Oil Bath Digital 5 L, 100-115V vs Yamato BM-401 Digital Constant-Temperature Water Bath, 7 L / 115 V
Which should you choose?
- ▸If budget is the priority, Oil Bath Digital 5 L, 100-115V is the lower-cost option; Yamato BM-401 Digital Constant-Temperature Water Bath, 7 L / 115 V lists higher and typically adds capability or capacity.
Specifications side by side
| Spec | Oil Bath Digital | Yamato BM-401 Digital |
|---|---|---|
| Type | Economy constant-temperature oil bath, flat-bottom, digital PID | Digital constant-temperature water bath |
| Class | Capital — durable bench heating instrument | — |
| Heater | 1000 W aluminum sheathed heater | — |
| Weight | ~4.5 kg | — |
| Exterior | PBT (fiber-glass reinforced) | — |
| Bath reservoir | Stainless steel (flat-shaped, no internal heater/sensor) | — |
| Control system | PID control, Pt100Ω sensor, white LED digital display (1 °C min. digit) | PID by microprocessor; digital ▲/▼, LED, 1 °C resolution |
| Service outlet | 2 A | — |
| Voltage / power | 100-115V, 10-12 A, 15 A fuse (200-230V sibling = BO-312A) | — |
| Reservoir capacity | ~5 L (φ240 mm ID) | — |
| External dimensions | φ262 mm (max. D286) × H240 mm | W310 × D360 × H230 mm; approx. 7 kg |
| Temperature accuracy | ±2.0°C | — |
| Temperature control range | Room temp. +10°C to 180°C | — |
| Model | — | Yamato BM401 — BM-series economy water bath |
| Safety | — | Bath protection cover; self-diagnostics; circuit protector; thermal fuse |
| Drainage | — | Equipped with drain |
| Power source | — | AC115V, 11 A (50/60 Hz single phase) |
| Bath capacity | — | ~7 L |
| Heater / sensor | — | SUS316 pipe heater, 1 kW / K thermocouple |
| Control accuracy | — | ±1 °C (at 60 °C) |
| Country of origin | — | Japan |
| Operation functions | — | Fixed temperature, auto start, auto stop, quick auto stop |
| Additional functions | — | Calibration offset, power-failure recovery, keypad lock |
| Operating temperature range | — | RT +5 to 95°C |
Highlighted rows differ. Specs are sourced from manufacturer documentation.
FAQ
- What's the difference between the Oil Bath Digital 5 L, 100-115V and the Yamato BM-401 Digital Constant-Temperature Water Bath, 7 L / 115 V?
- The main differences are in Type, Class, Heater. The table above shows every spec side by side; the decision guide highlights which fits which use case.
- Which should I buy?
- If budget is the priority, Oil Bath Digital 5 L, 100-115V is the lower-cost option; Yamato BM-401 Digital Constant-Temperature Water Bath, 7 L / 115 V lists higher and typically adds capability or capacity.
- Do both carry a warranty?
- Yes — both are sold through Legacy Lab Supplies as an authorized distributor and carry full manufacturer warranty.
Still deciding? Our team compares options with you — no pressure.