EYELA NTT-2100 User manual

NTT-2100
NTT-2200
V00
Instruction Manual
Thermo Regulating Bath
This manual is designed to use this unit safely with its best performance.
Please read this manual carefully, especially on
'Safety precautions'.
Please keep this manual in a place easily accessible to every user.
Tokyo Rikakikai Co., Ltd.
Important

Safety precautions
1. Signal word
Alert mark Definition
Warning Mishandling the product may cause users serious
personal injury or loss of life.
Caution Mishandling the product may injure users or cause
property damage.
Though we are trying to look into conceivable risk of using the product, it is very difficult for us to
expect all of it. It means that all the instructions in this
manual do not cover all the types of risks that may be caused by the product.
However, if you follow the instructions, you surely can handle and operate the product safely.
Please sue extreme care when handling this product and try to prevent all the potential accidents
and mechanical failures.
Due to this product's characteristics and
functions, some parts of the unit are subject
to high temperature and touching these
parts during operation may burn or injure
yourself. However, if you have proper
information before use, you can avoid
almost all these troubles.
Therefore, this manual categorizes the level
of importance and danger as below with
alert mark and signal word. Please follow
the instructions and use the product safely.
Signal word

2. Warning label
For highly priority danger, warning labels are attached on the specified position of
product body as shown below.
Please read it carefully and pay your full attention when operating the product.
* if you have any trouble reading the label because of worn-out and etc.,
please replace with new one. Please contact us if you require new label.

Thank you for choosing the products of .
Introduction
Table of contents
1. For safety operation ...............................
2. Outline
2-1 Application .....................................
2-2 Specifications .................................
2-3 Heating curve (Referable data) ......
2-4 Descriptions ...................................
2-5 Optional accessories .......................
3. Descriptions and functions of the control panel
3-1 Control panel .................................
3-2 Stationary operation and
Timer mode control ........................
3-3 Adjustment mode ...........................
3-4 Safety features and
alarm functions ............
4. Installation
4-1 Place to install ...............................
4-2 Requirements for
installation .....................................
4-3 Connecting to utility ....................
This instruction manual describes the procedures
of installation, operation, troubleshooting,
maintenance / checkup, and disposal for Thermo
regulating bath model NTT-2100 and NTT-2200.
Read this manual carefully before you start the
operation.
5. Operation
5-1 Preparation ..................................
5-2 Attaching optional accessories...
5-3 Operation ....................................
5-4 Operation for Adjustment mode...
6. Trouble shooting ................................
7. Maintenance and checkup
7-1 Test of switch .............................
7-2 Cleaning and care ......................
8. Disposal of unit .................................
9. After-sales Services .......................
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28
30
30
32
32
Packing list
Check the following items are bundled with each quantity
before your installation.
Main unit
Ground adapter
Bath (SB-9)
Protection cover
Instruction manual
1
2
3
4
5
NTT-2100 NTT-2200
1 1
11
1 1
1 1
1
1

1
Do not turn on the switch while holding the heater.
1For your safety operation
This unit subjects to high temperature.
Use extreme care when handling it.
Caution
If turning on the main power without setting the unit into the water
bath, the surface of heater may have high temperature and it may
incur burns on users. For its usage, please make sure to mount
the protection cover and then place the property of heater
completely into the water bath before turning on the switch.
●Highly heated portion

2
NTT-2100
NTT-
± 0.05 ~
6A, 0.6kVA
3.5kg
138W x 150D x 312H (Excluding any projection)
5 ~ 35°C
AC-100V 50/60Hz
11A, 1.1kVA
500W (SUS316L) 1kW (SUS316L)
7L / min
(50 / 60 Hz / water / high circulation)
1.2m / 1.5m
(50 / 60 Hz / water / high circulation)
± 0.1 ~
2
2-1 Use application
Outline
Warning
Do not remodel.
Do not use out of applications.
Remodeling or use out of applications may
cause an electric shock or mechanical troubles.
2-2 Specifications
This unit is applicable for wide variety of
experiments / examinations of reaction,
crystallization, synthesis, deposition of organic
steel, environmental tests of materials,
breakdown tests, endurance test, and such.
Room Temperature (RT) +5℃〜80℃(If you use a supplied bath, Max.
70°C) * 1 (If you use this with a cooling bath, -20〜RT+5℃)
Alarm function (Low water level, Over shoot, Control, Sensor),
Variable independent over temperature protector, Circuit protector
Changeable jet flow
Thermistor
Auto-tuning, Temperature calibration, Auto-stop 1, Auto-stop 2,
Auto-start, Selectable operation after power failure
Digital setting by membrane switch, digital read-out by 0.1°C
PID microprocessor control, SSR output
Model
Name of product
Heater output
Safety features
Temperature control
Temp. settings / indication
Additional functions
Temp. control accuracy
Temp. control range
Temperature sensor
Stirring method
Max. flow rate of
Max. head of circulation pump
circulation pump
Applicable ambient temp. range
Overall dimensions
Net weight
Power source input
Rated power source
(Possible external circulation)
Protection cover
Water bath
Anti-bacterial stainless steel-made
Self-extinguishing resin (Max. 70°C) 9L capacity
* 1 Use an anti-freeze solution when the temperature is 10°C or lower.
If you use at Room temperature + 5°C or lower, combine with other cooling unit such as an immersion
cooler or a cooling water circulator, etc.
* 2 The performance is shown at room temperature 20°C , 100V, 50Hz, using a supplied water bath filled
with 7L water without lid.
*2
Immersion type Thermo regulating bath
Propeller by stirring speed control

