ALTA industrial wireless AC Current Meters measure the RMS current of an alternating current (AC) system using a current transformer (CT) that wraps around the "hot" wire of a two wire (hot, common, ground(optional)) power system. The sensor reports Minimum RMS current, maximum RMS current, average RMS current, and amp hours to the iMonnit system. The iMonnit system is capable of generating watt hour or kilowatt hour readings as well.
WARNING: This AC current meter is for monitoring AC voltage only. Do Not Use with DC voltage.
* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables.
AC Current Meter Specifications |
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| Absolute Max CT Current | 50 Amps RMS (Arms) |
| Maximum Accurate CT Current | 20 A rms |
| Frequency Measurement Range | 50 – 100 Hz |
| Accuracy | +/- 2% @ 2 to 20 Arms, +/- .07 Arms @ < 2 Arms |
| Calibrated Accuracy with Appropriate Offset | +/- 1% @ 2 to 20 Arms, +/- .035 Arms @ < 2 Arms |
| Offset Limits | -1.27 to + 1.27 Arms (default set to +.1 Arms) |
| Measurement Resolution | ~.01 Arms |
| Weight | 3.7 oz. |
Variation Specifications |
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| Security | Encrypt-RF® (256-bit key exchange and AES-128 CTR) |
| UL Rating | UL Listed to UL508-4x specifications (File E194432) |
ALTA Industrial Specifications |
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| Supply Voltage | 2.0 - 3.8 VDC |
| Battery Type | Replaceable 3.6V, 1800mAH (single AA sized) |
| Battery Life | Up to 10 Year Battery Life.** |
| Max Operating Temperature | -40° to 85°C (-40° to 185°F) |
| Optimal Battery Operating Temperature | +10°C to +50°C (+50°F to +122°F) |
| Solar Power Option | 3.0 VDC Solar Panel 600 mAH Rechargeable Battery (>2000 Charge Cycles - 80% of Initial Capacity) Charging Temperature Range: 0° to 45°C (32° to 113°F) Max Temperature Range: -20° to 60°C (-4° to 140°F) |
| Enclosure Material | IP65, NEMA 4X, CE rated, sealed, weatherproof enclosure |
| UL Rating | UL Listed to UL508-4x specifications (File E194432) |
| Dimension | 3.7 in x 2.32 in x 1.38 in |
ALTA 900 MHz Specifications |
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| Operating Frequency | 900 MHz Operating Frequency |
| Certifications | Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1) Complies with Industry Canada standards. (IC: 9794A-G2SC1) |
| 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) |
