Cortalk RMU1 - RMU1 Equipment Specifications

MOBILTEX® DATA LTD.
Calgary, Alberta
www.corTalk.com
TITLE: RMU1 Installation and Configuration Guide
DOCUMENT NO.:
RMU1-MAN-001
SHEET:
50 of 53
REV:
1.14
A. Equipment Specifications
RMU1 Specifications
Operating Temperature
-40 to +60 C (-40 to +140 F)
Storage Temperature
-45 to +80 C (-49 to +176 F)
Maximum Altitude
5000 meters above sea level
Humidity
0 to 100% RH non-condensing
Weight
225 grams (0.5 lbs)
Size
80mm x 80mm x 110mm (3.15”x3.15”x4.33”)
Enclosure
UV stable, wide temperature polycarbonate
Pollution Degree
1
External Analog Channels
2 potential, 1 bond shunt, 1 coupon current
Measurement Type
Category 1 (as per CSA C22.2 – 61010)
Analog Ranges (DC & AC True RMS)
Potential: +/-31VDC, 22VAC
Current: +/-6mADC, 4.25mAAC Low Range
+/-60mADC, 42.5mAAC Med Range
+/-200mADC, 140mAAC High Range
Bond Shunt: +/-6mVDC, 4.25mVAC Low Range
+/-60mVDC, 42.5mVAC Med Range
+/-200mVDC, 140mVAC High Range
AC Rejection on DC Readings
>65dB @ 50/60Hz
Isolated Digital Input
+/-100VDC maximum
<-3VDC or >3VDC for activation (bi-directional sense)
Optically isolated (2500V
RMS
)
Lightning Immunity
Survives multiple 20KV 10mS surges
DC Measurement Accuracy
(over operational temperature)
Potential: +/-1% + 1mV
Current: +/-0.75% + 10uA Low Range
+/-0.5% + 15uA Med Range
+/-0.5% + 35uA High Range
Bond Shunt: +/-0.75% + 2uV Low Range
+/-0.5% + 5uV Med Range
+/-0.5% + 15uV High Range
AC Measurement Accuracy
(over operational temperature)
Potential: +/-1.25% + 5mV, 20mV floor
Current: +/-1% + 5uA, 5uA floor Low Range
+/-1% + 15uA, 50uA floor Med Range
+/-1% + 50uA, 150uA floor High Range
Bond Shunt: +/-1.1% + 25 uV, 5uV floor Low Range
+/-1.1% + 35 uV, 50uV floor Med Range
+/-1.1% + 75uV, 150uV floor High Range
Input Impedance
>20 Mohm (potential)
130 Kohm (bond current shunt)
Coupon Current Shunt
1 ohm
ADC Resolution
16 bits
Temp. Measurement Accuracy
+/-4 C (+/-7 F) over -40 to +60 C (-40 to +140 F)
Battery Life
Typically 10 years based on readings every 7 days
Internal Battery Measurement
OK, Warning and Low conditions displayed on corView
Communications
Globalstar Simplex Satellite (RMU1-S)
Iridium SBD Satellite (RMU1-I)
Cellular UMTS B2,5 and LTE B2,4,5,12,13 (RMU1-G)
GPS Receiver
72-channel u-blox M8
Datalogger Storage
(Factory Enabled Option)
1 million reading points