| General |
|---|
| Operating Temperature | -40 C to +70 C |
| Humidity | +95% non-condensing |
| Environmental Protection |
|---|
| PCB Treatment | Conformally coated for H2S environment |
| Signal Connectors | Gold Plated |
| Power Connectors | Nickel Plated |
| PCB mounting | PVC snaptack, requiring no screw; vibration resistant |
| Local Operator Entry |
|---|
| Display | 4 x 20 LCD |
| Keys | 5 x 4 wide pattern Membrane |
| Low Power Mode | Power down after 20 minutes |
| Enclosure, Single Well Unit |
|---|
| Material | 0.090" thick aluminum |
| Finish | White Epoxy, suitable for off-shore use |
| Gasket | Neoprene |
| Locking Mechanism | Padlock with outdoor-style combination lock |
| Enclosure, Multiple Well Unit |
|---|
| Material | NEMA 4X, UV-resistand, 25% figerglass-reinforced polyester |
| Gasket | Neoprene |
| Locking Mechanism | Twist Padlock |
| Electronic Board Set |
|---|
| CPU | 16-bit NEC V25+ |
| Memory | 640k RAM maximum, Lithium battery backup; |
| 128k flash ROM |
| Crystal | 16 Mhz |
| Watchdog Timer | CPU and Radio Protection |
| A/D | 12-bit |
| Communication Ports | 2, RS232 |
| Modem | Low Power 1200 bps, standard |
| Address | Dip Switch selectable, 255 stations |
| Realtime Clock | Onboard |
| Power Source | 117 VAC +20%; 2-hour battery backup; battery charger on board; low voltage cutoff at 10.8 VDC |
| Radio (can be customer specified) |
|---|
| Make | EF Johnson |
| Frequency Range | 450-480 Mhz |
![[Back to Product Info]](../GIF/back.gif){kind=small}