| Meriam MDT500 General Specifications |
| Media Compatibility |
Clean, dry, non-corrosive gases only
(brass, 316 SS, Viton, Silicon gel) |
Supported Operating
Systems |
Vista
Windows XP
Windows 7 |
| Environment |
.NET Framework 4.0 |
Software Development Kit
(SDK) |
Example Programs with Source Code in LabVIEW ® and C#
Supporting .NET (C# / VB) |
| Operating Temperature |
–4 °F to 122 °F (–20 °C to 50 °C) |
| Pressure Update Rate |
7 readings per second from both differential and absolute pressure sensors |
| Optional Pressure Ranges |
Differential Sensor |
o 12 inches water column at 20 °C.
o NIST Traceable Accuracy: ± 0.05 % of full scale including all effects of linearity, repeatability, hysteresis, and temperature (–20 °C to 50 °C) |
| Absolute Sensor |
o 38 psia
o 100 psia
o NIST Traceable Accuracy: ± 0.025 % of full scale including all effects of linearity, repeatability, hysteresis, and temperature (–20 °C to 50 °C) |
| Over Range Limits |
Differential Sensor |
o 2x range when pressurized on P1 (HI) side only;
o 150 psi when applied simultaneously to P1 (HI) & P2 (LO) sides |
| Absolute Sensor |
2x range |
| Media Compatibility |
Differential Sensor |
Clean, dry, non-corrosive gases only (brass, 316 SS, Viton®, Silicon gel) |
| Absolute Sensor |
Media compatible with 316 SS |
| Resistance or Temperature Measurement |
| NIST Traceable Accuracy |
± 1 °F including all effects of linearity, repeatability, hysteresis, and temperature with Pt100 Probe connected. |
| Operating Temperature |
–4 °F to 122 °F (–20 °C to 50 °C) |
| Temperature Update Rate |
14 readings per second |
Temperature Sensor
Specifications |
Accuracy |
Class A Tolerance Class (per IEC 60751) |
Temperature
Range |
58 °F to 482 °F (-50 °C to 250 °C)
Connector is 185 °F (85 °C Max) |
| Material |
316L stainless steel sheath and housing |
Temperature
Probe |
Pt100 — 100 ohms at 0 °C,
0.00385 TCR (alpha) |
Probe
Dimensions |
1/4" diameter, 6" long |
| Connections |
5-meter-M12, molded cord set |
| Mechanical |
P1 and P2 Pressure Ports |
1∕4" NPT (female) |
| Flushing Ports |
5/16 – 24 SAE/MS J1926 (316L SS plugs included) |
Electrical /
Communication |
USB |
type B female connector |
| Analog |
circular, locking connector for RTD probe |
| Power Requirements |
Computer USB |
high power (500 mA) USB port or USB hub
Note: Computer USB ports and USB hubs with power adapters that are typically high power. |
| Enclosure |
Protection |
IP40 |
Dimensions
(in./mm) |
H x 2.6", W x 3.6", L x 5.6" |
| H x 66 mm, W x 91 mm, L x 142 mm |
| Material |
Plastic (ABS) |
| Weight |
1.5 lbs. |
| Hook-up fittings add 0.26 lbs. (0.118 kg) |
| Mounting |
Laminar Flow Element mounting hardware provided. |
| Temperature Limits |
Operating |
–4 °F to 122 °F (–20 °C to 50 °C) |
| Storage |
–40 °F to 185 °F (–40 °C to 85 °C) |
| Humidity Limits |
Operating |
5–95 % RH |