Contents Declaration of Conformity 1. Safety Instructions 2. Unpacking 3. Installation 4. Correct use 5. Operation 6. Calibration 7. Faults 8. Maintenance and Cleaning 9. Technical Data 10. Warranty Please read the operating instructions in full before starting up and follow the safety instructions. The appearance and specifications are subject to change without notice.
DECLARATION OF CONFORMITY Four E’s Scientific water baths meet the requirements of international safety standard IEC61010-1:2001 “Safety requirements for electrical equipment for measurement, control, and laboratory use”...
1. SAFETY INSTRUCTIONS Read the operating instructions in full before starting up and follow the safety instructions. Socket must be earthed (protective ground contact) before use. • Water must be filled into the chamber before power-on. • Avoid operating the bath without water. •...
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WB101 ① ② ③ ④ ⑤ Transparent lid Stainless-steel chamber LED display ① ② ③ Water bath Base tray ④ ⑤ WB201 ① ② ③ ④ ⑤ ⑥ Transparent lid Cover board Stainless-steel chamber ① ② ③ LED display Water bath Base tray ④...
3. INSTALLATION 3.1 Assembly of the equipment and components The water bath has three main components, the bath, the lid and the base tray. The base tray fits into the bath with the feet downward so that it creates a gap between the bottom of the chamber and the tray.
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alarm. If theprotection program fails to detect the dry-heating, built-in safety temperature cut-out switch will cut off the heating to protect the water bath when heated to a certain temperature . Note: The dry-start protection program is on by default. If you need to turn it off, please refer to 5.8.
5. OPERATION 5.1. Bath controls ⑥ ⑦ ⑧ °C °F ① ② ③ ④ ⑤ ① Preset program ② Over-temperature alarm key ③ Run/Stop ④ Set ⑤ Heating indicator ⑥ ℃ indicator ⑦ ℉ indicator ⑧ Alarm indicator 5.2. Run/Stop When it is displayed OFF, the water bath is in unheated status.
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5.3. Heating temperature setting Method 1: Directly press to enter the temperature setting as following steps: For example: the current temperature is 37.0°C, and set the temperature 50.0°C Operation Display Directly set the heating temperature you 50.0 require Press the set key to save the value then 37.0 exit, it displays the current temperature/OFF Method 2:...
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5.4. Configuring and running temperature presets The bath has 3 presets: . Temperature presets allow P1 P2 P3 you to conveniently store or run bath temperature settings for you routinely use. Before you can use presets, you need to store the values you wish to use in at least one of the presets as the following procedures: For example: configuring the preset P1, the current temperature is 37.0°C, preset...
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Operation Display Select the menu option; Navigate to the switching °C/ °F selection menu option Press the set key to enter °C/ °F switching Switch to °F; C stands for °C, and F stands for°F Press the set key to save the setting, it displays the current temperature/OFF.
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• Set the over-temperature alarm limited temperature to above the water temperature, and the alarm will be turned off. 5.7. Setting the countdown timer The countdown timer range is 1~999 min After the countdown is over, an alarm will sound three times and the heating will stop, “OFF”...
Press key to save the setting The countdown timer will begin once you save the setting The setting will exit automatically after 5S without operation 5.8. Setting the dry-start protection alarm When the dry-start protection function is on, the bath will stop heating and an alarm will sound when the system detects that the inner chamber is in dry-start status.
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6.2. Dual point calibration Due to the influence of ambient temperature, humidity, and pot structure, the water bath has a certain deviation in temperature measurement. In order to improve the measurement and control accuracy, each single instrument is calibrated before shipment. Includes two calibration options -- low temperature point and high temperature point.
Operation Display Select the menu option Select the high temperature point calibration setting menu option Press set to enter the calibration value Enter the reference thermometer value Press to store the calibration value The setting will exit automatically after 5S without operation Leave the bath to stabilize and check the calibration...
9. TECHNICAL DATA Model WB101 WB201 Input 200-240VAC,50/60HZ 200-240VAC,50/60HZ 100-120VAC,50/60HZ 100-120VAC,50/60HZ Power[W] Heating temperature range [℃] Room temp. +5~99 Room temp. +5~99 (under standard atmosphere) Temperature stability [℃] ±0.5 ±0.5 Temperature display accuracy[℃] Time setting range[min] 1-999 1-999 Dimensions(W x H x D)[mm] 252*188*285 394*188*285 Reservoir capacity[L]...
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