The 1500 Digital Pressure Transmitter is ideal for pressure measurement needs from 10” H2O (pending) to 3000 psig with digital and analog options. Reference types include differential(dry/dry, wet/wet), gauge, compound and absolute.
Output Options
Digital (use Meriam Serial Protocol or Modbus RTU Protocol)
RS-232: 19200 baud (adjustable), 8 data bits, 1 stop bit, no parity
RS-485: half duplex, 3-wire TR-1, TR-0, signal ground, 19200baud (adjustable), 1 start bit, 1 stop bit, no parity.
Multi-drop addressing for up to 255 devices (MSP) or 246 devices
(Modbus) RTU
USB: USB 2.0
Analog
4 – 20 mA: 2-wire loop powered, 3-wire, 4-wire systems.
0 – 5 VDC Analog: 3-wire, 1 – 5 VDC is user configurable
Two SPST alarm switches, 80V DC, 100 mA maximum, 3-or 4-wire systems only
USB type B connector Easy rear panel access
Connections
Pressure: 1/8” NPT (female)
Electrical / Communications / Output:
Power: 7 position terminal block; 1.3 mm diameter holes for 16 – 25 gauge solid or stranded wire
RS-232: DB-9 (female) Serial Connector or 7 position terminal block
RS-485: DB-9 (female) Serial Connector or 7 position terminal block
USB: U SB type B female connector
Analog: 7 position terminal blocks, two each
Power Requirements
RS-232, RS-485: 8 – 36 VDC, 20 mA minimum
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: 15 – 36 VDC, 25 mA minimum
mA, 4-wire: 8 – 36 VDC, 25 mA minimum
V, 3-wire: 8 – 36 VDC, 25 mA minimum
Power Consumption
RS-232: 110 mW (maximum)
RS-485: 110 mW (maximum)
USB: 100 mW (maximum)
Convenient Panel Mounting
Examples: M1500-DN0415 = M1500, Differential Non-isolated, 0 – 415” H2O full scale measurement
M1500-GI1000 = M1500, Gauge Isolated, 0 – 1000 PSIG full scale measurement
M1500-CI0100 = M1500, Compound Isolated, -14.7 to +100 PSIG full scale measurement
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