KYOWA MRS-100 Series User manual

IM-A-1271 Dec. 2019
INSTRUCTION MANUAL
MRS-100 Series
Digital Telemeter
MRS-114A
MRS-104A-S
MRS-101A-S
MRS-101A-SE
MRS-101A-V
Thank you for purchasing KYOWA’s product MRS-100 Series.
Read this Instruction Manual carefully in order to make full use of the high
performance capabilities of the product.
Do not use the product in methods other than described in this Manual.
Generally, company names and trade names described in this Instruction Manual are trademarks or registered
trademarks of the companies.
This Instruction Manual may not be copied or reproduced, in whole or part, without consent of KYOWA.
Copyright © Kyowa Electronic Instruments Co., Ltd.All rights reserved.
The contents of the Instruction Manual are subjected to change without prior notice.
We assume no responsibility whatever for any damage resulting from the use of this product.

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CONTENTS
CONTENTS ··············································································································· 1
SAFETY PRECAUTIONS (Do not forget to read the safety precautions prior to use.)························ 4
LIMITED LIDE PARTS AND PREVENTIVE MAINTENANCE················································ 7
MRS-100 Series REPLACEMENT BEFORE THE END OF SERVICE LIFE ································· 7
NOTATIONS USED IN THE INSTRUCTION MANUAL ························································ 7
1. OUTLINE OF PRODUCT ··························································································10
1-1. OUTLINE·························································································································· 10
1-2. FEATURES ························································································································ 10
1-3. Combination models·············································································································· 11
2. CONTROLS AND FUNCTIONS ··················································································12
2-1. 1ch-Receiver······················································································································· 12
2-1-1. FRONT PANEL·············································································································· 12
2-1-2. REAR PANEL ··············································································································· 21
2-2. Transmitter ························································································································· 22
3. Wiring method·········································································································28
3-1. Receiving antenna················································································································· 28
3-2. Transmitting antenna·············································································································· 28
3-4. Wiring method of the transmitter ······························································································· 31
4. Measuring Mode and Command Mode············································································34
4-1. Telemeter operating modes ······································································································ 34
5. Actual Operation ······································································································37
5-1. Operations before measurement································································································· 38
6. Transmitter power supply····························································································42
6-1. Transmitter recommended battery ······························································································ 42
6-2. LEDs lighting conditions for monitoring transmitter power supply voltage·············································· 43
6-3. Estimated operating time of the recommended battery (If using the MRS-104A-S) ···································· 44
6-4. Estimated operating time of the recommended battery(If using the MRS-101A-S/SE) ································ 47
6-5. Estimated operating time of the recommended battery(If using the MRS-101A-V) ···································· 50
7. Supplementary System Information················································································53
7-1.Antenna installation guide ······································································································· 53
7-2. Reception system using two receiving antennas (diversity reception techniques)······································· 59
7-3. Using the extension cable for the receiving antenna ········································································· 61
7-4. OPTIONALACCESSORIES ··································································································· 62
7-5. Radio interference················································································································· 63
7-6. Usage examples ··················································································································· 64
8. SPECIFICATIONS ···································································································65
8-1. MRS-114A ························································································································· 65
8-2. MRS-104A-S (4ch-Strain Transmitter) specifications······································································· 67
8-3. MRS-101A-S (1ch-Strain Transmitter) specifications······································································· 69
8-4. MRS-101A-SE (1ch-Strain Transmitter(EXTAntenna)) specifications··················································· 70
8-5. MRS-101A-V (1ch-Voltage Transmitter) specifications····································································· 71
8-6. MRS-10B (Setting Software) specifications ·················································································· 72
8-7. OUTSIDE DRAWING ··········································································································· 73
8-7-1. MRS-114A (4ch-Receiver)································································································· 73
8-7-2.MRS-104A-S（4-ch Strain Transmtter）················································································ 74
8-7-3. MRS-101A-S (1ch-Strain Transmitter)··················································································· 75
8-7-4. MRS-101A-SE (1ch-Strain Transmitter(EXTAntenna)) ······························································ 76
8-7-5. MRS-101A-V (1ch-Voltage Transmitter) ················································································ 77
8-7-6. DA-DB-05RP-SMA-08（High gain dipole antenna）································································ 78
8-7-7. Fastening bracket ············································································································ 79

