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WATER BATH
BM100
BM200
(100V)
First Edition
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Thank you for your Yamato Scientific BM series Water Bath purchase.
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For proper use of this unit, please read the instruction manual and warranty thoroughly before
operation. Keep both for any future references.
Read and apprehend important warnings in this
instruction manual prior to use.
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Table of Contents
1. Specifications..................................................................................................................................... 1
2. Safety Information ..........................................................................................................................2-5
Safety Symbols…………………………………………………………………………..2
Safety Precautions…………………………………………………………………….3-4
Hazardous Materials…………………………………………………………………….5
3. Identification of Parts.....................................................................................................................6-9
BM100…………………………………………………………………………………….6
BM200…………………………………………………………………………………….7
Sample : Combined with RE200……………………………………………………….8
Sample : Combined with RE500……………………………………………………….9
4. How to Operate ................................................................................................................................ 10
How to operate………………………………………………………………………….10
Operation after restoration from power failure………………………………………10
5. Maintenance..................................................................................................................................... 11
Daily maintenance……………………………………………………………………...11
When you do not use the unit for a long period of time, or dispose of it…………11
When you suspect “trouble”?…………………………………………………….……11
6. After Sale Service and Warranty .................................................................................................... 12
Request for Repair……………………………………………………………………..12
7. List of Exchange Parts.................................................................................................................... 13
8. Wiring Diagram ................................................................................................................................ 14
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1. Specifications
Model BM100 BM200
Temp. range during operation
Temp. setting range
Accuracy of temp. adjustment *2
Control system ON/OFF control
Set-up system Analog set-up
Display system Thermometer
Operation function Operation at fixed point
Extra function No extra function
Thermoregulator Liquid-operated thermoregulator
Material SUS316 pipe heater
Heater
Capacity 500W 1kW
Power switch Paddle switch
Power lamp Lit when power is on
Others
Safety device Protection from overcurrent (fuse), Thermofuse
Room temp. +5℃ ~ 95℃ *1
at 60
℃
℃
Service outlet for RE
0℃ ~ 100
±±±±2℃
‑
‑
Drain (with plug)
Tank
External dimensions
Required power source
Standard accessories
*1 In case of unloaded operation of bath only. The maximum temperature varies on circumst ances
and operational conditions.
*2 It shows the performance under rated power supply at the room temperature of 23
humidity of 65%
*3 It does not include projection parts.
Capacity 4 ml 7 ml
Φ
Dimension *3
(W×D×H)
Weight 7.7lb (3.5kg) 13.3lb (6kg)
Liquid used Water
±±±±
20%.
*3
200×Depth 120 (mm)
240×300×150 (mm) 310×360×230 (mm)
AC100V
●
●
●
●
±±±±
10% 50/60Hz 5 A AC100V
Bar Thermometer
(‑10℃〜110℃ with immersion line) 1
Fuse ( BM100 7A, BM200 15A ) 1
Instruction manual 1
Warranty 1
Φ
240×Depth 150 (mm)
±±±±
10% 50/60Hz 10A
℃±±±±5℃
and with
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2. Safety Information
Safety Symbols
Graphic indications
This instruction manual and our products apply various indications for safety. Ignoring these
indications can cause such situations as listed below. Read and understand the following warning and
caution signs in this manual prior to use.
WARNING
CAUTION
(Note 1) Serious injur y : Bodily harm by electric shock, bone fracture or poisoning which may require
hospitalization.
(Note 2) Injury : Bodily harm by electric shock, bone fracture or poisoning which may not require
hospitalization.
(Note 3) Damage : Any damage on equipment, facility, structure, etc.
Indicates the possibility of serious or fatal injury (Note 1).
Indicates the possibility of injury (Note 2) or damage (Note 3) to the
equipment.
Meaning of Graphic Indications
Shows warning or caution.
Specific contents are described aside each sign.
Shows users important information not to do.
Specific contents are described aside each sign.
Shows users important information sure to do.
Specific contents are described aside each sign.
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Safety Information
Safety Precautions
Do not use this unit for any purpose other than its intended use, described in
this manual.
Do not use this unit in flammable or explosive gas environments.
