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Intrinsically Safe Modbus Ultrasonic Level Sensor

Series: MNU IS

Modbus Measurements In Classified Locations

Rugged, low-power, and rated Intrinsically Safe for hazardous location, with optional Gas Discharge Tube protection.

Range:
Up to 25 ft.
Mount:
3/4 in. NPT,2 in. NPT
Output:
Tank Cloud Slave,RS-485,Modbus RTU
Certification:
CE,CSA,ATEX,IECEx,Class 1, Div 1,Intrinsically Safe
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Description

New QuickMode
Get an on-demand measurement in as little as 250 ms.

Easy Wiring & Set-up
Everything about MNU IS setup is easy, from simple daisy chain wiring to remote configuration via the Internet.

Common Model Configurations

Model Number Model Description
MNU-IS-6424-C6A 1 - 25 ft range, 69 kHz, 3/4" NPT, 2" NPT, 6 ft cable, Cable Gland with Spiral Strain Relief
MNU-IS-6424-C6C 1 - 25 ft range, 69 kHz, 2" NPT, 6 ft cable, ATEX Cable Gland
MNU-IS-6425-C6A 1 - 25 ft range, 69 kHz, Gas Discharge Tube Protection, 3/4" NPT, 2" NPT, 6 ft cable, Cable Gland with Spiral Strain Relief
MNU-IS-6425-C6C 1 - 25 ft range, 69 kHz, Gas Discharge Tube Protection, 2" NPT, 6 ft cable, ATEX Cable Gland

Refer to Model Number Configurator on the datasheet for a full list of configuration options.

Go To Datasheet

Specifications

Performance

Available Ranges
1 to 25 ft.
Accuracy
±0.25% of detected range

Programming

Method
Online Data Portal
Modbus Register

Electrical

Operating Voltage
8-24 VDC
Total Current Draw
15 - 30 mA @ 24 VDC, Typ. 20 mA
30 - 75 mA @ 8 VDC, Typ. 40 mA
Waiting Status Current Draw
13 mA @ 24 VDC
17 mA @ 8 VDC
Gas Discharge Tube Surge Protection
150 V, 1 kA

Physical

Upper Housing
PC/PBT blend
Transducer
Ceramic transducer, PVDF faced
Mounting
Sensor Face: 2 in. NPT
Sensor Back: 3/4 in. NPT

Approvals

CSA Intrinsically Safe
Class I, Div. 1, Groups C & D
Class I, Zone 0, AEx ia IIB T4 Ga
ATEX
II 1G Ex ia IIB T4 Ga
IECEx
Ex ia IIB T4 Ga
Optional Lightning Protection
Compliant with IEC 61000-4-5

Connectivity

Output
RS-485 Modbus RTU
Data Portals
Online
LAN

Environmental

Housing Rating
IP 68
Operating Temperature
Standard: -30 to 60°C (-22 to 140°F)
Alternate: -20 to 50°C (-4 to 122°F)