| Normal operating range |
-20°C to 40°C (-4°F to 104°F) |
| Extended operating range |
-40 to 60°C (-40 to 140°F) - see "Rechargeable Battery service Life" for impact of operations in Extended Operating Range. |
| Sensor Inputs |
5 standard; option to expand to 10 |
| Smart Sensor Compatibility |
Compatible with most Onset smart sensors |
| Data Channels |
Maximum of 15 (some sensors use more than one data channel) |
| Alarm Output Relay |
Can be configured to be activated, deactivated or pulsed on user-defined sensor alarms. The relay can be configured as normally open or normally closed, and is rated for 30 V and 1 amp max. |
| Expansion Slot |
One expansion slot is available for factory-installed expansion port. |
| Local Communication |
Full Speed USB via USB mini-B connector |
| Size |
17.8 H x 11.7 D x 19.3 W cm (7.0 H x 4 .6 D x 7.6 W inches) |
| Weight |
2 kg (4 lbs 10 oz) |
| Materials |
Outer Enclosure: Polycarbonate/PBT blend with stainless steel hinge pins and brass inserts |
| Inner Enclosure |
Polycarbonate with brass inserts |
| U-Bolts |
Steel with zinc dichromate finish |
| Gaskets |
Silicone rubber |
| Cable entry channel |
EPDM rubber |
| Cable entry bars |
Aluminum with ABS plastic thumb screws |
| Data Storage Memory |
Nonvolatile flash data storage, 512K bytes local storage |
| Memory Modes |
Stop when full, wrap around when full |
| Operational Indicators |
Up to seven (depending upon options) status lights provide basic diagnostics |
| Logging Interval |
1 second to 18 hours, user-specified interval |
| Battery Type |
4 Volt, 10 AHr Rechargeable sealed lead-acid |
| Rechargeable Battery Service Life |
Typical 3–5 years depending upon conditions of use. Operation within the extended operating range (but outside the normal range) will reduce battery service life. |
| Time Accuracy |
0 to 2 seconds for the first data point and ±5 seconds per week at 25°C (77°F) |
| Environmental Rating |
Weatherproof enclosure, tested to NEMA 6. (Requires proper installation of cable channel system) |
| Mounting |
3.8 cm (1.5 inch) mast or wall mount |
| Enclosure Access |
Hinged door secured by two latches with eyelets for securing with user-supplied padlocks |
| Alarm Notification Latency |
Logging interval plus 2–4 minutes (typical). Onset is not responsible for failed connections or undelivered mail/text messages. |
| Alarm Output Relay |
One relay contact closure can be configured as normally open, normally closed, or pulsed. |
| Voltage |
t30 V Current: 1 amp max. |
| Sensor Network Cable Length |
100 m (328 ft) maximum |
| External Power |
External power is required. The system optionally accepts the following Onset solar panels:
SOLAR-1.2W
SOLAR-3W
SOLAR-6W |
| Alternatively it accepts an AC power adapter |
AC-U30 |
| Ethernet |
| Interface |
Ethernet 10Base-T or 100Base-TX (Using external RJ45 Jack) |
| Encryption |
256-bit AES Rijndael encryption |
| RJ 45 Jacks |
1 |
| Optional Analog Sensor Port Specifications |
| Input Channels |
Two, single-ended |
| Field Wiring |
Two- or three-wire via screw terminals on detachable connector, 16–24 AWG. |
| Replacement detachable connectors |
Part of spares kit, Part No. A-FS-CVIA-7P-1 |
| Input Range |
User-configurable: 0–20 mA DC, 0-2.5 VDC, 0-5 VDC, 0-10 VDC, or 0–20 VDC |
| Minimum / Maximum Input Voltage |
0 / 24 VDC |
| Minimum / Maximum Input Current |
0 / 24 mA DC |
| Minimum Current Source Impedance |
> 20 KO |
| Accuracy |
± 0.25% of FSR from 50mV to FSV |
| ADC Resolution 12 bits |
| Excitation Power |
Switched 12 VDC, up to 50 mA; user-selectable warm-up from 5msec to 2 minutes |