INSTRUCTION MANUAL
Logger Series
3631-20 HUMIDITY LOGGER
3632-20 TEMPERATURE LOGGER
3633-20 TEMPERATURE LOGGER
3634-20 INSTRUMENTATION LOGGER
3635-24,25,26 VOLTAGE LOGGER
Contens
Introduction i
Inspection
Safety Notes
Notes on Use
i
ii
v
Chapter 1 Overview
Chapter 2 Set Up
2.1 Replacing the Battery
2.2 Power Save Function
2.3 Setting Current Time
2.4 Connecting Sensor and Cable
Chapter 3 Settings
3.1 Setting Items
3.2 Manual Setting
3.3 Setting by COMMUNICATION BASE
3.4 Connecting COMMUNICATION BASE
with Logger
Chapter 4 Specifications
Chapter 5 Maintenance and Service
1
5
5
7
9
10
15
15
18
20
21
23
35
__________________________________________________
Introduction
Thank you for purchasing the HIOKI 3631 to 3635
Logger Series. To obtain maximum performance
from the product, please read this manual first, and
keep it handy for future reference.
Inspection
When you receive the product, inspect it carefully to
ensure that no damage occurred during shipping.
If damage is evident, or if it fails to operate
according to the specifications, contact your dealer
or Hioki representative.
General accessories
Instruction Manual
LR03 alkaline battery x 2
(built into this unit, for monitor)
Designated accessory for each logger
3631-20 9630 HUMIDITY SENSOR
3634-20 9632 CONNECTION CABLE
3635-24
3635-25
3635-26
9632 CONNECTION CABLE
i
_____________________________________________
Inspection
ii
__________________________________________________
Safety Notes
This manual contains information and warnings
essential for safe operation of the product and for
maintaining it in safe operating condition. Before
using the product, be sure to carefully read the
following safety notes.
WARNING
This product is designed to conform to IEC 61010
Safety Standards, and has been thoroughly tested
for safety prior to shipment. However,
mishandling during use could result in injury or
death, as well as damage to the product. Be
certain that you understand the instructions and
precautions in the manual before use. We
disclaim any responsibility for accidents or
injuries not resulting directly from product
defects.
_____________________________________________
Safety Notes
__________________________________________________
iii
Safety symbols
･ The symbol printed on the product
indicates that the user should refer to a
corresponding topic in the manual
(marked with the symbol) before using
the relevant function.
･ In the manual, the symbol indicates
particularly important information that the
user should read before using the
product.
Indicates DC (Direct Current).
The following symbols are used in this Instruction
Manual to indicate the relative importance of
cautions and warnings.
WARNING
presents a significant hazard that
could result in serious injury or
death to the user.
Indicates that incorrect operation
CAUTION
Indicates that incorrect operation
presents a possibility of injury to the
user or damage to the product.
_____________________________________________
Safety Notes
iv
__________________________________________________
Measurement categories (Overvoltage categories)
This product complies with CAT I safety requirements.
To ensure safe operation of measurement product, IEC 61010
establishes safety standards for various electrical
environments, categorized as CAT I to CAT IV, and called
measurement categories. These are defined as follows.
CAT I Secondary electrical circuits connected to an AC
CAT II Primary electrical circuits in equipment connected to
CAT III Primary electrical circuits of heavy equipment (fixed
CAT IV The circuit from the service drop to the service
electrical outlet through a transformer or similar
device.
an AC electrical outlet by a power cord (portable
tools, household appliances, etc.)
installations) connected directly to the distribution
panel, and feeders from the distribution panel to
outlets.
entrance, and to the power meter and primary
overcurrent protection device (distribution panel).
Higher-numbered categories correspond to electrical
environments with greater momentary energy. So a
measurement device designed for CAT III environments can
endure greater momentary energy than a device designed for
CAT II. Using a measurement product in an environment
designated with a higher-numbered category than that for
which the product is rated could result in a severe accident,
and must be carefully avoided.
Never use a CAT I measuring product in CAT II, III, or IV
environments. The measurement categories comply with the
Overvoltage Categories of the IEC60664 Standards.
