Product family：
Servo tank gauge NMS81
Servo tank gauge NMS81
Proservo NMS81；Approval ATEX II 1/2G Ex db [ia Ga] IIC T6 Ga/Gb；Terminal Type Spring terminals；Power Supply/Display 85-264VAC; LCD + operation；Primary Output WM550；Secondary I/O Analogue Ex d/XP, 2x 4
Order Code：NMS81-BC1BC1A2X0AC1AA32AAA1AGJICR
Name：Proservo NMS81
Configuration
| Code | Name | Order | Specification |
|---|---|---|---|
| 010 | Approval | BC | ATEX II 1/2G Ex db [ia Ga] IIC T6 Ga/Gb |
| 020 | Terminal Type | 1 | Spring terminals |
| 030 | Power Supply; Display | B | 85-264VAC; LCD + operation |
| 040 | Primary Output | C1 | WM550 |
| 050 | Secondary I/O Analogue | A2 | Ex d/XP, 2x 4-20mA HART, 2x RTD input |
| 060 | Secondary I/O Digital Ex d/XP | X0 | Not selected |
| 070 | Housing | AC | Transmitter Alu, coated, process 316/316L |
| 080 | Process Pressure | 1 | 0...0.2bar/20kPa/2.9psi |
| 090 | Electrical Connection | A | Thread M20, IP66/68 NEMA Type 4X/6P Encl. |
| 110 | Measuring Range; Wire; Diameter | A3 | 16m; PFA>316L; 0.4mm |
| 120 | Displacer Material; Type | 2AA | PTFE; 30mm cylindrical |
| 130 | Process Sealing | A1 | HNBR -30...150oC/-22...302oF |
| 140 | Process Connection | AGJ | NPS 4" Cl.150 RF, 316/316L flange ASME B16.5 |
| 150 | Accuracy, Custody Transfer Approval | ICR | Standard version, w/o calibration certificate |
Configuration Explained
This is an NMS81 servo tank gauge, ATEX flameproof plus intrinsically safe approval, 85-264VAC wide power supply, LCD display with operation keys, main output WM550, second channel 2 channels 4-20mA HART plus 2 RTD inputs, aluminium transmitter housing with external coating, process pressure up to 0.2bar, range 16 m, PFA coated 316L wire 0.4 mm, 30 mm PTFE cylindrical float, HNBR seal resistant to -30 to 150°C, 4 inch 150 lb American standard flange, suitable for tank level, interface and density measurement.
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