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This Manual describes hardware operation of the MRS-114A, MRS-104A-S, MRS-101A-S, MRS-101A-SE and the
MRS-101A-V.
The instruction manual in other available languages can be found at
https://www.kyowa-ei.com/eng/support/download/manual/acquisition/index.html
The following accessories are packed with the MRS-114A.
When unpacking, check the contents to ensure that all accessories are enclosed.
STANDARD ACCESSORIES
Setting Software (MRS-10B) ································································· 1 (CD-R)
BNC-BNC cable (U-59) ······································································· 4
USB cable (N-38)··············································································· 1
AC adapter* ····················································································· 1
Ground wire (P-72)············································································· 1
Receiving antenna (W1030)··································································· 2
High gain dipole antenna (DA-DB-05RP-SMA-08)······································· 2
Extension cable for receiving antenna (2m) (E-02) ······································· 2
Side hole suction cup (55mm) ································································ 2
Cable tie·························································································· 2
Product Warranty ··············································································· 1
*AC power cable is optional (select according to the country or region of use).
OPTIONALACCESSORIES
AC power cable:
P-38 (Japan), P-39 (U.S.A.), P-40 (India), P-41 (Europe), P-42 (Thailand)
Small planarantenna (EXT-ANT1)
Planar diversity antenna (EXT-ANT2)
Extension cable for receiving antenna (6 m) (E-0)3*
DC power cable (2m) (P-76)
*E-03 cannot be used in Europe.
The following accessories are packed with the MRS-104A-S.
When unpacking, check the contents to ensure that all accessories are enclosed.
STANDARD ACCESSORIES
Fastening bracket ··············································································· 2
Full-bridge Adapter (ADP-401)* ··························································· 2
Power Adapter (ADP-40P)* ································································· 1
JCIS10-70 Miniature Screw (M2x4)* ······················································· 3
Battery holder (AAA cell×2) for checking operation (SBH4211AS) ··················· 1
ID label··························································································· 1
Product Warranty ··············································································· 1
*Attached to the transmitter body
OPTIONALACCESSORIES
Quarter-bridge 2-wireAdapter (120 ohm) (ADP-402-120)*
Quarter-bridge 3-wireAdapter (120 ohm) (ADP-403-120)*
* One adapter is available for 2 channels measurements.
(Two adapters are required to measure 4 channels.)

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The following accessories are packed with the MRS-101A-S.
When unpacking, check the contents to ensure that all accessories are enclosed.
STANDARD ACCESSORIES
Adapter board (ADP-01)*····································································· 1
JCIS10-70 Miniature Screw (M2x4)* ······················································· 1
Battery holder (AAA cell×2) for checking operation (SBH4211AS) ··················· 1
ID label··························································································· 1
Product Warranty ··············································································· 1
*Attached to the transmitter body
OPTIONALACCESSORIES
Quarter-bridge 2-wireAdapter (120 ohm) (ADP-02-120)
The following accessories are packed with the MRS-101A-SE.
When unpacking, check the contents to ensure that all accessories are enclosed.
STANDARD ACCESSORIES
Adapter board (ADP-01)*····································································· 1
JCIS10-70 Miniature Screw (M2x4)* ······················································· 1
Battery holder (AAA cell×2) for checking operation (SBH4211AS) ··················· 1
External antenna (W1030)····································································· 1
Antenna harness (E-04)········································································ 1
ID label··························································································· 1
Product Warranty ··············································································· 1
*Attached to the transmitter body
OPTIONALACCESSORIES
Quarter-bridge 2-wireAdapter (120 ohm) (ADP-02-120)
The following accessories are packed with the MRS-101A-V.
When unpacking, check the contents to ensure that all accessories are enclosed.
STANDARD ACCESSORIES
Voltage Adapter (ADP-03)*··································································· 1
JCIS10-70 Miniature Screw (M2x4)* ······················································· 1
Battery holder (AAA cell×2) for checking operation (SBH4211AS) ··················· 1
ID label··························································································· 1
Product Warranty ··············································································· 1
*Attached to the transmitter body