_____________________________________________
Safety Notes
__________________________________________________
v
Notes on Use
Follow these precautions to ensure safe operation
and to obtain the full benefits of the various
functions.
CAUTION
･ The unit should always be operated in a range from
-20 ℃ to 70 ℃ and 80 %RH or less.
･ The 9630 HUMIDITY SENSOR should be replaced
every year. You are recommended to replace it
twelve months after opening the package.
･ If used outside the specified environmental ranges
for operation (or storage), the sensor accuracy may
deteriorate in less than one year, and accurate
measurement may not be possible.
･ If used outside the specified environmental ranges
for operation (or storage), the operation of the unit
cannot be guaranteed.
･ When the 9630 HUMIDITY SENSOR is not being
used, seal it in a plastic bag with a desiccating
agent, and store in a dark, cool place.
_____________________________________________
Notes on Use
vi
__________________________________________________
CAUTION
･ Take care to avoid condensation. In particular, if
there is a sudden change of temperature (for
example moving from a cold place to a warm one),
condensation is likely to occur.
･ To avoid damage or malfunction, avoid excessive
force on the tip of the 9631 Temperature Sensor
series or overly bending the leads.
･ Do not dip the unit in liquids (water, alcohol, etc.).
･ Avoid use in an atmosphere containing corrosive
gases or the vapor of organic solvents.
･ Testing monitor batteries installed in the unit may
possibly be weak. Replace batteries before
extended measurement usage.
･ Use the original packing materials when reshipping
the product, if possible.
･ Use only LR03 Alkaline batteries. Using manganese
batteries may not result in accurate measurements
or proper communication with the Communication
Base.
･ Avoid directly exposing the optical communication
port in the data logger to light sources powered by
AC voltage such as fluorescent lighting - doing so
may cause the instrument to malfunction.
Depending on the luminosity of the lighting, as
much as possible stay away from the light source
or cover the optical communication port when using
the logger.
_____________________________________________
Notes on Use
__________________________________________________
1
Chapter 1
Overview
Logger series enable measurement and
recording at fixed intervals.
Data is saved in nonvolatile memory when
batteries are weak or removed for replacement.
Logger series products are designed for various
types of recording shown below. For details,
see each product specification.
3631-20 Temperature and Humidity
3632-20 Temperature (internal sensor)
3633-20 Temperature (external sensor)
3634-20 Instrumentation sensor (4-20 mA)
3635 Voltage output sensor compatible
In use with HIOKI measurement instrument
analog output
3635-24: 3423
3635-25: 3404, 344 4, 3445
compatible
3635-24 (±500 mVDC)
3635-25 (±5 VDC)
3635-26 (±50 VDC)
_____________________________________________
Chapter 1 Overview
2
__________________________________________________
Interval and Maximum Recording Time
(Power save function: On)
Single 3631-20 HUMIDITY LOGGER records
temperature and humidity each up to 8000
data.
INTVL REC time INTVL REC time
2s 4h26min40s 1min 5day13h20min
5s 11h6min40s 2min 11day2h40min
10 s 22h13min20s 5min 27day18h40min
15s 33h20min 10 min 55day13h20min
20 s 44h26min4s 15 min 83day8h
30 s 66h40min 20 min 111day2h40min
30 min 166day16h
60 min 333day8h
Using loggers other than 3631-20 HUMIDITY
LOGGER, single logger records up to 16000
data.
INTVL REC time INTVL REC time
2s 8h53min20s 1min 11day2h40min
5s 22h13min20s 2min 22day5h20min
10 s 44h26min40s 5min 55day13h20min
15 s 66h40min 10 min 111day2h40min
20 s 88h53min20s 15 min 166day16h
30 s 133h20min 20 min 222day5h20min
30 min 333day8h
60 min 666day16h
_____________________________________________
Chapter 1 Overview
__________________________________________________
3
Name and Functions of Parts
1
2
3
4
1. LCD Displays measurement value and
2. Optical data
transfer ports
3. Connecting
terminals
4. INTERVAL button Calls up interval setting display to set
5. SELECT button
(REC/STOP)
5
EX: 3631-20
settings.
