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NTB Series

Data Loggers

Network Terminal Boxes

KYOWA NTB Series

The dispersion on location is possible by the compact size and wire one line connection.The field measurement is disitalized.

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Call 022 7106162

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NTB-100A
NTB-201A

 

A revolutionary concept of measurement has emerged
Signals from a sensor are usually digitized through an amplifier and A/D converter via a bridge box, and the digital data is processed on a computer or a dedicated system. NTB-100A Series network terminal boxes revolutionize this process signals from a sensor are immediately digitized and fed to a computer for data processing.These NTBs not only streamline signal processing, but also contributes to eliminating extra cable thereby reducing cost of labor and installation.By placing an NTB near a sensor, only a single communication cable is required to build a wide area network (a total distance of 1 km), which is also useful because the digital transmission is hardly affected by noise. A single unit can measure 4 channels, and up to 8 units can be connected, for measurement of a maximum of 32 channels is possible.The NTB, which directly connects various sensors including strain gages, facilitates digital measurement in the field such as construction or building site, or for indoor experiments and researches.Handy logger SME-100A allows a wider range ofmeasurement with its.

Features

  • The wide area, decentralized arrangement will be useful for the infrastructure of building and civil engineering.
  • Network output is compliant to CAN, requiring a single wire to build the network.
  • Measurement can be started immediately when the instrument is connected to a computer.
  • Various ways of interlocking and connection are provided, broadening system applications.
  • Compact, lightweight and affordable, allowing a small-sized system to be built on site easily.
  • Digitizing data adjacent to the sensor allows noise resistant digital data to be transmitted.

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Specifications

ModelBridge excitationSensor input terminal1-gage resistance
NTB-100A-120Constant-voltageOne-touch lock terminal120Ω
NTB-101A-120Constant-voltageScrew soldering terminal120Ω
NTB-100A-350Constant-voltageOne-touch lock terminal350Ω
NTB-101A-350Constant-voltageScrew soldering terminal350Ω
NTB-110A-350Constant-voltageOne-touch lock terminalFor 4-gage only
NTB-111A-350Constant-voltageScrew soldering terminalFor 4-gage only

※Control Software NTB-10A Standard accessory

Bridge excitationApplicable sensorNTB model
General-purpose strain measurementCivil engineering measurement
NTB-100A-120
NTB-101A-120
NTB-100A-350
NTB-101A-350
NTB-110A-350
NTB-111A-350

NTB

models

andapplicable

sensors

Strain gage
Strain gage transducer
Quarter gage method120Ω××
350Ω××
Half bridge method 120 to 1000ΩActive-active method×
Full bridge method120 to 1000ΩFull bridge×
Constant current

Civi

lengineering

transducer

4-gage

method

350Ω

Full bridge method Civil engineering
transducer with temperature

 

××
××
channels4
Scanning speed

Approx. 0.5 sec/channel for 0 to ± 30000 μm/m

Approx. 1 sec/channel for ± 30000 μm/m or

more With civil engineering transducer with

temperature measuring function

Bridge excitationApprox. 2VDC for constant-voltage bridge excitation
Approx. 5.6mA for constant-current bridge excitation (at bridge resistance 350Ω)
Measuring rangeStrain measurement
0 to ± 300000 μm/m (constant-voltage bridge excitation)
0 to ± 30000 μm/m (constant-current bridge excitation)
Temperature measurement with civil engineering transducer
with temperature measuring function -30.0 to 70.0℃
ResolutionStrain measurement
0 to ± 30000 μm/m : 1 μm/m
± 30000 to ± 300000 μm/m : 10 μm/m
Temperature measurement with civil engineering transducer
with temperature measuring function 0.1℃
AccuracyStrain measurement
0 to ± 30000 μm/m : ± (0.05% rdg. + 2) μm/m
± 30000 to ± 300000 μm/m : ± (0.1% rdg. + 20) μm/m
Temperature measurement with civil engineering transducer
with temperature measuring function ± 0.5℃
TEDSRead from TEDS sensors
Operator input of channel names (Kyowa ID only)
Power save modeProvided ON/OFF using “OPT.3” DIP switch.
interfaceDedicated interface conforming to CAN, cable extension up to 1km
Operating temperature range-10 to 50℃
Operating humidity range20 to 85%RH (no condensation)
Power supply11 to 16VDC
Current consumption
(during operation at 12VDC)

Constant-voltage bridge excitation Operation: 100mA or less

Standby : 60mA or less

Standby (in power save mode) : 40mA or less

Constant-current bridge excitation Operation : 70mA or less

Standby : 60mA or less

Standby (in power save mode) : 40mA or less

DimensionsOne-touch lock type: 150 (W) × 28 (H) × 55 (D) mm (excluding protrusions)
Screw soldering type150 (W) × 28 (H) × 110 (D) mm (excluding protrusions)
Weight

