Japan, Kyowa Electronic Instruments Co., Ltd.
Kyowa SRLS-100A-V voltage wireless transmitter SRLS-100 Series Long Range Radio Unit
Made in Japan
Manufacturer: Kyowa Electronic Instruments Co., Ltd.
Model: SRLS-100A-V voltage wireless transmitter
- 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
| Receiver model | SRLS-110A |
|---|---|
| Measurement object | voltage |
| Number of input channels | 2 |
| Measuring range | 0～±10.000V |
| resolution | 1mV |
| precision | ± within 0.1%FS (within ±10mV) |
| Temperature stability | Zero: Within ±1.0mV/°C Sensitivity: Within ±0.02%/°C |
| 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. Reception mode: According to the measurement interval, the built-in clock starts up every hour and performs measurement. (The startup time varies depending on the ID.) The measurement data is immediately sent to the receiver, after which it enters sleep mode. The measurement interval can be set with a rotary switch. (Measurement interval: 10min, 30mim, 1h, 3h, 6h, 12h, 24h) PC connection mode: Do not perform measurement when connected to PC. Built-in clock setting, data collection, and deletion are possible from the dedicated software. |
| Measurement data | Time (year, month, date, time), measured value, battery voltage, device temperature (measured value is voltage 2 channels) |
| Number of measurement data stored | 8800 data (equivalent to 1 year in the case of 1 hour measurement) |
| Configuration features | Group 1~10 (rotary switch) Measurement interval : 10min, 30mim, 1h, 3h, 6h, 12h, 24h (rotary switch) ID 1~10 (rotary switch) time ( wireless communication with PC and receiver) |
| Display function | 4 LED displays (1 and 2 sensor status, battery level, radio wave status) |
| Check function | Battery level check, communication check (by operating the magnet switch or tact switch) |
| interface | USB 2.0, USB Micro-B connector |
| Input cable | 0.3mm2, 4-core shielded chloroprene 1m, outer diameter approx. 6mm, bare tip * When using a cable of the same specification, the total cable length can be extended to 100m. |
| 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 year, but the operating time is shorter at low temperatures. (Reference value) Operates at an ambient temperature of 0°C for about 9 months, and at an ambient temperature of -20°C for about 2 months |
| Current consumption | Average in measurement mode: approx. 40mA (approx. 1 seconds per measurement, DC 20V) 3μA or less in sleep mode (DC 1V) |
| Protective structure | IP4X (protection against foreign solids with a diameter of 1 mm or more) * When installing outdoors, place it separately in a waterproof case. |
| Operating temperature and humidity range | -20~50°C, 10~95% (non-condensing) *The operating temperature range does not guarantee battery life. |
| External dimensions | 100(W)×35(H)×100(D)mm (not including protrusions and cables) |
| mass | Approx. 400g (including battery, cable, setting magnet) |
Radio Specifications
| antenna | Built-in antenna |
|---|---|
| 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 setting magnet SRLS-MG1 (already installed) |
|---|---|
| Sold separately | Built-in battery SRLS-BP1 (replacement) 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
SRLS-100A-V
Remarks
* It does not comply with the radio laws of Japan, so please use it in Japan.
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