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SAFETY PRECAUTIONS (Do not forget to read the safety precautions prior to use.)
The MRS-114A is designed to be used according to "SPECIFICATIONS". Do not use the product in an environment
exceeding the specifications. Or, it may cause troubles.
PRIOR TO USE
For safe use of the product, do not forget to read the "SAFETY PRECAUTIONS" prior to use.
KYOWA assumes no liability for any damage resulting from the user's failure to comply with the safety precautions.
For safety operation of the product, the following symbol marks are used in the Instruction Manual.
Indicates "PROTECTIVE GROUND TERMINAL".
Be sure to connect the GND terminal to the ground.
SAFETY SYMBOLS
For safety operation of the product, the following symbol marks are used in the Instruction Manual.
WARNING
Improper operation of the system may result in death or severe injury of the operator.
CAUTION
Improper operation of the system may result in injury of the operator and physical damage
of the system.
WARNING
●Warning
Be sure to observe the safety precautions described in the MRS-114A Instruction Manual.
●Power supply
To prevent a fire hazard, ensure that the power supply voltage specified for the product matches the local line
voltage before connecting the system to the power supply.
●Avoid using in environment with inflammable gas, etc.
To prevent the risk of fire hazard or explosion, do not use the product in environment with inflammable gas,
vapor, or dust.
●If any trouble occurs
To prevent a fire hazards, if smoke is emerging from the product, immediately disconnect the USB cable orAC
adapter to terminate the system operation.
●Protective ground
Be sure to connect the GND terminal to the ground. Or, it may cause an electric shock hazard, lower the
performance, and cause trouble.
●To avoid secondary system damage from product failure, always follow a maintenance plan with separate
technical measures.
●Never use the product in medical facilities.
Doing so may interfere with medical devices, posing a life-threatening risk.
●Never use the product at airports or in aircrafts.
Doing so may cause airport equipment to malfunction, posing a life-threatening risk.
●Do not use the product where use of wireless devices, such as mobile phones, is prohibited.

5
CAUTION
●Caution
Be sure to observe the safety precautions described in the MRS-114A Instruction Manual.
●Do not turn ON the power switch immediately after turning it OFF.
After turning OFF the power switch, wait (5 seconds) until the power supply is shut OFF before turning ON the
power switch again.
To disconnect the product, turn controls to off, then remove plug from wall outlet.
●Use within the operating temperature range.
Use at temperatures exceeding the specified range may lower the performance and cause trouble.
●Use within the operating humidity range (however, without condensation).
Use in a humid place exceeding the specified range or where it is exposed to splashing water may lower the
performance and cause trouble.
●Use the product at the altitude up to 2,000m.
●Do not use the product immediately when the ambient temperature and humidity change suddenly.
Leave the product as it is until it becomes adaptable to the environment.
Abrupt change in ambient temperature due to transportation, etc. may cause dew condensation, which may result
in lower performance and troubles.
●Use the product under environment without excessive vibration or high impact.
Use the product in an area where vibration and impact can be kept within the scope of specifications.
Continuous vibration or severe impact may cause deteriorated performance and system failure.
In case of installing the product at high place, prepare enough measures for prevention of its drop.
●This product operates on the 2.4 GHz band, which wireless LAN, Bluetooth®, and microwave ovens also use.
Devices on the wireless LAN or on other radio waves may generate electromagnetic interference that causes
wireless communication errors in this product.
Before using this product, check to confirm that there are no such devices nearby.
In addition, note that the wireless LAN and Bluetooth®functions of the computer on which the Setting Software
for this product is installed may generate electromagnetic interference. When controlling this product via the
computer, turn off the computer’s wireless LAN and Bluetooth®functions.
Use the product as far away from other signal lines and noise sources as possible, in order to prevent it from
malfunctioning due to noise.
Keep this product far away as possible from equipment which generates strong electromagnetic wave.
●Do not use the product under poor conditions.
Operate the product within the range of power supply specs. The power supply used for the product should not
experience an instantaneous power failure and be free from noise.
●Do not pull cords and cables.
Lay cords and cables with a certain allowance so that unreasonable force is not applied to the connections.
Or, it may interrupt the measurements, break the cables, and damage the connectors.
●Avoid installing sensors and products near a welding machine. Failure to do so will pose the risk of erroneous data,
malfunction and failure.
●Do not disassemble or remodel the product. Or, it may cause electric shock hazards or damage the product. This
warranty does not cover any damaged or defective parts that results from disassembling or remodeling.
●Do not use or storage the product under dusty or fine particles or corrosive gas environment.
Use or storage under these environments, may result in lower performance and troubles.
●Do not expose the product to the air if it is used and stored nearby sea. Air exposure nearby sea may cause lower
performance and products failure.
●Take care when handling the CD-R.
Do not expose the CD-R to direct sun light, high temperature, or high humidity.
Do not apply pressure to the CD-R by laying object or bending.
Dust, scratches, and fingerprints on either side of the CD-R can cause write errors.