One-touch lock type : Approx. 310g

Screw soldering type : Approx. 650g

StandardAccessories

Operation Manual (CD-R), P-57(DC power cable),

P-72(ground wire), Wire connection seals

Bumpon (rubber feet), Screwdriver (for one-touch lock type only)

Terminal block (for screw soldering type only)

Optional Accessories

USB-CAN converter LEAFLIGHT HS
Terminating resistanceCANTERM120
AC adaptor SA-10A-EDS
Connection board//clipCN-1A
DIN rail mounting plate
Y cable N-103
Communication cable 1mN-102
Communication cable 3mH-11681
Communication cable 5m H-11682
Communication cable 10mH-11683

※(NOTE) Please contact our sales department

for communication cables other than those listed above.

 

Network Data Collector

NTB-201A
Number of measuring channel4
Scanning speedApprox. 0.5 sec/channel
Applicable sensorsDC voltage-output, Thermocouple

Voltage-output measurement

RangeMeasuring rangeResolutionAccuracySignal Source Resistance
10V0~±10.0000V100μV±(0.1% rdg+0.0003V)Approx. 1MΩ
50V0~±50.000V1mV±(0.1% rdg+0.003V)Approx. 1MΩ

Thermocouple

TypeMeasuring rangeResolutionAccuracyThe internal reference junction accuracy
K-200.0 to
+1230.0℃
0.1℃-200.0 to -100℃ or less±(0.2%rdg+0.3℃)

±0.5℃
with input terminal temperature balanced in an ambient temperature range of0 to 50℃)

±1.0℃
(with input terminal temperature balanced in an ambient temperature range of -10 to 0℃ orless)

-100.0 to +1230.0℃±(0.1%rdg+0.2℃)
T-200.0 to
+400.0℃
-200.0 to -100℃ or less±(0.2%rdg+0.3℃)
-100.0 to +400.0℃±(0.1%rdg+0.2℃)
E-200.0 to
+660.0℃
-200.0 to -100℃ or less±(0.2%rdg+0.3℃)
-100.0~+660.0℃±(0.1%rdg+0.2℃)
J-200.0 to
+870.0℃
-200.0 to -100℃ or less±(0.2%rdg+0.3℃)
-100.0 to +870.0℃±(0.1%rdg+0.2℃)
R0.0~
+1760.0℃
0.0 to +100℃ or less±(0.2%rdg+0.8℃)
+100.0 to +1760.0℃±(0.125%rdg+0.6℃)
N-200.0~
+1300.0℃
-200.0 to -100℃ or less±(0.2%rdg+0.3℃)
-100.0 to +1300.0℃±(0.1%rdg+0.2℃)

 (NOTES)1 . Accuracies do not include the internal reference junction compensator accuracy

2. The reference junction compensator is switchable between internal and external

3. The thermocouple resistance should be 1kΩ or less

Check functionBurnout check.
Power save modeProvided ON/OFF using “OPT.3” DIP switch.
InterfaceDedicated interface conforming to CAN,
Operating temperature range-10 to 50℃
Operating humidity range20 to 85%RH (no condensation)
Power supply11 to 16VDC
Current consumption
(during operation at 12VDC)

Constant-voltage bridge excitation Operation : 100mA or less

Standby : 60mA or less

Standby (in power save mode) : 40mA or less

Constant-current bridge excitationOperation : 70mA or less

Standby : 60mA or less

Standby (in power save mode) : 40mA or less

Dimensions

One-touch lock type : 150 (W)×28 (H) × 55 (D) mm (excluding protrusions)

Screw soldering type : 150 (W)×28 (H) × 110(D) mm (excluding protrusions)

WeightApprox. 320g

(NOTE) TEDS function is unusable

Network Terminal Box Control Software

NTB-10A

NTB-10A

For remote control of network terminal boxes from a PC, and displaying measurement data in graphs or a numeric format on the PC screen.
SpecificationsNumber of measuring units: NTB-100A series: 1 to 99 (The number of MAX CHs is 396.)
Measuring function

Relative (relative value) measure data with an initial unbalance value deducted.

ZERO measurement: Measure initial unbalance value.

