| RX250AL Receiver Logger |
| Number of channels |
250 maximum (a channel is the equivalent to a sensor
input) |
| Number of Transmitters |
125 maximum |
| Memory |
Non-volatile 256k readings is standard, optional expansion
up to 2Mb |
| Power Supplies |
External: 12V DC at 500 mA
Internal: six size AA nickel
metal hydride rechargeable cells |
| Backup Battery Life |
24 hours operation from a full charge |
| Clock Accuracy |
1 second/day @20°C |
| Physical Details |
Dimensions: D 60mm x W 180mm x H 120mm
Weight (including
batteries): 1 kg.
Material: ABS - blue suede finish |
| Computer/ modem Interface |
RS232C up to 38400 baud. 2 serial interfaces are
available. |
| PC Interface |
Connector 6 pin female mini-DIN |
| Connectors |
SMA antenna connector – can be used with supplied deatchable
antenna or optional external antenna |
| Indicators |
Warning of low battery at transmitter, warning of invalid
reception
Confirmation of valid reception |
| User controls and LCD display |
3 button keypad with 2 line 40 character display for monitor and
set-up and data down load control |
| Options |
Models available with Alarms and SMS texting. |
| Software |
Darca Plus system set-up and download software with graphing,
scheduling and text messaging. |
| Communications options |
Ethernet, GSM and USB connectivity available as options |
| RP250GD Repeater |
| Controls and Indicators |
There are no user controls. (A button is accessible
through the rear cover to power down the unit to prevent discharge
of internal batteries)
A status LED on the top panel is provided. |
| Connectors |
SMA
antenna connector – can be used with supplied detachable antenna or
optional external antenna
External 12VDC supply 2.1mm Jack socket |
| Configuration |
Can
be used in “radial” or “tandem” applications |
| Physical Details |
Dimensions: D 41mm x W 80mm x H 130mm
Weight (including
batteries): 450 grams
Case: drawn aluminium with midnight blue moulded
plastic end caps. |
| Power Supplies |
External: 12V DC at 500 mA
Internal: six size AA nickel
metal hydride rechargeable cells |
| Backup Battery Life |
72
hours operation from a full charge |
| Wall bracket |
Built-in "joggle-fit" tamper resistant wall fixing. An
optional wall bracket provides secure fixing. |
| Transmitters |
| Controls |
A concealed switch accessed through the rear cover
enables the transmitter to be set in test mode or switched on/off. |
| Indicator |
Status LED |
| Connectors |
SMA
antenna connector – can be used with supplied internal antenna or optional
external antenna |
| Types |
Refer to the transmitter type table in
www.eltekdataloggers.co.uk/transmitter.shtml |
| Battery |
4 x
AA Alkaline |
| Battery Life |
More
than 5 years (at 5 minute transmit interval) |
| Resolution |
12
bit – 16 bit |
| Channel options |
1,2,4 and 8 (sensor inputs) |
| Case Dimensions |
Compact version (GC-) 41 x 80 x 99 mm (includes probe
turret)
Standard version (GS-) 41 x 80 x 104 mm, Extended version (GL-) 41
x 80 x 125mm |
| Construction |
Drawn aluminium with midnight blue moulded plastic end
caps. |
| Wall bracket |
Built-in "joggle-fit" tamper resistant wall fixing. An
optional wall bracket provides secure fixing. |