This unit is not explosion proof. Never use this unit in flammable or explosive gas environments.
Never fail to ground the unit.
This unit uses a 3-core power cord (including ground wire). Be sure to ground the unit for safety.
Do not use this unit if a malfunction occurs.
If smoke or any strange odor should dis burse from this unit, turn the power off im mediately and
pull out the main power cord. Then contact Yamato Scientific. Neglecting this procedure can
result in fire or electric shock. Never try repairing the unit yourself.
Do not bundle the power cord.
Overheat or fire can occur if the power cord is bundled or if an object is on the cord.
Do not damage the power cord.
Forcible bending, pulling wrenching or extending the power cord can cause fire or electric shock.
Do not use any explosive or flammable heat medium.
Be sure to use water as heat medium.
Never use any explosive or flam mable substances or s uc h c ompounds as a heat m edium which
could cause an explosion or fire.
Avoid water contact.
To avoid electric leak or shock, avoid direct contact with water.
Do not heat with low water.
If you operate this unit with low water, fire can be caused by overheating.
Do not disassemble or remodel the unit
To avoid fire or electric shock, never try disassemble this unit.
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Safety Information
Safety Precautions
If it begins to thunder…
If it begins to thunder, turn both the breaker and the m ain power off. Neglecting this procedur e
can result in fire, electric shock or other troubles due to thunderbolts.
Indication of temperature and operational range.
This unit is not equipped with a stirring f unction. Therefore, the maximum temperature varies
according to the environments or operational conditions. This unit does not necessarily reach the
maximum operational temperature under such environments as low temperature, windy or
highland areas.
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Safety Information
Hazardous Materials
Hazardous material are listed below. Never use these materials as samples or
heat media.
Nitroglycol, Nitroglycerin, Nitrocellulose, and other explosive nitric
esters.
Trinitrobenzene, Trinitrotoluene, Picric ac id, and other explosive nitro
compounds.
Peracetic acid, Methyl ethyl ketone peroxide, Benzoyl peroxide, and
other organic peroxides.
Sodium azide, and other metallic azides
Metallic lithium, Metallic potassium, Metallic sodium, Yellow
phosphorus, Phosphorus sulfide, Red phosphorus, Celluloid, Calcium
carbide, Lime phosphate, Magnesium powder, Aluminum powder,
and other combustible metal powders and sodium dithionite
(hydrosulfite).
Potassium chlorate, Sodium chlorate, Ammonium chlorate, and
other chlorates.
Potassium perchlorate, Sodium perchlorate, Ammonia perchlorate,
and other perchlorates.
Potassium peroxide, Sodium peroxide, Barium peroxide, and other
inorganic peroxides.
Potassium nitrate, Sodium nitrate, Ammonia nitrate, and other
nitrates.
Explosive
Explosive
Substance
Combustible
Substance
Oxidant
Flammable
Ignitable
Substance
Combustible
Gas
Sodium chlorite and other chlorites.
Calcium hypochlorite and other hypochlorites.
Ethyl ether, Gasoline, Acetaldehyde, Propylene Oxide, Carbon
disulfide, and other flammable substances with a flash point below
minus 30ºC.
Normal hexane, Ethylene oxide, Acetone, Benzene, Methyl ethyl
ketone, and other flamm able substances with a flash point between
minus 30ºC and 0
Methanol, Ethanol, Xylene, Pentyl acetate (amyl acetate), and other
flammable substance with a flash point between 0ºC and 30ºC.
Kerosene, Light oil, Turpentine oil, Isoam yl alcohol, Acetic acid, and
other flammable substances with a flash point between 30ºC and
65ºC
Hydrogen, Acetylene, Ethylene, Methane, Ethane, Propane, Butane
and other flammable gas at 15℃ degree and under 1 atmosphere.
o
C.