Enables optical data transfer to
COMMUNICATION BASE.
Connects various sensors and data
transfer cables.
interval.
Pressing more than 1 second initiates
or stops recording.
Interval is selected in interval setting
display.
_____________________________________________
Chapter 1 Overview
4
__________________________________________________
_____________________________________________
Chapter 1 Overview
__________________________________________________
5
Chapter 2
Set Up
2.1 Replacing the Battery
WARNING
To avoid electric shock when replacing the
･
batteries, disconnect the connection cable
before beginning. Also, after replacing the
batteries, always replace the cover and tighten
the screw before using the unit.
Do not mix old and new batteries, or different
･
types of batteries. Also, be careful to observe
battery polarity during installation. Otherwise,
poor performance or damage from battery
leakage could result.
Do not touch board when replacing batteries.
･
Touching board may result in damage.
Handle and dispose of batteries in accordance
･
with local regulations.
Use only LR03 Alkaline batteries. Using
･
manganese batteries may not result in accurate
measurements or proper communication with
the Communication Base.
_____________________________________________
Chapter 2 Set Up
6
__________________________________________________
CAUTION
When exchanging the batteries, the circuit may
sometimes short circuit due to static electricity. As far as
possible, do not touch the base board with bare hands.
Installing new batteries assures operation for
about two years (about one year with 3631-
20). (at 20℃temperature, power save
function: on, interval set at 1 minute)
Remaining battery power indicator (
)
indicates remaining battery life reducing
incrementally from right. Empty battery power
indicator (
) indicates time to replace
batteries.
(1) Remove back cover screw to remove cover.
Verify polarity and install two new LR03
alkaline batteries.
(2) Fit cover properly and tighten screw.
_____________________________________________
Chapter 2 Set Up
__________________________________________________
7
2.2 Power Save Function
Display window is automatically turned off in
approximately 15 seconds after last key entry.
(Sleep)
However, while recording, REC/
mark shows each conditions.
Press any button to turn display on to display
measurement value or to set settings.
Note when interval setting display is on, sleep
does not engage even after 15 seconds has
passed with no button press.
Initially, power save function is on. To turn off
power save function, follow the instructions
below.
Turning off power save shortens battery life.
/
_____________________________________________
Chapter 2 Set Up
8
__________________________________________________
Setting procedure
(1) Connect logger, COMMUNICATION BASE and
personal computer.
(2) Start up applic ation software packaged with
COMMUNICATION BASE.
(3) Go to Communications on the menu bar and
select Power Save Options. Choose Off to turn
off power save function.
Changing power save settings initializes all
logger measurement conditions (excluding
measurement data).
To connect COMMUNICATION BASE with
logger and personal computer and to install
application software, see COMMUNICATION
BASE Instruction Manual.
To use application software, see Help.
_____________________________________________
Chapter 2 Set Up
__________________________________________________
9
2.3 Setting Current Time
After replacing batteries in logger series
current time must be set when connecting with
COMMUNICATION BASE for the first time.
See how to set current time in
COMMUNICATION BASE instruction
manual.
_____________________________________________
Chapter 2 Set Up
10
__________________________________________________
2.4 Connecting Sensor and Cable
WARNING
To avoid damage to the unit, do not input a
voltage and current exceeding the rated maximum
to the input terminals.
3634-20: ±40 mA, 3635-24: ±600 mV
3635-25: ±6 V, 3635-26: ±60 V
Using the 3634/3635
In order to prevent electric shock and shortcircuit accidents, shut off the power to the line to
be measured before connecting the connection
cable.
Use only the specified connection cables (9632,
9633, 9634) to connect the product input
terminals to the circuit to be tested.
_____________________________________________
Chapter 2 Set Up
__________________________________________________
p
Connecting Temperature Sensor
(3631-20, 3633-20)
11
3631-20 HUMIDITY LOGGER records
temperature and humidity in 2 channels when
connected to 9630 HUMIDITY SENSOR.