6
●Preheat the product before use.
After the power ON, always preheat the product for approximately 1 hour.
●Cleaning.
When the product gets dirty, clean the product with a dry soft cloth. When dust exists inside the MRS-114A,
clean it by using an air blow gun. Do not touch electronic parts.
●Do not use the products (MRS-104A-S, MRS-101A-S, MRS-101A-SE or MRS-101A-V) outside, in a humid place
where it is exposed to splashing water without conducting the waterproof trearment to the transmitter, battery and
wiring.
●Do not place the products (MRS-104A-S, MRS-101A-S, MRS-101A-SE or MRS-101A-V) on an uneven surface.
●When installing the transmitter on a rotating body, install a safety cover to secure safety from blown parts.
●Turn off the transmitter, when removing the External antenna andAntenna harness from it.

7
Reference items required when handling the product.
Essential precautions required when handling the product.
LIMITED LIDE PARTS AND PREVENTIVE MAINTENANCE
The product consists of various electronic components and those components, if not all, have a useful life.
Using them exceeding the years specified according to each part type (useful life) may affect the characteristics of the
product, resulting in a malfunction or a failure.
Limited life parts used with the product are as follows.
○Aluminum electrolytic capacitor
The signal-noise ratio will lower due to capacity low or smoke will be emitted due to liquid leak, resulting in a
malfunction of the product.
○ AC adapter (optional accessories)
Heat and smoke will be emitted, resulting in an unstable voltage.
To operate the product normally, finding a sign of the product failure early by daily/periodic inspections and taking the
corrective action are required. For inspection, contact KYOWA or our representatives.
* Limited life parts used with the product are aluminum electrolytic capacitor.
*All components do age and will fail.
MRS-100 Series REPLACEMENT BEFORE THE END OF SERVICE LIFE
Preventive maintenance and replacement parts are a cost-effective way of keeping the performance and extending the
service life of the product. Regardless of the replacement parts, the product itself gradually deteriorates with age. Before
the expected service life is reached, consider replacing the product with a new one or the latest series as preventive
maintenance.
NOTATIONS USED IN THE INSTRUCTION MANUAL
The following notations are used in the Instruction Manual for convenience.
•Names described on the panel surface
Names described on the panel surface are expressed in double quotation mark " ".
•Informational notes
Certain notations are used as necessary to attract your attention to information that requires special care when
handing the product, and to information provided for reference purposes.
Examples of Notations.
NOTE
MEMO

