User`s manual

NexSens Technology, Inc.
iSIC User‟s Manual 86
4.3 Powering the iSIC
The NexSens iSIC is powered from an internal battery. The addition of a float charger or solar
panel can provide constant re-charging of the battery for prolonged use scenarios.
Before data can be retrieved from your sensors, power must be supplied to the iSIC. To do so,
open the iSIC enclosure and unscrew the battery mounting plate. Next, lay the battery sideways
against the iSIC plate as shown in the picture below. Re-attach the battery mounting plate and
connect the red and black power wires to the power terminals on the battery.
Connect the Red and Black wires to the battery terminals. Red goes
to the positive terminal and Black goes to the negative terminal.
Also, the battery terminals are color-coded to match the wires.
For most applications, external power to sensors is accessible through the terminal connectors
inside the iSIC enclosure. This is adequate for low-current sensors and cable lengths less than
50 feet. However, if a high-current sensor or cable length greater than 50 feet is necessary,
then a separate power cable must be run from the sensor directly to one of the iSIC‟s internal
terminal strips.
The iSIC requires either a float charger or an external solar panel for constant battery re-
charging. Both connect to the MS2 connector.
NexSens offers a variety of batteries. The A01 – 8.5 Ah battery comes standard with every iSIC.
A01 – 8.5 Ah Battery:
A03 – 26 Ah Battery:
A09 – 55 Ah Battery:
The A01 – 8.5 Ah Battery comes with every iSIC data logger and fits directly into the iSIC
enclosure. The A03 and A09 Batteries require installation outside of the data logger. The
NexSens AVSS Stainless Steel enclosure can water tight seal as well as offer tamper proof wiring
for the data logger and 26 Ah battery.
Note: Due to the self-discharge characteristics of lead acid batteries, it is imperative that
they be charged after 6-9 months of storage, otherwise permanent loss of capacity might
occur as a result of sulfation.