When connected to 9631 TEMPERATURE
SENSOR series, humidity measurement is not
available.
Connect 9631 TEMPERATURE SENSOR
series to 3633-20 TEMPERATURE LOGGER.
When sensor is not connected, internal
temperature sensor carries out measurement.
Triangle mark on
connection terminal.
Triangle mark on
tem
erature sensor
EX: 3631-20 and 9630
When connecting temperature sensor, securely
insert sensor cable to unit as designated by
triangle mark
on connection terminal. Do not
connect sensor cable in reverse. Improper
connection results in failure to display accurate
value.
_____________________________________________
Chapter 2 Set Up
12
__________________________________________________
Connecting Connection Cable
(3634-20, 3635 series)
Connect 9632, 9633 or 9634 CONNECTION
CABLE.
Triangle mark on
connection terminal.
Triangle mark on
connection cable
When connecting connection cable, securely
insert connection cable to unit as designated
by triangle mark
on connection terminal.
Improper connection results in failure to
display accurate value.
9632 CONNECTION CABLE
GND
non connection
Signal
Cord length: 1000 mm
White: Signal
Black: GND
_____________________________________________
Chapter 2 Set Up
__________________________________________________
φ
φ
φ
13
9633 CONNECTION CABLE
GND
non connection
Signal
CAUTION
2.5 mm 3pin
Cord length: 1000 mm
The 9633 connection cable is not compatible with
2-pin miniature jacks.
9634 CONNECTION CABLE
GND
non connection
Signal
2.5 mm 3pin
Cord length: 1000 mm
GND Signal
3.5 mm 2pin
_____________________________________________
Chapter 2 Set Up
14
__________________________________________________
Sensors and compatible connection cables
3631-20 9630, 9631-01 to 9631-05
3632-20 none
3633-20 9631-01 to 9631-05
3634-20 9632, 9633, 9634
3635 series 9632, 9633, 9634
_____________________________________________
Chapter 2 Set Up
__________________________________________________
15
Chapter 3
Settings
3.1 Setting Items
Logger stand-alone manual settings and
settings in combination with
COMMUNICATION BASE with measurement
conditions stored in memory loaded from
personal computer
Logger +
Setting Logger
1. Start recording Yes Yes
2. Stop recording Yes ---
3. Interval setting Yes Yes
4. Current time
setting
5. Start control --- Yes
6. Recording format
setting
7. Comments --- ---
COMMUNICATION
BASE
--- Yes
--- Yes
Yes: settable/ ---: cannot be set
Comment setting is available when personal
computer is connected to logger and
COMMUNICATION BASE.
_____________________________________________
Chapter 3 Settings
16
__________________________________________________
1. Start recording
Start manual recording by pressing logger
REC/STOP button for 1 second or initiate by
prescheduled start set using
COMMUNICATION BASE.
When time scheduled start is engaged, clock
icon appears in display.
EX: 3631-20
When batteries are weak, recording does not
start.
During recording, weak battery interrupts
recording.
2. Stop recording
Stop recording by pressing logger REC/STOP
button for 1 second.
Or recording stops automatically when data is
full when set to recording format: one time.
3. Interval setting
Set interval with logger alone or using
COMMUNICATION BASE.
(2/5/10/15/20/30 s, 1/2/5/10/15/20/30/60 min)
_____________________________________________
Chapter 3 Settings
__________________________________________________
4. Current time setting
17
To set current time, see COMMUNICATION
BASE instruction manual.
5. Start control
Set specific recording date and time using
COMMUNICATIO N BASE to engage time
scheduled start. When time scheduled start is
engaged, clock icon appears in display.
6. Recording format setting
Set recording format using
COMMUNICATION BASE.
Choose either one time or endless recording
format. Default setting is one time.
One time: Ends recording when data reaches
16000 (8000 in 3631-20).
Endless : Overwrites previously recorded data
when data exceeds 16000 (8000 in
3631-20).
7. Comments
Set comments entered by personal computer to
logger using COMMUNICATION BASE.
