Specs at a glance
-
Accuracy
up to 0.4 mm
-
Process temperature
-200°C...200°C
(-328°F...392°F) -
Process pressure / max. overpressure limit
up to 25 bar (363 psi) abs
-
Max. measurement distance
47 m (154 ft)
-
Main wetted parts
316L, AlloyC276, PTFE
Field of application
The intelligent tank gauge Proservo NMS81 is designed for high accuracy liquid level measurement in custody transfer and inventory control applications with NMi- and PTB-approvals. It meets the relevant requirements according to OIML R85 and API 3.1B. It fulfills the exact demands of tank inventory management and loss control and is optimized in regards of total cost saving and safe operation.
For high accuracy custody transfer measurement in crude oil, gasoline, diesel, petrochemicals and chemicals.
Process connections: Flanges
Temperature: -200 to +200°C (-328 to +392°F)
Pressure: 0 to +25bar (0 to +362psi)
Maximum measuring range: 47m (154ft)
Accuracy: ±0.4mm (±0.02")
International explosion protection and custody transfer certificates, overfill prevention WHG, SIL
Benefits
-
Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety
-
Maximum reliability through accuracy up to ±0.4mm (± 0.02")
-
Developed according to international metrology recommendations such as OIML R85 and API MPMS
-
Local and country-specific certifications like NMi or PTB for custody transfer applications
-
Superior corrosion resistance with 316L materials in the process compatible with sour applications such as crude oil
-
Measurement of interfaces between up to three liquid layers, tank bottom, spot, and profile densities
-
Best fit for LNG/LPG applications without influence of dc value or Boil Off Gas
Videos
Xpert selection
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
-
-
Technical Information (TI)
TI Proservo NMS81
Tank Gauging
EN 25/10/202310/11/202205/08/202013/07/201807/06/2018Language:
English
Version:
25/10/2023
File size:
6 MB
File name:
TI01249GEN_0723-00.pdf
-
-
-
Operating Instruction (BA)
BA Proservo NMS81
Tank Gauging
EN 25/10/202310/11/202205/08/202013/07/201807/06/2018Language:
English
Version:
25/10/2023
File size:
14 MB
File name:
BA01459GEN_0723-00.pdf
-
-
-
Device Parameter (GP)
Proservo NMS81
Tank Gauging
EN 17/02/202320/07/201829/06/201701/03/2016Language:
English
Version:
17/02/2023
File size:
4.5 MB
File name:
GP01077GEN_0423-00.pdf
-
-
-
Short Instruction (KA)
Proservo NMS81
Tank Gauging
EN 10/11/202205/08/202030/07/201824/05/201701/03/2016Language:
English
Version:
10/11/2022
File size:
7.5 MB
File name:
KA01203GEN_0522-00.pdf
-
-
-
Installation Instructions (EA)
Cover, cover clamp, O-ring Installation Instructions
Microwave Level Measurement
EN 14/12/201830/11/2016Language:
English
Version:
14/12/2018
File size:
900.5 KB
File name:
EA01176GA2_0218.pdf
-
-
-
Installation Instructions (EA)
SD card with holder Installation Instructions
Micropilot NMR8x; ProservoNMS8x; Tankside Monitor NRF81
EN 30/09/201730/11/2016Language:
English
Version:
30/09/2017
File size:
1 MB
File name:
EA01184GA2_0217.pdf
-
-
-
Installation Instructions (EA)
Sensor assembly Installation Instructions
Tank Gauging
EN 30/10/201719/10/2017Language:
English
Version:
30/10/2017
File size:
3.5 MB
File name:
EA01225GF3_0317.pdf
-
-
-
Installation Instructions (EA)
Housing filter Installation Instructions
Micropilot, Proservo, Tankside Monitor
EN 28/02/201830/11/2016Language:
English
Version:
28/02/2018
File size:
404 KB
File name:
EA01183GA2_0218.pdf
-
-
-
Installation Instructions (EA)
Displacer unit, Servo Installation Instructions
Proservo NMS8x
EN 24/10/2017Language:
