
- AC 220 V, 10 A (with external transformer)
Item Stats
Product details
| Temp. Control Range* | RT+10~200°C |
| Temp. Control Accuracy* | ±0.1°C (at 200°C Silicone Oil) |
| Temp. Fluctuation* | 0.2°C (at 200°C Silicone Oil) |
| Temp. Distribution Accuracy* | ±0.2°C (at 200°C Silicone Oil) |
| Temp. Gradient* | 0.5°C (at 200°C Silicone Oil) |
| Temp. Rise Time* | ~120 min. |
| Temp. Control System | PID control by microcomputer |
| Temp. Setting System | Digital setting with menu keys and the ▼▲ keys |
| Temp. Display System | Temp. reading display: Green 4-digit LED digitalTemp. setting display: Red 4-digit LED digital |
| Sensor | Platinum sensor Pt100Ω (for temperature control)Type-K thermocouple (for overheat prevention) |
| Operation Mode | Fixed operation (with operation indicator lamp) |
| Stirring Method | Jet agitation |
| Heat Insulator | Ceramic fiber |
| Heater Type / Capacity | SUS316 Pipe Heater 2kW |
| Safety Device | Self-diagnostic functions (automatic overheat prevention, temperature sensor failure, heater disconnection, SSR short circuit, main relay failure, memory error, internal communication error, abnormal temperature reading, abnormal water level), overcurrent leakage breaker, overheating protector, independent overheating preventor, emergency stop button |
| Other Functions | Drain valve / operation indicator lamp / external alarm output terminal / temperature output terminal (with 1-5V, 4-20mA changeover switch) / external communication function (RS485) / calibration offset function / set value lock function / power failure recovery mode selection function |
| Inner Bath Dimensions | W312 x D440 x H320 mm |
| Effective Inner Bath Dimensions | W296 x D340 x H270 mm |
| Bath Capacity | ~37L (when the amount of oil is up to 50mm from the upper edge of the bath) |
| External Dimensions WxDxH | 531 x 520 x 578 mm (oil bath depth 397 mm) |
| Power Source | AC115V 18.5AAC220V 10A |
| Weight | ~37kg |
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