| |
M400 |
M402 |
| Pressure Measurement |
single pressure sensor (specified by customer) |
dual pressure sensors – any two gauge, compound or absolute sensors, mix and match as desired |
| Accuracy: |
±0.025% of Reading from 10 - 100% FS, ±0.002% of Full Scale under 10% of FS |
| Temperature Performance: |
Accuracy includes all affects of temperature from -20º to +50º C (-4º to +122º F) |
| Resolution: |
select Accurate digits Right Of Decimal (AROD) or Precision digits Right Of Decimal (PROD) |
| Engineering Units: |
32 user selectable pressure units |
| Pressure Limits |
| DN sensors: |
2x range when pressurized on P1 (HI) side only, 150 PSI when applied simultaneously to P1 (HI) and P2 (LO) sides. |
| DI sensors: |
3x range when pressurized on P1 (HI) side only, 3x range or 150 PSI (whichever is less) on P2 (LO) side only 1000 PSI when applied simultaneously to P1 (HI) and P2(LO) sides. |
| GI, CI, AI sensors: |
2x range |
| Media Compatibility |
| DN sensors: |
Non-isolated for clean, dry, non-corrosive gases only (Brass, 316L SS, Silicon gel) |
| DI sensors: |
Isolated for fluids compatible with 316L SS and Viton GI, CI, AI sensors: Isolated for fluids compatible with 316L SS |
| Voltage & Current, Measurement, Sourcing, Sinking |
| DC Voltage: |
±50 VDC measure, 0 – 24 VDC source |
| DC Current: |
±100 mA DC measure, 0 – 24 mA DC source, 0 – 24 mA sink at 3-50 VDC external power |
| Accuracy: |
±(0.015% of Reading +0.002 units) |
| Temperature Performance: |
Accuracy includes all affects of temperature from -20º to +50º C (-4º to +122º F) |
| Resolution (measure mode): |
0.001 V, 0.001 mA or 0.0001 V, 0.0001 mA (user selectable) |
| Loop Power |
250Ω HART resistor included
24 VDC @ 4mA, 18.5 VDC @ 20mA
Four (4) AA alkaline batteries power a transmitter at 20 mA output for 10 hours |
| Temperature |
| Operating: |
-4 to 122°F (-20 to 50°C) |
| Storage: |
-40 to 140°F (-40 to 60°C) |
| Connections |
| Pressure: |
1/8” NPT (female) |
| Electrical: |
Standard banana jacks on ¾” centers Firmware updates, data retrieval: USB mini-B (female) |
| Power |
| Portable service: |
Four (4) AA alkaline batteries provides 30+ hours of continuous measurement service |
| Operation with PC: |
Power over USB using USB type A to mini-B cable (requires high power 500 mA port) |
| Display: |
128 x 128 pixel (2” x 2” viewable) monochrome display with backlight |
| Keypad: |
Sealed membrane keypad with molded dome switches and integrated Adaptive Interface Wheel |
| Enclosure: |
8.5” L x 3.75” W (max.) x 2.25” D (max.), polycarbonate case, Softflex® over-molded bumpers, IP40 |
| Weight: |
M400 single sensor: 1.5 – 1.8 lbs |
M402 dual sensor: 1.8 lbs |
| Firmware Features: |
Sensor Zero, Sensor Damping, Averaging (pending), Minimum/Maximum capture, Tare (pending), Units Select, Data Logging, Data Logging Record Indicator, Selectable Off Timer, Selectable Backlight Timer, Adjustable Contrast, Adjustable Backlight Brightness, Battery Monitor |
| Field Recalibration: |
All sensors can be recalibration in the field using suitable reference standards. M4 Series products may also be returned to Meriam for factory recertification / recalibration service. |