ULTRA Wireless 0-20 mA Current Meter - AA Battery Powered (900 MHz)Part Number: E2ES2-9-W2-MA-020
E2E's ULTRA wireless 0-20mA current meters are capable of measuring the current off another device or sensor, up to 20mA (DC), by connecting the leads of the sensor to the positive and ground terminals of the device being measured. Examples of interfacing devices include, but are not limited to: Current transducers (CTs) with outputs up to 20 mA, pH sensor, dissolved oxygen sensor, pressure sensor, magnetic flow meters, velocity or acceleration sensors, industrial vibration sensors, industrial accelerometers, any kind of sensor that specifies the output is in (mA) within the range of 0 – 20.
ULTRA - Leading Enterprise Grade "Internet of Things" Solutions
ULTRA sensors offer 3 to 4 times the range of standard sensor platforms, extending non-line-of-sight reach to an exceptional 1,200+ feet through walls (12-14 walls typical). Using Frequency-hopping Spread Spectrum (FHSS) also allows ULTRA sensors to have better interference immunity from other wireless devices.
Superior power management provides ULTRA sensors with almost twice the battery life of E2E’s standard wireless sensors.
- Coin cell sensors typically last 3+ years.
- AA and Industrial sensors typically last up to 12+ years.
Integrated on-board data storage allows ULTRA sensors to store data messages if communication to a wireless gateway is disrupted (power outage, Internet outage, or out of range). Messages that can’t be delivered will be time-stamped and stored in memory (up to the last 512 messages) until communication with the gateway is restored, at which point the messages will all be transmitted.
Over-the-air updates allow ULTRA products to be updated remotely if new fixes or features become available.
The standard version of this sensor is powered by two replaceable 1.5 V AA sized batteries (included with purchase). This sensor is also available with a line power option. The line powered version of this sensor has a barrel power connector allowing it to be powered by a standard 3.0 - 3.8 V power supply (Included with Line Power option upgrade). The line powered version also uses two standard 1.5 V AA batteries as backup for uninterrupted operation in the event of line power outage.
Power options must be selected at time of purchase, as the internal hardware of the sensor must be changed to support the selected power requirements.
- Interfaces with sensors between 0-20 mA.
* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables.
What does this wireless sensor's data look like in software?
0-20 mA Current Meter Specifications
|Resolution||~ 0.01 mA (11-bit single ended)|
|Accuracy||Uncalibrated: 0.7mA, 0.35mA typical
|Conversion Time||228 µs|
|Full Scale Voltage||0 - 20 mA|
|Security||Encrypted RF (256-bit key exchange and AES-128 CTR)|
ULTRA AA Specifications
|Battery Type||2 Replaceable AA 1.5 V Batteries|
|Dimension||4.375 in x 2.470 in x 1.12 in|
|Supply Voltage||2.0 - 3.8 V (2 x AA 1.5V Batteries or Optional Power Supply)|
|Battery Life||At 1 hour heartbeat setting, included AA batteries will typically last 6-8 Years. **|
|Max Operating Temperature Using AA Alkaline||-18°C to 55°C (0°F to 130°F)|
|Max Operating Temperature Using AA Lithium||-40°C to 60°C (-40°F to 140°F)|
|Optimal Battery Operating Temperature||+10°C to +50°C (+50°F to +122°F)|
ULTRA 900 MHz Specifications
|Operating Frequency||900 MHz Operating Frequency|
|Certifications||Complies with Part 15 of the FCC Rules.
Complies with Industry Canada standards.
|Device Range||Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*|
|Security||Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)|
What's in the box?
- Wireless Sensor
- Mounting Hardware
- 2 x AA Batteries