| 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. |
| Note |
The GSM radio module will not communicate below -30°C (-22°F) |
| 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 |
| WiFi |
| Network Standards |
IEEE 802.11b ; IEEE 802.11g - NOTE: Pre-N routers are Preliminary and should not be used with an Onset U30 Wi-Fi Remote Monitoring Systems at this time. |
| Frequency Range |
2.412 – 2.484 GHz |
| Antenna Connector |
1, no diversity supported. |
| Data Rates |
1,2,5.5,11Mbps(802.11b) 6,9,12,18,24,36,48,54Mbps(802.11g) |
| Radio |
Number of Selectable Sub-channels Up to 14 channels. Profiles available will include USA, France, Japan, Spain, Canada and “Other” (multiple countries) |
| Radio |
Modulations: OFDM, DSSS, DBPSK, DQPSK, CCK , 16QAM, 64QAM |
| Radio |
Antenna Connector: 1 |
| Security |
WEP 64/128, WPA – PSK, TKIP, AES end-to-end encryption |
| Maximum Receive Level |
-10 dBm (with PER < 8%) |
| Receiver Sensitivity |
-72dBm for 54Mbps -87 dBm for 11Mbps -89 dBm for 5.5Mbps -90 dBm for 2.0Mbps -92 |
| dBm for 1.0Mbps |
| Antenna Type |
Internal Antenna with Reverse SMA connector |
| 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 |