8
IMPORTANT REGULATORY INFORMATION
The product is for use only in Japan, the United States, India, Thailand and the European Union.
Use in other countries or regions is prohibited.
JAPAN
Type certification
The product has been certified as a low-power data communications system in the 2.4 GHz band
(Technical Regulations Conformity Certification System: Ordinance of MPT No. 37, 1981,Article 2,
paragraph 1, item (19)) according to the Radio Law of Japan.
Accordingly, no radio equipment license is required to use this product. However, the following actions
may be punishable under law:
•Disassembling or modifying the product.
•Removing the certification label on the product.
Name of radio equipment: MR-2400M Number of type certification: 007-AE0235
FCC
COMPLIANCE WITH ELECTRIC DIRECTIVES & REGULATIONS
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
[CAUTION]
Changes or modifications not expressly approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
Contains Transmitter Module
FCC ID: 2AJE9, MR-2400MA
This device should be used EXCLUSIVELY as the digital devices for industrial, commercial or medical
test equipment. "Test equipment" includes devices used for maintenance, research, evaluation,
simulation and other analytical or scientific applications in areas such as industrial plants, public
utilities, hospitals, universities, laboratories, automotive service centers and electronic repair shops.
INDIA
REGULATORY NOTRICE FOR Radio Frequency module
•Notice for users in India
The name of RF module: MR-2400MA
THAILAND
REGULATORY INFORMATION in Thailand
NOTE

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EUROPEAN UNION
Hereby, Kyowa Electronic Instruments Co., Ltd., declares that each equipment of the MRS-100 series
is in compliance with Directive 2014/53/EU in countries of the European EconomicArea (EEA) and
EFTA countries (Iceland, Norway, Liechtenstein, Switzerland) and Turkey.
English
This equipment is in complience with the essential requirements and other
relevant provisions of Directive 2014/53/EU.
Česky
[Czech]
Toto zařízení je v souladu se základními požadavky a ostatními odpovídajícími
ustanoveními Smérnice 2014/53/EU.
Deutsch
[German]
Dieses Gerät entspricht den grundlegendenAnforderungen und den weiteren
entsprecheneden Vorgaben der Richtlinie 2014/53/EU.
Español
[Spain]
Este equipo cumple con los requisitos esenciales asi como con otras
disposiciones de la Directive 2014/53/UE.
Français
[France]
Cet appareil est conforme aux exigencies essentialles et aux autres dispositions
pertinantes de la Directive 2014/53/UE.
Ελληυική
[Greek]
Αυτός ο εξοπλισμός είναι σε συμμόρφωση με τις ουσιώδεις απαιτήσεις και
άλλες σχετικές διατάξεις της Οδηγίας 2014/53/EE
Italiano
[Italian]
Questo apparato é conforme ai requisiti essenziali ed agli altri principi sanciti
dalla Direttiva 2014/53/UE.
Magyar
[Hungarian]
Ez a készülék teljesíti az alapvetőkövetelményeket és más 2014/53/EU
irányelvben meghatározott vonatkozó rendelkezéseket.
Nederlands
[Dutch]
Dit apparaat voldoet aan de essentiele eisen en andere van toepassing zijnde
bepalingen van de Richtlijn 2014/53/EU.
Norsk
[Norwegian]
Dette utstyret er i samsvar med de grunnleggende krav og andre relevante
bestemmelser i EU-directiv 2014/53/EU.
Română
[Romanian]
Acest echipament este in conformitate cu cerintele esentiale si cu alte prevederi
relevante ale Directivei 2014/53/UE.
Slovensky
[Slovak]
Toto zariadenie je v zhode so základnými požiadavkami a inými príslušnými
nariadeniami direktív: 2014/53/EU.
Suomi
[Finnish]
Tämä laite täyttää direktiivin 2014/53/EU olennaiset vaatimukset ja on siinä
asetettujen muiden laitetta koskevien määräysten mukainen.
Svenska
[Swedish]
Denna utrustning är i överensstämmelse med de väsentliga kraven och andra
relevanta bestämmelser i Direktiv 2014/53/EU.
The full declaration of conformity for this product can be found at
http://www.kyowa-ei.com/eng/company/environment/eu_declaration.html.
The maximum RF power is below:
The band 2405 - 2480 MHz is 4.0dBm
When mounting the product in customersr systems, it is required to proceed additional certification
processes before placing on the market in EU member states to make customers products fully comply
with relative EU standards.
Kyowa can provide a test report of conducted measurement portion for the radio module to customers.
Customers can utilize the test report for the certification processes of own systems as it requires radio.
NOTE