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BM100
3. Identification of Parts
BM100
Thermometer
Power Switch
Power Lamp
Temperature Dial
Fuse
Power Cord
Thermometer Holder
Sensor
Heater
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BM200
Identification of Parts
BM200
Thermometer
Power Switch
Drain Plug
Power Lamp
Service Outlet
Fuse
Heater
Temperature Dial
Power Cord
Thermometer Holder
Sensor
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Combination with RE200
Identification of Parts
Sample : Combined with RE200
Drawing 2Drawing 1
According to the position or space to set the bath and the body, the arm jack can be set in the front
(drawing 1)or on the right side (drawing 2) as shown above.
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Combination with RE500
Identification of Parts
Sample : Combined with RE500
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How to operate
4. How to Operate
How to operate
Power Lamp
Temperature Dial
1. Pour adequate water (3000ml for BM100, 5000ml for BM200) into the tank, and place a thermometer
in the holder.
2. Connect the unit securely to a power source with AC100V. Never fail to ground the unit. Then set the
temperature dial to the temperature to operate and turn on the power switch. The power lamp is lit
when the power is on.
3. The temperature scale shows an approxim ate figure. When the temperatur e rises close to the set
point, read the thermometer to adjust the temperature. Since there are some differences from the set
point the first time, check if the current temperature accords with the degree to operate.
This unit does not have a stirring function and the tank tem perature varies . We recomm end you to use
any stirrer (our Lab. Stirrer etc.,) together with this unit.
Operation after Restoration from Power Failure
After restoration from power failure, the unit will re-start operation up to the temperature last set.
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5. Maintenance
Daily maintenance
Do not disjoint the unit
Never remodel the unit. There are some highvoltage areas inside the unit, which could cause
electric shock. Request Yamato Scientific for
internal check, adjustment or repair.
For maintenance
For your safety, be sure to turn the power switch off (on the right side) and pull the power cord out
for maintenance. You m ust wait until the inside temperature of the unit goes down to normal.
Wipe off any or excess dirt on the packing and the operation panel with a soft dry cloth. Do not
use benzine, thinner or cleanser to wipe or scrub with a brush. This could cause change in shape,
quality and color.
When you do not use the unit for a long period of time, or
dispose of it
When the unit is not in use for a long period of time.
Turn the power switch off and pull the power cor d out f or saf ety, when the unit is not use f or a
long period of time. Be sure to drain the tank.
When you dispose of the unit
Do not leave the unit in child playground etc., on disposal.
When you suspect “trouble”?
Situation Make Sure
The power lamp on the panel is not
lit when the power switch is on.
The temperature does not r ise or is
different from the set value when
the power lamp is on.
If you have any question, contact Yamato Scientific.
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If the power cord is connected firmly to an outlet
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If there is no power failure
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If the fuse blows
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If the temperature setting knob is fixed tightly
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6. After Sale Service and Warranty
Request for Repair
When you request repair
If any troubles should occur, stop the operation immediately, turn the power off, pull the power cord out
and contact Yamato Scientific’s Technical Service Department.
Necessary information
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Model Number
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Serial Number
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Date of Purchase
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Distributor Name
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Information on difficulties
Be sure to show the warranty when the service man visits you.
Warranty
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Keep your warranty card for future references. Check the name of the distributor, date of purchase
and any other contents of warranty.
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The terms of the warranty is one year limited commencing the date of purchase. Repair is made
without charge according to the contents of warranty.
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As for repair after expiration of the warranty period, consult the seller or our service office. As long as
the function of the unit is maintained by repair, upon your request, we will repair it with charge.
Minimum period to keep repair parts in stock
Minimum period to keep repair-parts in stock is 7 years after the production stop. The repair parts
means any necessary parts to maintain the performance of the unit.
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7. List of Exchange Parts
Name of Parts Parts Number Application Specification
Fuse 2100010013 BM100
Fuse 2100060001 BM200
Thermometer 5020016003 BM100/200
Drain Plug 7320016005 BM200
O-Ring 4210026020 BM200 P12.5 Baiton
F7161 Φ6.4×30 125V 7A
MF61NR15 Φ6.35×31.8 250V 15A
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BM100
BM200
8. Wiring Diagram
Symbol Name of Parts Symbol Name of Parts
F Fuse S Service Outlet
H Heater SW Power Switch
LN Power Lamp T Terminal
P Power Plug TCS Thermoregulator
TF Thermofuse
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