Immersion Type Water Bath?s Temp. Controller. Various Functions from "Fixed Temp. Operation" to "Programmable Operation". Data Output, External Communication, etc. are available as Option. Specifications Type Basic Type Multi Function Type Oil/Water Compatible Type Model BF200 BF400 BF500 BF600 Performance Temp. Setting Range -20.0 to 100deg.C 0 to 200deg.C Operating Temp. Range Room Temp. +5 to 80deg.C Room Temp. +5 to 180deg.C*1 Temp. Control Accuracy 0.05 to 0.1deg.C 0.02 to 0.05deg.C 0.05 to 0.2deg.C*1(*1 Condition: Setting Temp. 100deg.C, Testing Bath BZ100D, Silicon Oil Stickiness 50cst) Components Stirrer Propeller Stirring Water Jet Stirring Propeller Stirring Heater Stainless Pipe Heater 1.0kW 1.2kW Temp. Control System PID Control by Micro Computer Temp. Setting Digital Setting by Key Temp. Display Digital Display by Green LED Min. Digit Indication: 0.1deg.C Min. Digit Indication: 1deg.C Setting Temp./ Measured Temp. Changeable Indicated on Main Indicator(Sub-indicator: Indicate Setting Temp.) Timer Nil 1min. to 99h.59min. or 100h. to 999h. Timer Resolution Nil 1min. or 1h. Operating Function Fixed Operation Fixed Operation: Continuous Operation by Set Temp., Quick Automatic StopProgramming Operation: 1 to 3 Optional Pattern, Max. 5 Segment Pattern (Repeating, Gradient Operation) Additional Function Temp. Pre-setting(Memory/Recall 1Temp.) Temp. Pre-setting (Memory/Recall 10 Temp.)Timer Function (to 49,999h.), Key Lock Function, Water Jet Strength Changeable Function (10 steps Changeable) N/A Pump Jet Angle Changeable N/A N/A N/A Temp. Output (10mV/deg.C),External Alarm Output,Time ?up Output, External Communication Function (RS422A) N/A Heater Circuit Control Triac Zero-cross Type Sensor Thermister Pt Sensor Safety Device Safety Countermeasure Shelf Diagnosis Function (Automatic Overheat Prevention, Abnormal Temp. Sensor,Heater Wire Broken*2, Triac Short Circuit*2, Main Relay Defect*2), Circuit Protector, Float Type Empty Boiling Preventor, Buzzer Alarm for Abnormal Condition (*2: This Function is Not Applicable for BF200) Accessories Testing Bath Model BY100 (Polypropylene) Standard External Dimension W140 x D138 x H305mm Clamp Available Thickness Max. 35mm Power Source AC 100V 50/60Hz 11A AC100V 50/60Hz 13A Weight Approx. 7kg Model BF200 BF400 BF500 BF600 Digital Setting/Display Temp. Pre-setting Programming Function - Water Jet Strength Changeable Function - - Propeller Stirring - - External Output, Communication Function, etc. - - - Oil Temp. Control - - -