English
Version:
24/10/2017
File size:
1.9 MB
File name:
EA01234GF3_0117.pdf
-
-
-
Installation Instructions (EA)
O-ring, Servo Installation Instructions
Proservo NMS8x
EN 24/10/2017Language:
English
Version:
24/10/2017
File size:
3.2 MB
File name:
EA01235GF3_0117.pdf
-
-
-
Installation Instructions (EA)
Wire drum, measuring wire unit, Servo
Proservo NMS8x
EN 23/06/2022Language:
English
Version:
23/06/2022
File size:
2.1 MB
File name:
EA01434GEN_0122-00.pdf
-
-
-
Installation Instructions (EA)
Display set, display holder Installation Instructions
Micropilot NMR8x; Proservo NMS8x; Tankside Monitor NRF81
EN 30/11/2016Language:
English
Version:
30/11/2016
File size:
1.1 MB
File name:
EA01185GA2_0116.pdf
-
-
-
Installation Instructions (EA)
Terminal set Installation Instructions
Micropilot NMR8x; Proservo NMS8x;Tankside Monitor NRF81
EN 30/11/2016Language:
English
Version:
30/11/2016
File size:
1 MB
File name:
EA01186GA2_0116.pdf
-
-
-
Installation Instructions (EA)
Sensor module, Servo Installation Instructions
Tank Gauging
EN 30/10/201726/10/2017Language:
English
Version:
30/10/2017
File size:
2.9 MB
File name:
EA01231GF3_0317.pdf
-
-
-
Installation Instructions (EA)
Electronic box Installation Instructions
Micropilot NMR8x; Proservo NMS8x; Tankside Monitor NRF81
EN 02/07/201830/11/2016Language:
English
Version:
02/07/2018
File size:
1.3 MB
File name:
EA01177GA2_0218.pdf
-
-
-
Installation Instructions (EA)
Bearing, Servo Installation Instructions
Proservo NMS8x
EN 24/10/2017Language:
English
Version:
24/10/2017
File size:
3.4 MB
File name:
EA01233GF3_0117.pdf
-
-
-
Installation Instructions (EA)
Wire drum, measuring wire unit, Servo Installation Instructions
ProservoNMS8x
EN 01/01/2018Language:
English
Version:
01/01/2018
File size:
2.7 MB
File name:
EA01236GF3_0118.pdf
-
-
-
Installation Instructions (EA)
I/O module, electronics mainboard, frontplane assembly, labelled Installation Instructions
Micropilot NMR8x; Proservo NMS8x; Tankside Monitor NRF81
EN 31/08/201831/05/201730/11/2016Language:
English
Version:
31/08/2018
File size:
1.5 MB
File name:
EA01174GA2_0318.pdf
-
-
-
Ex Safety Instruction (XA)
Proservo NMS80, NMS81, NMS83
EAC: Ga/Gb Ex db [ia Ga] IIC T6...T1 X
EN 31/10/202215/04/2021Language:
English
Version:
31/10/2022
File size:
667.3 KB
File name:
XA02486G-B00EN02.22-00.pdf
-
-
-
Ex Safety Instruction (XA)
XA Proservo NMS80, NMS81, NMS83
INMETRO:
Ex db [ia Ga] IIC T6/T1 Ga/GbEN 25/12/202315/04/202126/03/2020Language:
English
Version:
25/12/2023
File size:
753.6 KB
File name:
XA02008GEN_0323-00.pdf
-
-
-
Ex Safety Instruction (XA)
XA Proservo NMS80, NMS81, NMS83
Ex db[ia Ga] IIC T6...T1 Ga/Gb
EN 01/09/202322/01/202215/05/2021Language:
English
Version:
01/09/2023
File size:
831.2 KB
File name:
XA02544GEN_0323-00.pdf
-
-
-
Ex Safety Instruction (XA)
Safety Instruction Proservo NMS8x series
Safety instructions for Electrical Apparatus Certified for Use in
Explosion-hazardous AreasLanguage:
Japanese
Version:
08/11/2016
File size:
1.8 MB
File name:
XA01600G-A08JA01.16_NMS8_TIIS.pdf
-
-
-
Ex Safety Instruction (XA)
Proservo NMS80, NMS81, NMS83
II 1/2G Ex db[ia] IIC T6...T1 Ga/Gb
Language:
English
Version:
31/05/2021
File size:
1 MB
File name:
XA02540GEN_0121.pdf
-
-
-
Ex Safety Instruction (XA)
XA Proservo NMS80, NMS81
ATEX: II 1/2G Ex d[ia] IIC T6...T1 Ga/Gb
IECEx: Ex db[ia Ga] IIC T6...T1 Ga/GbEN 26/08/2024Language:
English
Version:
26/08/2024
File size:
728.1 KB
File name:
XA03349GEN_0124-00.pdf
-
-
-
Ex Safety Instruction (XA)
Proservo NMS80/NMS81/NMS83
JPN: Exdb [ia Ga] IIC T6...T1 Ga/Gb
-