0
10
20
30
40
50
60
70
80
0 10 20 30 40 50 60
①
⑳
0
10
20
30
40
50
60
70
80
0 10 20 30 40 50 60 70 80 90
①
⑳
1) NTT-2100
Temperature
（℃）
2-3 Heating curve (Referable data)
Applied conditions : Ambient temperature : 20°C
AC100V 50Hz
Using a supplied water bath with lid
Slow stirring
Coolant medium : water (7L)
With no load
Center of bath
Room Temp.
2) NTT-2100
Temperature
（℃）
Applied conditions Ambient temperature : 20°C
AC100V 50Hz
Using a supplied water bath with lid
Slow stirring
Coolant medium : water (7L)
With no load
Time (min)
Time (min)
Center of bath
Room Temp.
Note :
The maximum temperature and a required time to heat depends on the applicable
ambient temperature, power source voltage, presence or absence of load.

2-4 Descriptions
Control panel
Protection cover
Heater
Propeller(NTT-2100)
Casing(NTT-2200)
Float switch
Setting dial for overheat stopper
and reset switch
Main power
Stirring control knob
Circuit protector
Over heat protection sensor
Fixing screw for protection cover
Temperature sensor
Protection cover
Clamp

2-5 Optional accessories
■
CC - 1 114250
ON - 1 114260
SBK - 1 196190
B - CRAMP 196180
TB - 1 114210
SB - 6 164510 5.5 260W×150D×150H 305W×195D×198H
SB - 11 114650 10 281W×222D×150H 330W×270D×190H
SB - 15 164520 16 298W×274D×150H 390W×370D×200H
SB - 24 114630 24 507W×302D×160H 573W×362D×195H
■
■
■
■
■
Model Cat. No.
Model Cat. No.
Model Cat. No.
Model Cat. No.
Model Cat. No.
Model Cat. No. Capacity Valid inner dimensions in mm Overall dimensions in mm
Water bath
The following optional water baths are applicable for each required water quantity except a supplied
standard bath. The interior of each bath is stainless steel SUS 304- made.
Bath rack
Enables the bath depth change when a small container is placed in the
bath.
Bath clamp
Necessary when fixing this unit into an optional water bath.
Bath lid
Reduces the evaporation of bath water and the influence of the room air
when the unit is used at high temperature or for a long time.
External circulation nozzle (NTT-2200)
Applicable to circulate the heated bath water to the
external jacket or coil.
Cooling coil
Applicable to circulate cooling water for controlling the
bath water at the room temperature or lower.
Refer to [5-2 Attaching optional accessories] for how to attach / to use.

Lights up when preset temp. / timer display mode is on.
.Functioning for start and stop of the control operation.
Available only with displaying the preset values. Every single press of the key
deducts 0.1℃(1 min.) in case of any preset numerical values. Then, holding
down the key makes sequential deduction possible. Also, every 1.0℃(10
min.). deduction is made possible by holding down the key for longer than 3
sec. In case of presetting with characters, the characters are switchable
Available only with displaying the preset values. Every single press of the key adds
0.1℃(1 min.) in case of any preset numerical values. Then, holding down the key
makes sequential addition possible. Also, every 1.0℃(10 min.). addition is made
possible by holding down the key for longer than 3 sec. In case of presetting with
characters, the characters are switchable.
Functions to switch to measured / preset values. When alarming, with
this key the displayed alarming mode / numerical characters can be cancelled.
Shows the temperature, time, set character, and alarm mode.
Lights up while displaying time. Flashing while counting time.
Lights up on when temp. display mode is on.
Flashing while controlling (or, while not counting time).
Lights up when Auto start is selected.
Flashes once switched to timer display during Auto start in control.
Lights up when Auto stop 2 (for timer priority) is selected.
Flashes once switched to timer display during Auto stop 2 in control.
Lights up when Auto stop 1 (for temp. priority) is selected.
Flashes once switched to timer display during Auto stop 1 in control.
Flashes while tuning automatically.
Lights up when heater is turned on.
Flashes when alarming.
Switches the timer mode by every pressing.
┌───────────────────────────────┐
└→ Stationary operation→Auto stop１→Auto stop２→Auto start ──┘
Run/Stop key
▼key
▲key
Set key
Mode key
Display
Time LED
Temperature LED
Set (Preset) LED
Auto start LED
Auto stop ２LED
Auto stop １LED
Heater LED
Auto tuning LED
Alarm LED
FunctionNameNo.
1
2
3
h.m
SV
PV
Alarm
Heating
Auto Tuning
Auto stop1
Auto stop2
Auto start
℃
Run
Stop
Mode Set ▼
▲
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3Descriptions and functions of the control panel
3-1 Control panel