SINCE 1889 Yamato Scientific Co.,Ltd.
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Precision Low Constant Temperature Water Bath, "Thermo-Elite"
BH201/301
These models have already been discontinued and replaced by the successive model "BH302".
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Model
201 301
Operating temp. range
-20deg.C to +80deg.C -25deg.C to +80deg.C
Temp. Distribution Accuracy
±0.01 (at 20deg.C)
Bath Capacity
Approx. 13L Approx. 30L

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  • The Wider Temp. Range. Suitable for Constant Temperature Test
  • Powerful Circulation Pump can perform the better external circulation for Analytical Equipment, etc.
  • Various Support Functions
  • External Circulated Water Temp. can be controlled precisely by fixing External Sensor.
  • Control Panel is Removable with Communication Cable for the Remote Control. (Communication Cable is Optional.)

Specifications
Model BH201 BH301
Performance
Circulation Type Water Jet Pump Cooling Circulation/Closed System
Operating Temp. Range -20 to +80deg.C -25 to +80deg.C
Temp. Adjustment Accuracy ±0.01deg.C (at 20deg.C)
Temp. Indication Unit 0.1deg.C
Cooling Capacity Approx. 325W (280kcl) at Liquid Temp. 20deg.C Approx. 600W (516kcl) at Liquid Temp. 20deg.C
Component
Refrigerator/Coolant 250W, Closed Air Cooling Type Rotary, R134A 250W, Closed Air CoolingType Rotary, R404A
Pump Max Flow Rate 14/16L/min (50/60Hz)
Pump Max. Lift 2.8/3.4m (50/60Hz)
Heater 1kW
Surrounding Operation Temp. Range 5 to 30deg.C
Controller
Temp. Control System PID Control by Micro Computer
Temp. Setting/Display Digital, LED Display, Fluorescent Display Tube Type Guide Display
Temp. Sensor Pt Sensor, Pt100Ω (for Temp. Control) + K-thermocouple (for Overheat Prevention) , Double Sensor
Timer 1min. to 99hrs.59min., 100hrs. to 999.9hrs., Time Change Setting Function
Operating Function Fixed Temp. Operation, Fixed Time Automatic Stop Operation, Quick Automatic Stop Operation, Fixed Time Automatic Start Operation, Programming Operation (Max. 99 steps, Repeating, Gradient Operation), Programming Automatic Start Operation
Safety
Safety Countermeasure Electric Leakage Breaker for Over Current Protection, Refrigerator Over Load Relay, Refrigerator Pressure Detector, Float Switch for Empty Boiling Prevention, Refrigerator Protection-Delay Timer Function, Automatic Overheat Prevention, Independent Overheating Prevention
Other Function Drain Cock, Filer for Condenser, RS485 Communication Function, Temp. Output Terminal, Alarm Output Terminal, Time-up Output Terminal, Key Rock Timer Function, Calibration Off Set Function, Breakout Protection Function.
Standard
Water Bath Dimension W389 x D226 x H150mm W296 x D501 x H200mm
Capacity 13L 30L
Effective Water Bath Dimension W154 x D190 x H136mm W238 x D335 x H184mm
External Dimension W654 x D492 x H620mm
(Water Bath Height 316)
W385 x D590 x H1,150mm
(Water Bath Height 850)
Power AC100V50/60Hz13A AC100V50/60Hz14A
Weight Approx. 47kg Approx. 60kg
Accessory Connection Port for External Circulation Hose (R1/2 φ14), 2pcs.

Program Controller
Program Controller BH201/301 *
Control Panel is Detachable. Have to install Optional Item "Remote Control Power Source" in case Communication Cable Length is more than 5m.
 
*Back Side
Back Side BH201/301

Optional items
Remark Description Model No. Product Code
  Circulation Insulation Hose, I.D. 12mm, Length 2m BH201/301 222088
  External Communication Adapter, RS485-RS232C (conversion) BH201/301 281388
  External Pt Sensor, Pt 100Ω, A-class, 3m, In Protection Tube BH201/301 281350
  Communication Cable foe Remote Control, Remote ControlPower SourcePanel Stand for Remote Control4 Lead 5m BH201/301 281397
Panel Stand for Remote Control BH201/301 281398
  Power for Remote Control, Out put DC5V  BH201/301 281399
Note:
The transportation cost will not be required if the order is together with main unit except the item marked "○".
In case you order the item marked "○" together with the main unit, please ask Yamato to obtain the correct transportation cost.
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Panel Stand for Remote Control
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Remote ControlPower Source