When sorting collected recording data,
comments are helpful.
Comment setting is available when personal
computer is connected to both logger and
COMMUNICATION BASE.
_____________________________________________
Chapter 3 Settings
18
__________________________________________________
3.2 Manual Setting
(1) Interval setting
Press INTERVAL button to switch
measurement value display to interval setting
display. (INTVL appears.)
Press SELECT button to designate interval.
Press INTERVAL button to complete
setting.
(2) Starting and ending recording
Press REC/STOP button for 1 second to
clear last recorded data and start recording.
(REC appears.)
EX: 3631-20
Press REC/STOP button for 1 second to
stop recording.
When memory is full, recording
automatically stops when recording format:
one time is selected.
When batteries are weak, recording does not
start. During recording, weak batteries
interrupt recording.
_____________________________________________
Chapter 3 Settings
__________________________________________________
19
When the auto save function becomes on
while recording, the measured value stops
being displayed.
For details refer to "2.2 Power Save
Function"
_____________________________________________
Chapter 3 Settings
20
__________________________________________________
3.3 Setting by COMMUNICATION BASE
(1) Press logger INTERVAL button lightly to
display LCD.
(2) When logger LCD shows REC mark or
clock icon, press REC/STOP button for
more than 1 second to stop recording.
During recording or waiting time before
recording start time, data transfer cannot be
established with COMMUNICATION
BASE.
(3) Press logger INTERVAL button to display
interval setting display.
(INTVL appears.)
(4) Connect COMMUNICATION BASE with
logger.
(5) Press COMMUNICATION BASE SEND
button for more than 1 second to send data
settings to logger.
Previously recorded logger data is erased
when recording is resumed.
Be sure to load data to be saved to
COMMUNICATION BASE or to personal
computer before recording.
_____________________________________________
Chapter 3 Settings
__________________________________________________
21
3.4 Connecting COMMUNICATION
BASE with Logger
Align and insert Logger prongs to
COMMUNICATION BASE slots and fasten
Logger securely.
Logger prong
Improper connection between logger and
COMMUNICATION BASE results
communications failure appears.
_____________________________________________
Chapter 3 Settings
22
__________________________________________________
Error reset
When error occurs in COMMUNICATION
BASE, Press SEND button or RECEIVE
button on COMMUNICATION BASE to reset.
Logger may freeze in communications mode.
Connect logger to COMMUNICATION BASE
again and press COMMUNICATION BASE
LOAD button. Although communications
failure occurs in COMMUNICATION BASE
again Logger returns to normal. Correct
COMMUNICATION BASE error and
reestablish communication with logger.
_____________________________________________
Chapter 3 Settings
__________________________________________________
23
Chapter 4
Specifications
Logger Series General Specifications
LCD display
Recording
capacity
Recording start
options
Recording
options
Recording stop
options
Interval
Data backup
Interface
Warranty and
accuracy guaranteed
Rated power
_____________________________________________
Measurement value (3631-20:
temperature/humidity display alternates)
Recording status (recording/interim)
Interval (setting time)
Battery status (remaining battery power
indicator: 4 phases)
16,000 data x 1 channel
8,000 data x 2 channels (3631-20 only)
Manual start, Prescheduled start
One time, Endless
Manual stop, Memory full
2/5/10/15/20/30 s
1/2/5/10/15/20/30/60 min
Available
(Data not erased by weak batteries or
battery replacement)
Infrared optical data transfer
1 year
LR03 alkaline battery 1.5 V x 2
Chapter 4 Specifications
24
__________________________________________________
Maximum rated power
Battery life
Dimensions
Mass
Location for use
Operate temperature
and humidity range
Storage temperature
and humidity range
Standards
Applying
About two years
(about one year in 3631-20)
With continuous recording at 20℃(68。F)
temperature, power save function: on,
interval at 1 minute
Approx. 57W x 74H x 19.5D mm
(2.24"W x 2.91"H x 0.77"D)
(excluding projections)
Approx. 70 g (2.5 oz) (including batteries)
Indoors, altitude up to 2000 m (6562-ft.)
