Specifications – Meriam M1500 Digital Pressure Transmitter User Manual
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Specifications
Specifications
Specifications
Specifications
NIST Traceable Accuracy
Digital: ± 0.025% of FS including all affects of linearity, repeatability, hysteresis and temperature*
Analog: ± 0.035% of FS including all affects of linearity, repeatability, hysteresis and temperature*
The DN0010 sensor accuracy is:
Digital: ± 0.050% of FS
Analog: ± 0.056% of FS
*Temperature Performance: Accuracy statement includes all affects of temperature from -20º to +50º C (-4º to
+122º F)
Update Rate, Single pressure sensor: 14 samples per second
Update Rate, Dual pressure sensors: 7 samples per second
Engineering Units: 32 user selectable units, two user defined units
Pressure Limits
DN sensors: 2x range when pressurized on P1 (H
I
) side only, 150PSI when applied simultaneously to P1 (H
I
) and P2
(LO) sides.
D
I
sensors: 3x range when pressurized on P1 (H
I
) side only, 3x range or 150 PSI (whichever is less) on P2 (LO)
side only 1000 PSI when applied simultaneously to P1 (H
I
) and P2 (LO) sides.
G
I
, C
I
, A
I
sensors: 2x range
Zeroing limits
DN, D
I
, G
I
and C
I
sensors: ±5% FS
A
I
sensors: 100 microns (absolute zero reference)
Media Compatibility
DN sensors:
Non-isolated for clean, dry, non-corrosive, non-
condensing gases only (Brass, 316L SS, Silicon gel)
D
I
sensors:
I
solated for fluids compatible with 316L SS & Viton
®
(standard)
G
I
, C
I
, A
I
sensors:
I
solated for fluids compatible with 316L SS
Digital Communication: Meriam Serial Protocol, DLL or LabVIEW
®
RS-232: 19200 baud (adj.), 8 data bits, 1 stop bit, no parity.
RS-485:
Half duplex, 3-wire (A, B, GND), 19200 baud (adjustable), 1 start bit, 1 stop bit, no parity. Multidrop
addressing with up to 255 devices using Meriam Serial Protocol.
USB: USB 2.0
Analog Outputs
Current: 4–20 mA, 2-wire loop powered or 4-wire systems, minimum loop impedance is 50Ω
Voltage: 0–5 VDC, 4-wire
Switches: 2 each, solid state opto-coupler SPST switches
Rated for 80V DC, 100 mA max.
For use 4-wire 4–20 mA or 4-wire 0–5 VDC only.
Connections
P1 & P2 Pressure Ports:
1
⁄
8
” NPT (female)
Flushing Ports: 5/16 – 24 SAE/MS J1926 (316L SS plugs included)
Electrical / Communication
Power: 7 position terminal block (1.3 mm diameter holes suitable for 16 – 25 gauge solid or stranded wire)
RS-232: DB-9 (female) connector or 7 position terminal block
RS-485: DB-9 (female) connector or 7 position terminal block
USB: type B female connector
Analog: 7 position terminal block (two each), 4 position terminal block & USB mini-B