Madgetech RFCurrent2000A (20 mA) 无线电流数据记录器 (-2 mA to +30 mA)

General: 

Memory: 32,256 readings

Reading Rate: 1 reading every second up to 1 reading every 24 hours

Baud Rate: 250000

Channels: 1

LED Indicators: Green, Blue & Red

Battery Life: 4 years typical at a 15 minute reading rate

Material: ABS plastic

Dimensions:  3.19 in x 3.5 in x 0.95 in (80.9 mm x 88.9 mm x 24.1 mm) - Data logger only

IP Rating: IP22

Operating Environment: -20 °C to +60 °C (-4 °F to +140 °F), 0 %RH to 95 %RH non-condensing

Required Interface Package: RFC1000 (wireless); USB to Mini USB Cable

Approvals: US (FCC), CA (IC), CE, South Korea (KCC), China (CMIIT), Japan (LCIE)

Current: 

Measurement Range: -2 mA to +30 mA

Maximum Voltage Between Inputs to Ground: 2.5 V

Measurement Resolution: 0.0005 mA for 20 mA

Calibrated Accuracy: ±0.0025 mA

Input Impedance: 10 Ω

Absolute Maximum Current:  ±232 mA for 2 Seconds

Input Connection: Terminal Ports: one positive, one negative and a ground terminal port

Analog Conversion Time: 150 mS

Frequency Rejection: 50+60 Hz

Temperature Coefficient: < ±50 ppm/°C typical

Response Time: 0.15 Seconds at Sensor

Wireless: 

RF Carrier Frequency: 2.45 GHz IEEE 802.15.4 ultra-low power MadgeNET Wireless Transceiver with fully by-directional communication.

Output Power: +0 dBm typical

Receiver Sensitivity: -95 dBm typical

Typical outdoors Line of sight: Up to 2000 ft

Typical Indoors line of sight: Up to 500 ft

Datasheet