Meriam M1500 Digital Pressure Transmitter - Manual (Page 27)

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Power Requirements by Communication / Output Type
RS-232, RS-485: 8 – 36 VDC max., 20 mA min.
USB: high power (500 mA) USB port or USB hub (PC USB ports and USB hubs with power adapters are typically
high power)
mA, 2-wire: 24 – 36 VDC max. (24 VDC recommended), 60 mA min.
mA, 4-wire: isolated loop supply of 24 – 36 VDC max., 60 mA min.
external power supply of 12 – 36 VDC max., 60 mA min.
V, 4-wire: 12 – 36 VDC max., 60 mA min.
Note: To achieve best accuracy use a power supply(s) with equal or better specifications as the Agilent E3630A:
Ripple & Noise from 20 Hz to 20 MHz
Normal Mode Voltage rms: 350 µV
Peak to Peak: 1.5 mV
Load and Line Regulation:
0.01% + 2 mV
Enclosure: 4.625” L x 2.125” W x 1.25” H, Aluminum case, 316LSS pressure manifold, IP40 rating
Weight: 10.5 oz for DN, G I , C I or A I pressure types, 16 oz for D I type
Mounting: Panel and DIN rail mounting hardware are standard
Temperature Limits
Operating: -4 to 122°F (-20 to 50°C)
Storage: -40 to 185°F (-40 to 85°C)
Humidity Limits: 5 – 95% RH
Shock: 30 g peak, half-sine, 11ms pulse (tested in accordance with IEC-60068-27)
Vibration:
5 to 2000 Hz, 6.0 g
rms
(tested in accordance with IEC-60068-27)
Certifications: CE Mark