Safety
EMC
0.1 VA
-20 to 70℃(-4 to 158。F),
80 %RH or less (no condensation)
-20 to 70℃(-4 to 158。F),
80 %RH or less (no condensation)
EN61010
Measurement category I (anticipated
transient overvoltage 330 V), Pollution
Degree 2
EN61326
_____________________________________________
Chapter 4 Specifications
__________________________________________________
p
(℃)
±
25
3631-20 HUMIDITY LOGGER
Input
Measurement range
Accuracy
Temperature 1 ch + Humidity 1 ch (with 9630)
When external temperature sensor is in use, internal
temperature and humidity measurements are
invalid.
Temperature:
-20.0 to 70.0℃(-4 to 158。F) (Internal sensor)
-40.0 to 180.0℃(-40 to 356。F)
(External sensor)
0.0 to 50.0℃(32 to 122。F)
(9630 HUMIDITY SENSOR)
Humidity:
(at 0 to 50℃/32to122。F) 20.0 to 95.0 %RH
(9630 HUMIDITY SENSOR)
Temperature:
-40.0 to -0.1
0.0 to 35.0
35.1 to 70.0
70.1 to 120.0
120.1 to 180.0
1.0℃(-40 to 32。F±1.8。F)
℃±
0.5℃(32 to 95。F±0.9。F)
℃±
1.0℃(95 to 158。F±1.8。F)
℃±
2.0℃(158 to 248。F±3.6。F)
℃±
5.0℃(248 to 356。F±9。F)
℃±
Humidity:
Relative Humidity (% RH)
100
95
±6 %RH
80
60
±10 %RH ±8 %RH ±5 %RH ±8 %RH ±10 %RH
Out of guaranteed area
40
8 %RH
20
Out of guaranteed area
10 20 30 40 50
0
Tem
erature
_____________________________________________
Chapter 4 Specifications
26
__________________________________________________
Internal temperature sensor
registration
Temperature sensor
Water Resilience
Influence of the radiation field
Accessories
Options
9630 HUMIDITY SENSOR
Instruction Manual, LR03 alkaline battery x 2
COMMUNICATION BASE
9631-01,-02,-03,-04,-05,-11,-14,-21,-24
TEMPERATURE SENSOR
Water resilience
IP 54: Not affected in showering test.
IP 67: Not affected submerged in 1 m of
water, for 30 minutes.
Approx. 25 min
Thermistor
IP54 (water resistant)
at 3 V/m
±10℃
_____________________________________________
Chapter 4 Specifications
__________________________________________________
27
3632-20 TEMPERATURE LOGGER
Input
Measurement
range
Accuracy
Temperature sensor
Internal temperature sensor
registration
Water Resilience
Influence of the radiation field
Accessories
Option
Temperature 1 ch
-20.0 to 70.0℃(-4 to 158。F)
-20.0 to -0.1
0.0 to 35.0
35.1 to 70.0
Instruction Manual
LR03 alkaline battery x 2
COMMUNICATION BASE
1.0℃(-4 to 32。F±1.8。F)
℃±
0.5℃(32 to 95。F±0.9。F)
℃±
1.0℃(95 to 158。F±1.8。F)
℃±
Thermistor
Approx. 25 min
IP67 (water proof)
at 3 V/m
±10℃
_____________________________________________
Chapter 4 Specifications
28
__________________________________________________
3633-20 TEMPERATURE LOGGER
Input
Measurement
range
Accuracy
Temperature sensor
Internal temperature sensor
registration
Water Resilience
Influence of the radiation field
Accessories
Options
Temperature 1 ch
When external temperature sensor is in
use, internal temperature is invalid.
