wireless data solutions

RMU3: Specifications

RMU3-B (Base Unit):

Environmental:
Operating Temperature: -40 to +70C (-40 to +158F)
Storage Temperature: -45 to +80C (-49 to +176F)
Humidity: 0 to 100% RH non-condensing
Pollution Degree: 1
Maximum Altitude: 5000 meters above sea level
Physical:
Size: 135mm x 38mm x 38mm (5.3 x 1.5 x 1.5)
Weight: 200 grams (7 oz)
Enclosure: UV stable, wide temperature polycarbonate
Mounting: Mounted inside a rectifier
Power:
PWR IN Operating voltage range: 9 to 18 volts AC (50/60Hz) or 9 to 22 volts DC
Power (less relay drive): 5 VA maximum (Including RMU3-G)
Power (with relay drive): 15 VA maximum (Including RMU3-G)
Power Source: LPS or Class 2 CSA/UL approved (CSA 60950-1 or UL 60650-1)
Measurement Inputs:
Analog Measurement Type: Category 2 (as per CSA C22.2 61010)
Analog Ranges (DC & AC): +/- 150mVDC only
+/- 22VDC, 16V true RMS
+/-150VDC, 105V true RMS (+/- 119VDC for TEG sources)
4-20mA (with external precision shunt resistor)
AC Rejection on DC Readings: >65dB @ 50/60Hz
External Analog Channels : 4 galvanically isolated, high impedance
Lightning Immunity: Survives multiple 20KV 10mS surges
DC Measurement Accuracy: +/- 0.5% of full-scale
AC Measurement Accuracy: +/- 1.0% of full-scale
ADC Resolution: 16 bits
Temp. Measurement Accuracy: +/-4 C (+/-7 F)
Door / Tamper Switch: Activated by external magnet (included with device kit)
Interruption Output:
Relay drive voltage: 12 volts DC (Pwr In 1VDC)
Relay drive current: 0.75 Amps maximum
Relay contact close dwell: 0-100 ms
Relay contact open dwell: 0-100 ms
Relay contact type: NO or NC
Relay type: Solid state or mechanical

RMU3-G GPS & LTE Cellular (Antenna Unit)

Environmental:
Operating temperature: -40 to +70C (-40 to +158F)
Storage temperature: -45 to +80C (-49 to +176F)
Humidity: 0 to 100% RH non-condensing
Pollution Degree: 2
Mounting: Type 3 Enclosure - Suitable for outdoor use
Power:
Operating voltage range: 8.5VDC nominal, supplied from RMU3-B
Power: 4W maximum
Physical:
Size: 53mm x 77mm x 134mm (2.1 x 3.0 x 5.3)
Weight: 550 grams (1.2lb)
Enclosure: Watertight, UV stable, wide temperature polycarbonate
Backup Battery: Internal 4V/2.8AHr extended temperature sealed lead acid
Communications:
Radio: LTE Cellular
Interruption Timing:
GPS Receiver: Internal 20 channel
GPS Antenna: Internal patch
Timing accuracy: +/-0.5 ms (AC line sync disabled)
+8.8/-0.5 ms (AC line sync enabled)
Off Time: 100 60,000ms in 1ms steps
Cycle Time: 200 60,000ms in 1ms steps
Processing Core:
CPU: 72MHz ARM Cortex-M3 Core
Memory: 1MB Flash, 64KB RAM, 8KB EEPROM

RMU3-S GPS & Satellite (Antenna Unit)

Environmental:
Operating Temperature: -40 to +70C (-40 to +158F)
Storage Temperature: -45 to +80C (-49 to +176F)
Humidity: 0 to 100% RH non-condensing
Pollution Degree: 2
Mounting: Type 3 Enclosure - Suitable for outdoor use
Power:
Operating voltage range: 8.5VDC nominal, supplied from RMU3-B
Power: 4W maximum
Physical:
Size: 53mm x 77mm x 134mm (2.1 x 3.0 x 5.3)
Weight: 550 grams (1.2lb)
Enclosure: Watertight, UV stable, wide temperature polycarbonate
Backup Battery: Internal 4V/2.8AHr extended temperature sealed lead acid
Communications:
Radio: Iridium SBD satellite
Interruption Timing:
GPS Receiver: Internal 20 channel
GPS Antenna: Internal patch
Timing accuracy: +/-0.5 ms (AC line sync disabled)
+8.8/-0.5 ms (AC line sync enabled)
Off Time: 100 60,000ms in 1ms steps
Cycle Time: 200 60,000ms in 1ms steps
Processing Core:
CPU: 72MHz ARM Cortex-M3 Core
Memory: 1MB Flash, 64KB RAM, 8KB EEPROM