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 Modbus RS485；Secondary I/O Analogue Ex d/X
Order Code：NMS81-BC1BA1A2X0AC3AA32AAA1AHJICR
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 | A1 | Modbus RS485 |
| 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 | 3 | 0...25bar/2.5MPa/362psi |
| 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 | AHJ | NPS 6" 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, with ATEX flameproof and intrinsically safe approval, with 6 inch 150 lb American standard flange 316L, 85-264VAC supply, LCD display, main output Modbus RS485, second channel 2 channels 4-20mA HART with RTD, process pressure up to 25bar, M20 connection IP66/68, 16 m range, wire PFA coated 316L, 0.4 mm diameter, PTFE float 30 mm, HNBR seal, -30 to 150°C, suitable for level, interface and density measurement of tanks.
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