-20.0 to 70.0℃(-4 to 158。F)
(Internal sensor)
-40.0 to 180.0℃(-40 to 356。F)
(External sensor)
-40.0 to -0.1
0.0 to 35.0
35.1 to 70.0
(95 to 158。F±1.8。F)
70.1 to 120.0
(158 to 248。F±3.6。F)
120.1 to 180.0
(248 to 356。F±9。F)
Instruction Manual
LR03 alkaline battery x 2
COMMUNICATION BASE
9631-01,-02,-03,-04,-05,-11,-14,-21,-24
TEMPERATURE SENSOR
1.0℃(-40 to 32。F±1.8。F)
℃±
0.5℃(32 to 95。F±0.9。F)
℃±
1.0
℃±
℃
2.0
℃±
℃
5.0
℃±
℃
Thermistor
Approx. 25 min
IP54 (water resistant)
at 3 V/m
±10℃
_____________________________________________
Chapter 4 Specifications
__________________________________________________
29
3634-20 INSTRUMENTATION LOGGER
Sensor details
Input
Measurement
range
Maximum rated input current
Accuracy（23℃±5
Temperature coefficient
Internal resistance
Influence of the radiation
field
Accessories
Options
General purpose instrumentation sensor
(4-20mA output, no power supply to
sensor)
Current 1 ch
0.00 to 20.00 mA, Resolution: 0.01 mA
40 mA
±
0.8 % rdg.±5 dgt.
℃）
9632 CONNECTION CABLE
Instruction Manual
LR03 alkaline battery x 2
COMMUNICATION BASE
9632 CONNECTION CABLE
9633 CONNECTION CABLE
9634 CONNECTION CABLE
±
0.08 %/
℃
Approx. 7 Ω
5% rdg. at 3 V/m
±
_____________________________________________
Chapter 4 Specifications
30
__________________________________________________
3635 VOLTAGE LOGGER
Input
Measurement
range
Maximum rated
input voltage
Input impedance
(Approx.)
Accuracy（23℃±5
Temperature coefficient
Influence of the radiation field
Accessories
Options
Voltage 1 ch
3635-24:±500.0 mV (0.1 mV)
3635-25:±5.000 V (1 mV)
3635-26:±50.00 V (10 mV)
Resolution: ( )
3635-24:±600 mV
3635-25:±6V
3635-26:±60 V
3635-24: 1.5 MΩ
3635-25: 5.4 MΩ
3635-26: 5.1 MΩ
0.8 % rdg.±5 dgt.
℃）
9632 CONNECTION CABLE
Instruction Manual
LR03 alkaline battery x 2
COMMUNICATION BASE
9632 CONNECTION CABLE
9633 CONNECTION CABLE
9634 CONNECTION CABLE
±
0.08 %/
℃
5% rdg. at 3 V/m
±
_____________________________________________
Chapter 4 Specifications
__________________________________________________
31
Temperature Sensor Specifications
9630-X1 HUMIDITY SENSOR (cable integrated type)
Temperature
range
Humidity
range
Response
time
Temperature
sensor
Humidity
sensor
Cord length
Dimensions
0to50℃(32 to 122。F)
10.0 to 95.0 %RH
(accuracy assured: 20.0 to 95.0 %RH)
Temperature: Approx. 100 s
Humidity: Approx. 10 min
Thermistor
Macromolecular membrane
(resistance method)
9630 : 1 m (3.28-feet)
9630-01 : 5 m (16.25-feet)
9630-02 : 10 m (328-feet)
Sensor: 60W x 25H x 12D mm
(2.36"W x 0.98"H x 0.47"D)
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Chapter 4 Specifications
32
__________________________________________________
9631-X1 TEMPERATURE SENSOR (molded type)
Temperature
range
Response
time
Moisture
proof
Temperature
sensor
Cord length
Dimensions
-40 to 180℃(-40 to 356。F)
Approx. 100 s
JIS C 0920
Thermistor
9631-01: 1 m (3.28-feet)
9631-11: 5 m (16.25-feet)
9631-21: 10 m (3281-feet)
Sensor: φ 5x28mm
9631-02 TEMPERATURE SENSOR (Needle type)
Temperature
range
Response
time
Temperature
sensor
Dimensions
-40 to 120℃(-40 to 248。F)
(up to 180℃/356。F. at the metal tip)
Approx. 20 s
Thermistor
Sensor: 25 mm, φ 1.3 mm
Cord length: 1000 mm (3.28-feet)
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Chapter 4 Specifications
__________________________________________________
33
9631-03 TEMPERATURE SENSOR (cease type)
Temperature
range
Response
time
Temperature
sensor
Dimensions
-40 to 120℃(-40 to 248。F)
(up to 180℃/356。F. at the metal tip)
Approx. 90 s
Thermistor
Sensor: 180 mm, φ 4mm
