Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa SRLS-110A Wireless Receiver SRLS-100 Series Long Range Radio Unit
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: SRLS-110A Wireless Receiver
- Stable wireless communication over a longer distance by the LoRa® method (proven communication distance of 20 km under certain conditions)
- Up to 20 channel measurement
- Long-term (about 1 year) continuous measurement
Feature
It is a wireless system featuring long-distance wireless communication, multi-channel measurement, and long-term measurement.
Each receiver can be equipped with up to 1 transmitters that support 2 channels, for a total of 10 channels.
Strain gauge transducers, civil engineering transducers with temperature measurement functions, or transmitters compatible with voltage are available.
In addition, for power saving, continuous measurement of about 20 year is possible with the built-in lithium battery (when the measurement interval is 1 hour).
It is very effective for improving the efficiency of on-site measurements such as tunnel displacement, mountainous slopes, and river water levels, which require long-term measurement.
Configuration
- Wireless receiver SRLS-110A
- Transmitter SRLS-100A-S (wireless transmitter for strain) SRLS-100A-V (wireless transmitter for voltage)
- Repeater SRLS-120AS (wireless repeater)
Software SRLS-10A (Control Software)
Specification
Source transmitter model | SRLS-100A-S, SRLS-100A-V |
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Number of transmitters connected | 10 (The startup time differs for each ID because a communication interval of 2 minute is required for each of the two transmitters.) IDs 1 and 1 are activated every hour on the hour, IDs 6 and 2 are activated after 7 minute, IDs 1 and 3 are activated after 8 minutes, IDs 2 and 4 are activated after 9 minutes, and IDs 3 and 5 are activated after 10 minutes to measure and communicate. ) |
Mode of operation | Sleep mode: Sleep mode is in place while waiting for measurement. Magnetic switch or tact switch can be operated even in sleep mode. |
Mode of operation
Receive mode | According to the measurement interval, the built-in clock communicates with the transmitter every hour on the hour. After communication is completed, it enters sleep mode. (Except for the measurement interval “Always” setting.) The measurement interval can be set with a rotary switch. (Measurement interval: always, 10min, 30mim, 1h, 3h, 6h, 12h, 24h) |
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Mode of operation | PC connection mode: When connected to PC, but responds to wireless communication from the transmitter. Built-in clock setting, data collection, and deletion are possible from the dedicated software. |
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Incoming data | Time (year, month, date, time), measured value, battery voltage, equipment temperature (measured value is strain 2 channels, temperature 2 channels, or voltage 2 channels) |
Number of received data stored | 88,000 data , but up to 8,800 data per transmitter (equivalent to data acquired by 10 transmitters measured once an hour for one year) |
Configuration features | Group 1~10 (rotary switch) Measurement interval Always, 10min, 30mim, 1h, 3h, 6h, 12h, 24h (rotary switch) time (PC) |
Display function | LED display 10 points (sensor status, battery level, radio wave status) LCD display (time, group, built-in battery voltage, communication interval, transmitter ID with communication history) (LED display / LCD display can be set / hidden with the slide switch) |
Status check function | LED displays transmitter status, LCD displays operating status (Operate magnet switch or tact switch.) ) |
interface | USB 2.0, USB Micro-B connector |
power
Built-in battery | Lithium primary battery, voltage 3V, capacity 5000mAh* Operation at an ambient temperature of 20 °C (measured once per hour) for about 1 month, but the operating time is shorter at low temperatures. Reference value: Operates at an ambient temperature of 0°C for about 3 weeks, and operates at an ambient temperature of -20°C for about 1 week |
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External power supply | Optional AC Adapter “SA-10A-EDS” Recommended DC 10~16V Connector RM12BRD-4PH (Hirose Electric) |
USB power supply | USB2.0, DC 4.8~5.2V (Bus-powered from USB Micro-B port.) ) |
Current consumption | In reception mode (built-in battery) average approx. 60mA (DC 3V) In reception mode (external power supply) average approx. 60mA (DC 12V) (10 reception operating time when 1 transmitters are connected: approx. 6 minutes) In sleep mode (built-in battery) 1μA or less (DC 3V) In sleep mode (external power supply)
1mA or less (DC 12V) When in PC connection mode (USB power supply) Average approx. 80mA (DC 5V) * When powered by USB, it is always in the startup state and does not sleep. |
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Protective structure | IP3X (protection against foreign solids with a diameter of 2.5 mm or more) |
Operating temperature and humidity range | -20~50°C, 10~95% (non-condensing) *The operating temperature range does not guarantee battery life. * When using the AC adapter “SA-10A-EDS”, which is sold separately, the operating temperature range should be 0~40°C. |
External dimensions | 100(W)×35(H)×100(D)mm (excluding external antenna and connector) |
mass | Approx. 300g (including battery, setting magnet, external antenna) |
Radio Specifications
antenna | External antenna (right angle) |
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Radio modulation method | LoRa Modulation (LoRa Private) |
Radio Wave Certification | Japan |
Wireless communication distance | Line-of-sight of 500m or more * Transmitter and receiver installed at 1m above the ground, 920MHz band interference-free environment |
Frequency channels and radio center frequencies | Group Frequency Channel Center Frequency (MHz) 1 24 920.6 2 28 921.4 3 32 922.2 4 36 923.0 5 40 923.8 6 44 924.6 7 48 925.4 8 52 926.2 9 56 927.0 10 60 927.8 (Frequency channels are linked to groups, so they switch automatically when setting a group) |
Standard Accessories | Built-in battery SRLS-BP1 USB cable N-132 (Type-A—Micro-B 2m) Control software SRLS-10A (CD) setting magnet SRLS-MG1 (with housing)External antenna 1019-008 (installed by R-Flink) |
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Sold separately | Built-in battery SRLS-BP1 (replacement) AC adapter SA-10A-EDS (AC100~240V) External mounting foot SFL-1 (Takachi Electric Industry) Pole mounting bracket SSK-P100 (Takachi Electric Industry)
* Used with screw set SSK-B4-25N (Takachi Electric Industry). |
Dimensions
Remarks
* It does not comply with the radio laws of Japan, so please use it in Japan.
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