

Field of application
The Tank Side Monitor NRF81 is a sensor integration and monitoring unit for bulk storage tank gauging applications. It integrates various level, temperature and pressure tank sensor data into a control host system. Various selectable alarms and outputs.
For power supply and signal transmission of the connected devices. Parameterization of the connected devices and display of the measured values. Tank calculations for accurate correction of the tank distortions. Weights & Measure-approved for use in custody transfer applications.
Output: Modbus EIA485 (RS485), Sakura V1
Temperature: -40 to 60°C (-40 to 140°F)
International explosion protection certificates
Benefits
-
Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety
-
Intrinsically safe power supply and communication for Micropilot and Levelflex radar level devices
-
Simplified installation and trouble-free operations due to easy connection to major DCS systems via open protocols
Approved for use in explosion-hazardous areas
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)
Tankside Monitor NRF81
Tank Gauging
EN 10/09/202007/06/201823/02/201704/05/2016Language:
English
Version:
10/09/2020
File size:
1.7 MB
File name:
TI01251GEN_0420.pdf
-
-
-
Operating Instruction (BA)
Tankside Monitor NRF81
Tank Gauging
EN 04/11/202105/10/202013/07/201807/06/201823/02/2017Language:
English
Version:
04/11/2021
File size:
4.5 MB
File name:
BA01465GEN_0621.pdf
-
-
-
Device Parameter (GP)
Tankside Monitor NRF81
Tank Gauging
EN 24/02/202229/06/201701/03/2016Language:
English
Version:
24/02/2022
File size:
2.6 MB
File name:
GP01083GEN_0422-00.pdf
-
-
-
Short Instruction (KA)
Tankside Monitor NRF81
Tank Gauging
EN 04/11/202122/09/202019/11/201824/05/201701/03/2016Language:
English
Version:
04/11/2021
File size:
2.2 MB
File name:
KA01209GEN_0521.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)
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)
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)
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)
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
-
-
O-ring, housing, 177.39x3.53, TG
-
Sealing
Drawing numberOrder code2171312582 -
-
Housing filter, PTFE, NMS8x, NRF81, TG
-
Filter
Drawing numberOrder code1971343171 -
-
Blind plug, M20, 316L, O-ring EPDM, TG
-
Adapter housing/cable entry
Drawing numberOrder code1471312592 -
-
O-ring, blind plug, M20, EPDM, 5pcs., TG
-
Sealing
Drawing numberOrder code1571312594 -
-
Front cover Alu, sight glas, gasket
-
Cover
Drawing numberOrder code2071312596 -
-
Front cover 316L, sight glas, gasket
-
Cover
Drawing numberOrder code2071312607 -
-
Cover clamp, 2 pcs., TG
-
Housing/housing accessories
Drawing numberOrder code1771312627 -
-
Terminal set, I/O module, Push-in, TG
-
Terminals
Drawing numberOrder code3771324756 -
-
Terminal set, I/O module, screw type, TG
-
Terminals
Drawing numberOrder code3771324757 -
-
Display set, RS485, holder, TG
-
Display
Drawing numberOrder code4071312638 -
-
Display holder, fixing ring, TG
-
Display
Drawing numberOrder code4171312640 -
-
Electronics, mainboard
-
Electronic
Drawing numberOrder code31XPN0036- -
-
I/O Module NMR81/84, NRF81, NMS80/81/83
-
I/O module
Drawing numberOrder code33XPN0031- -
-
Mounting kit, pipe, DN32-50 (1-1/4"-2")
Drawing numberOrder code071274370 -
Mounting kit, pipe, DN80 (3")
Drawing numberOrder code071272096 -
Weather protection cover NMR8x, NRF8x
Drawing numberOrder code071292751