Cord length: 1000 mm (3.28-feet)
9631-X4 TEMPERATURE SENSOR
(Rag connecter terminal type)
Temperature
range
Response
time
Temperature
sensor
Cord length
Dimensions
-30 to 180℃(-22 to 356。F)
Approx. 45 s
Thermistor
9631-04: 1 m (3.28-feet)
9631-14: 5 m (16.25-feet)
9631-24: 10 m (32.81-feet)
Metal tip: 16.5 mm, Major diameter: φ 7mm
Minor diameter:φ 3.2 mm
_____________________________________________
Chapter 4 Specifications
34
__________________________________________________
9631-05 TEMPERATURE SENSOR (molded type)
Temperature
range
Response time
Temperature
sensor
Moisture proof
Dimensions
Response time (Reference value)
Time to display 90% value change in
temperature and humidity.
-40 to 180℃(-40 to 356。F)
Approx. 100 s
Thermistor
JIS C 0920
Sensor: φ 5x28mm
Cord length: 30 mm (1.18inch)
_____________________________________________
Chapter 4 Specifications
__________________________________________________
35
Chapter 5
Maintenance and Service
Cleaning
To clean the product, wipe it gently with a soft
cloth moistened with water or mild detergent.
Never use solvents such as benzene, alcohol,
acetone, ether, ketones, thinners or gasoline, as
they can deform and discolor the case.
Service
If the product seems to be malfunctioning,
confirm that the batteries are not discharged,
and that the sensor are not open circuited
before contacting your dealer or Hioki
representative.
Pack the product carefully so that it will not be
damaged during shipment, and include a
detailed written description of the problem.
Hioki cannot be responsible for damage that
occurs during shipment.
_____________________________________________
Chapter 5 Maintenance and Service
36
__________________________________________________
Error Messages
When an error occurs in the 3631 to 3635, an
error message will appear as shown below.
Error message Meaning
Adjustment data error:
Adjustment data is no longer available.
Please send it for repair.
The following error may be displayed on the
LCD of the main instrument as shown below.
When this occurs, repair or check the device.
Contact your dealer or Hioki representative.
_____________________________________________
Chapter 5 Maintenance and Service
HIOKI 3631-20, 3632-20, 3633-20,
3634-20, 3635-24, 25, 26
Logger Series
Instruction Manual
Publication date: May 2008 Revised edition 11
Edited and published by
Technical Sales Support Section
All inquiries to International Sales and Marketing
Department
81 Koizumi, Ueda, Nagano, 386-1192, Japan
TEL: +81-268-28-0562 / FAX: +81-268-28-0568
E-mail: os-com@hioki.co.jp
URL http://www.hioki.com/
Printed in Japan 3631A981-11
･ All reasonable care has been taken in the production of
this manual, but if you find any points which are unclear
or in error, please contact your supplier or the
International Sales and Marketing Department at
headquarters.
･ In the interests of product development, the contents of
this manual are subject to revision without prior notice.
･ The content of this manual is protected by copyright.
No reproduction, duplication or modification of the
content is permitted without the authorization of Hioki
E.E. Corporation.
HIOKI E.E. CORPORATION
HIOKI
HEAD OFFICE
81 Koizumi, Ueda, Nagano 386-1192, Japan
TEL +81-268-28-0562 / FAX +81-268-28-0568
E-mail: os-com@hioki.co.jp/
URL http://www.hioki.com/
HIOKI USA CORPORATION
6 Corporate Drive, Cranbury, NJ 08512, USA
TEL +1-609-409-9109 / FAX +1-609-409-9108
3631A981-11 08-05H
Printed on recycled paper
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