Yamato Scientific Water Bath (Precision Constant Temp., Programmable) BA400

Yamato Scientific Water Bath (Precision Constant Temp., Programmable) BA400

Yamato Scientific Programmable Precision Water Bath – Model: BA400

The Yamato BA400 is a high-capacity, precision-controlled programmable water bath designed for advanced laboratory heating applications. Built for accuracy, reliability, and versatility, this model features sophisticated PID control via a microprocessor, along with a dual-sensor system for excellent thermal regulation and overheat protection.

With a spacious 42-liter stainless steel and glass chamber, the BA400 is equipped for large-volume or multiple-sample experiments. It offers programmable operation with up to 30 steps in a single pattern or 15 steps in two patterns—ideal for complex and automated temperature workflows. Its enhanced 2.2kW SUS316 heater and powerful 30W magnet pump ensure rapid heating and excellent temperature uniformity throughout the bath.

Designed with user convenience in mind, the BA400 features a digital interface, advanced timer options, and comprehensive safety functions, including self-diagnostics, electric leakage protection, and overheating prevention.

Key Features

• Advanced PID Microprocessor Control: Ensures high-accuracy and stable temperature performance.

• Dual Sensor System: Combines Pt100Ω resistance thermometer and K-type thermocouple for precise temperature regulation and reliable overheat protection.

• Flexible Programmable Functionality: Supports 1 pattern with 30 steps or 2 patterns with 15 steps for complex temperature profiling.

• Wide Range Digital Timer: Programmable from 1 minute to 999 hours 50 minutes with auto start, auto stop, and quick auto stop features.

• Powerful Stirring System: 30W magnet pump ensures uniform heat distribution within the bath.

• User-Friendly Digital Display: Allows easy setting and monitoring of all functions.

• Robust Safety System: Includes self-diagnosis for heater issues, SSR shorts, sensor anomalies, and overcurrent; with electric leakage breaker and overheat protector.

• Large-Capacity Design: Offers a 42L bath volume with adjustable shelving to accommodate diverse sample types and sizes.

Specifications Yamato Scientific Water Bath (Precision Constant Temp., Programmable) BA400

• Model: BA400

• Item Code: 221154

• Operating Temperature Range: RT +5°C to 80°C

• Temperature Control Accuracy: ±0.02 to ±0.07°C

• Temperature Distribution Accuracy: ±0.3°C

• Max Temperature Reaching Time: Approx. 110 minutes

• Temperature Controller: PID microprocessor control

• Programmable Settings: 1 pattern (30 steps) or 2 patterns (15 steps each)

• Temperature Sensors: Pt100Ω (main control) + K thermocouple (overheat protection)

• Temperature Setting/Display: Digital

• Heater: 2.2 kW SUS316

• Timer Range: 1 min – 999 hrs 50 mins

• Overheat Protection: Controlled via microprocessor ON/OFF

• Safety Devices:

  • Self-diagnostic functions (heater disconnection, SSR short circuit, abnormal sensor, overcurrent)

  • Electric leakage breaker

  • Overheat protector

• Stirring Method: Pump stir using 30W magnet pump

• Internal Dimensions (W×D×H): 400 × 350 × 300 mm

• External Dimensions (W×D×H): 590 × 410 × 367 mm

• Window Dimensions: 340 × 215 mm

• Shelf Pitch: 30 mm

• Number of Plates: 5 pcs

• Drain Hose: φ15 × 20 mm

• Included Accessories:

  • 1 shelf plate

  • 2 clamps

  • 1 stand

  • 2 clamp holders

  • 1 tube connector

  • 1 drainage cap

• Optional Accessories: Vessel holder, viscometer holder, external circulating pump, cooling coil, water bath cover

• Bath Capacity: Approx. 42 liters

• Power Supply: AC220V, 11A, single phase

• Weight: 25 kg

Summary

The Yamato BA400 Programmable Water Bath delivers precision, performance, and expanded capacity for laboratories that demand consistent temperature control and automation. With intelligent PID control, high-capacity chamber, and advanced safety functions, the BA400 is an ideal choice for research, quality assurance, and industrial laboratory applications.

Key Selling Points

Precise PID control with high thermal stability
Programmable multi-step temperature patterns (1×30 or 2×15 steps)
Large 42L chamber for high-volume applications
Dual-sensor monitoring and built-in safety protections
Easy-to-use interface with digital settings and timer
Complete with essential accessories and optional enhancements for versatile use