CH conditions

Meas channel ON/OFF, CAL coeffcient calculation ON/OFF, Relative measurement ON/OFF, CAL coeffcient,

Offset, Unit, Dec, digits, Ref resist,

CH Name (20 characters)

Meas condition fileLoad and save
Meas operationMONITOR Meas:Measure ZERO value during
MONITOR measurement INTERVAL Meas,
File dividing function of the measured data:
Not divide,every hour, every day.
Interval meas

Interval Start Time, Interval Time, Repeat 0 to 9999

(0 to infinite) The number of interval measuring steps: 5

Display switching functionList only Numeric display: Arbitrary 1 CH to MAX
5 CHs. Font size (Large, Medium, Small)
Graph display function of measured data

Graph type : Y-YIME, BAR graph(with perk hold function)

With the auto scale function during the measurement

Measured data saving functionThe measured data is saved with the CSV format.
TEDS compatible

Load the information of the TEDS sensor and

automatically set it to the CH condition,

CH Name writable to the TEDS information

(KYOWA sensor only, within 28 characters)

Dimension setting of the recorded dataSaved in the hard disk of the PC.
File splitNo split
Split every hour
Split every day
System RequirementsCPU:Pentium4 2GHz or higher
OS:Microsoft Windows XP (32-bit)
Microsoft Windows Vista (32-bit)
Memory :1 GB or more 2 GB or more for Vista

VistaHard disk:At least 10 MB free disk space

(Not including the size of data file to be created)

Display resolution:1024 × 768 minimum
Colors:Full color or higher
USB-CAN converter:Model LEAFLIGHT HS

Handy Data Logger

SME-100A/101A
Number of measuring channels

1 (in independent use of the logger)

Max. 33 channels with NTBs connected

to the logger*33 channels = 1 + 32

from 8 NTBs

Sampling frequency

(In independent use, or NTB-dependent when connected to NTBs)
Approx. 0.5 sec : 0 to ± 30000 μm/m
Approx 1 sec: ± 30000 μm/m or more

: Temperature measurement with civil engineering transducer with temperature measuring function

Measurement modeRELATIVE mode (the zero value is subtracted from measurements)
*“Zero” denotes the initial unbalance during strain measurement, and can be acquired at any time.
Arithmetic operationCalculation using a coefficient
Applicable sensor

Strain gages, strain gage transducers,

civil engineering transducers with temperature measuring function

Strain GageResistance strain gauge application
1-gage method120,240,350Ω
2,4gage method120 to 1000Ω
120 to 1000Ω

Constant-voltage bridge excitation: Approx. 2VDC

Constant-current bridge excitation: Approx. 5.6mA

(bridge resistance 350Ω)

Measuring range

Strain measurement

0 to ± 300000 μm/m (constant-voltage bridge excitation)

0 to ± 20000 μm/m (constant-current bridge excitation)

Temperature measurement with civil engineering transducer

with temperature measuring function -30.0℃to 70.0℃

ResolutionStrain measurement
0 to ± 30000 μm/m : 1 μm/m
± 30000 to ± 300000 μm/m : 10 μm/m
Temperature measurement with civil engineering transducer
with temperature measuring function 0.1℃

Accuracy

(NDIS one-touch connector, 4-gage connection)

Strain measurement

0 to ± 30000 μm/m : ± (0.05% rdg. + 2) μm/m

± 30000 to ± 300000 μm/m : ± (0.1% rdg. + 20) μm/m

Temperature measurement with civil engineering transducer

with temperature measuring function ± 0.5℃

Check functionInsulation resistance measurement : 2 to 100MΩ
Resistance measurement : 0 to 20kΩ
Interval measurement

1 minute to 99 hours 59 minutes in 1-minute steps

Starting date/time: year/month/day/hour/minute

StorageSD card (optional)
Applicable SD card256MB, 512MB, 1GB, 2GB (FAT16) (SDHC is not applicable)
DisplayMonochrome LCD, 128 × 64 dots
TEDSRead from TEDS sensors
Operator input of channel names (Kyowa ID only in up to 10 characters)
Operating temperature & humidity range-10 to 50℃, 20 to 85%RH (no condensation)
Power supply

AA battery × 2 Consecutive operation time:
Approx. 10 hours (with alkaline batteries, NTB not connected)
*Nickel hydride batteries can also be used.

*An AC adapter (optional, DR-523E) is provided for SME-101A

Auto Power Off

Power is automatically turned off if no key operation is

detected for 5 minutes. In interval measurement mode

with an interval of 3 minutes or longer, power is

automatically turned off during standby period and

turned on again 1 minute before the next measurement

is started (ON/OFF of Auto Power Off can be specified)

Dimensions108.4×188× 41mm (excluding protrusions)
WeightApprox. 450g (excluding batteries)

Standard Accessories

Operation Manual (CD-R), input cable, communication

cable, AA alkali battery × 2, shoulder belt, hand strap

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NTB Series

NTB Series

Network Terminal Boxes

KYOWA NTB Series

The dispersion on location is possible by the compact size and wire one line connection.The field measurement is disitalized.

Write your review

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