W28DM-SD is Universal wireless Led Matrix display use for monitoring parameters like Temperature, Humidity, Pressure, Flow monitor, and Level monitor as per user requirement. W28DM-SD receives the data from remote transmitter supplied by Amptronics and which display the data as per user requirement, and same data is log on USB pen drive with day wise report in CSV or TXT format. The device is inbuilt with GSM, for receiving SMS by user in remote by just giving miss call.
Operating mode, Configuration, SMS service, off set values and other network parameters, can be configure just with one TXT file.
| WIRELESS TEMPERATURE & HUMIDITY (RHT) - AMP-WRHT | |
|---|---|
| Display Type | : 4 Inch, 8*8, 8-digit Bright LED dot matrix display |
| Data Storage | : USB Pen Drive up to 32 GB |
| Data Format | : TXT, CSV for excel format |
| GSM Service | : SMS messaging, * optional for GPRS remote data transfer to server |
| Connection | : Max 3 remote wireless data can be display on one W28DM-SD with periodical time |
| Clock | : 300bps -High precise RTC clock inbuilt |
| Communication type | : Wireless Point to Point, Point to Multi Point |
| Operating Frequency | : 433 MHz, 868MHz, 2.4GHz |
| RF Channels | : 32 |
| Range | : Up to 4km line-of-sight range depending on operating frequency |
| Baud Rate | : 300bps - 19200bps |
| Transmitting power | : 0dBi to 20dBi configurable |
| Packet Size | : 256 bytes with CRC |
| Power supply range | : AC 90-240V, 3Watt |
| Operating temperature/td> | : -40 ~ 85 industrial grade |
| Mechanical size | : 450 * 100 * 60 mm (L * W * H) |
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