Yamato BM Series Constant Temperature Laboratory Water Baths offer simple, space-saving heating solutions for a wide range of lab applications. With models ranging from basic analog controls to advanced digital PID temperature regulation, the BM Series supports everything from sample warming to rotary evaporator integration.
Each unit is designed with operator safety, ease of use, and precise thermal control in mind. Choose from compact, analog models or feature-rich digital baths with drain valves, removable tanks, and advanced safety functions.
- BM100 / BM110: Analog-controlled entry-level water baths
- BM302A / BM312A: Compact digital baths with LED display and full safety features
- BM401: Digital bath with drain and user-friendly controls
- BM500 / BM510: Advanced models with removable tanks and RE integration
Specifications
Temperature Control
-
Operating Range:
- BM100/110/401/500/510: Room temp. +5°C to 95°C
- BM302A/312A: Room temp. +10°C to 90°C
- Accuracy: ±1.0°C to ±2.0°C depending on model
- Control System: ON/OFF (BM100/110), PID microprocessor (others)
- Display & Setting: Analog (BM100/110), LED Digital with ▲▼ keys (others)
- Operation Mode: Fixed temperature with additional timer functions on BM500/510
Bath Dimensions & Capacity
| Model | Capacity | Internal Dimensions | External Dimensions | Weight |
|---|---|---|---|---|
| BM100 | ~4L | ø200 × D120 mm | 240 × 300 × 150 mm | ~3.5 kg |
| BM110 | ~5L | ø240 × H119 mm | ø262 × H240 mm | ~4.5 kg |
| BM302A / BM312A | ~5L | ø240 × H119 mm | ø262 × H240 mm | ~4.5 kg |
| BM401 | ~7L | ø250 × D150 mm | 310 × 360 × 230 mm | ~7 kg |
| BM500 / BM510 | ~4L | Max ø240 × bottom ø165 × D122 mm | 340 × 349 × 231 mm | ~5.5 kg |
Key Features
- Analog and digital control options
- Flat, heater-free tank bottom for easy cleaning (BM302A/312A)
- Protected tank design to prevent burns
- Drain valve for easy water removal (BM401)
- Removable tank for cleaning (BM500/510)
- RE integration signal port (BM500/510)
- Power failure recovery, calibration offset, and keypad lock (BM500/510)
- Wide voltage support (115V / 220V) with appropriate power ratings
- PID control for consistent temperature accuracy
Safety & Protection
- Bath protection covers on all models
- Overheat and overcurrent protection
- Sensor and heater failure detection (digital models)
- Micro switch prevents heating without water (BM510)
Included Accessories
- BM100/110: Bar thermometer (10–110°C) with immersion line
- BM302A: Spare fuses for main power and service outlet
- All other models ship ready to use—just add water