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Introduction

Principle & Structure

The radar level meter antenna emits a very short pulse with very low energy. This pulse propagates in space at the speed of light. When it encounters the surface of the measured medium, part of its energy is reflected back and received by the same antenna. The time interval between the transmitted pulse and the received pulse is proportional to the distance from the antenna to the surface of the measured medium. The radar level meter adopts a special correlation demodulation technology, which can accurately identify the time interval between the transmitted pulse and the received pulse, so as to further calculate the distance from the antenna to the surface of the measured medium.

Features

● The beam angle is small and the energy is concentrated, which has more flexibility for the selection of the radar installation position. It has stronger anti-interference ability, which greatly improves the measurement accuracy and stability.

● The antenna size is small, which is convenient for radar installation on site, and has better adaptability to the measurement of small tanks and special tanks.

application

Suitable for measuring solid particles, slurries, water, oil flow medium corrosive liquids, slurries: for example: process reaction storage tanks, acid-base storage tanks, solid storage tanks, small oil storage tanks and other storage containers or process containers, process conditions Complex liquids and solids: such as crude oil, light oil storage tanks, volatile liquid storage tanks, liquid reaction tanks, lime, coal, etc. Mainly used in petroleum, chemical, metallurgy, food, cement, coal and other industries

The measurement blind area is small, which maximizes the measurement range of the radar.

The wavelength is shorter, and the measurement effect is better for the level of powder, particles, etc.

Transmit pulse signal, radar level meter transmit power is extremely low, can be installed in various metal and non-metal containers, no harm to human body and environment.

It adopts advanced microprocessor and unique echo processing technology and algorithm.

It can be applied to various complex working conditions.

technical parameter

 connection:RR32A: Thread G1 1/2ASupply voltage
RR32B: Thread G1 1/2A, Thread 1 1/2 NPT, FlangeTwo-wire system:Standard (16...36) V DC 
Intrinsically Safe (21.6...26.4) V DC 
RR32C: FlangePower consumption max.22.5mA
RR32D: Thread G1 1/2A, Thread 1 1/2 NPT, FlangeRipple allowed:100Hz Uss<1V
(100...100K)Hz Uss<10mV
RR32E: Thread G1 1/2A, Thread 1 1/2 NPT, FlangeFour-wire system:Intrinsically safe + flameproof (22.8...26.4)V DC,(198...242)V AC
Power consumption max.1VA,1W
Antenna Material:RR32A:PTFECable parameters
RR32B: Stainless Steel 316L/PTFE
1 M20*1.5 cable entry (cable diameter 5...9mm)
RR32C:PTFECable Entry/Plug:Blind plug M20*1.5
RR32D: Stainless Steel 316L/PTFESpring terminal:For conductor cross section 2.5mm
RR32E: Stainless Steel 316L/PTFEOutput parameters
weight:RR32A: 2Kg (depending on process connection and housing)output signal:(4...20)mA/HART
RR32B: 3Kg (depending on process connection and housing)Resolution: 1.6μA 
RR32C: 4Kg (depending on process connection and housing)Fault signal:Current output unchanged: 20.5mA; 22mA; 3.9Ma
RR32D: 4Kg (depending on process connection and housing)Four-wire load resistance:500 ohms max 
RR32E: 3Kg (depending on process connection and housing)Two-wire load resistance:See below
shell:Aluminum, Plastic, Stainless Steel 316LIntegration time:(0...40)s, adjustable
Shell Windows:tempered glassSeal between housing and cover:Silicone Rubber

Selection table

RR32A-Pulse Radar Level Meter-26GHz

Antenna Type/Material/Process Temperature

Sealed Horn/PP/(-40...80)°C

Sealed Horn/PTFE/(-40...130)°C

Process Connections/Materials

Thread G1 1/2A

Thread 1 1/2NPT

Flange DN50/PTFE

Container Takeover Length

Take over 100mm

Take over 200mm

output

4...20mA/HART two-wire system

4...20mA/(22.8...26.4)V DC/Modbus four-wire

198...242 V AC/Modbus 4-wire

Enclosure rating

Aluminum/IP67

Stainless Steel 316L/IP67

(special alternative) VARIO

No special accessories

Intrinsically safe explosion-proof type (EXia II C T6)

Process Connection Flange Custom Dimensions

Optional on-site display programmer
The above selection table does not contain selection codes. For selection, please contact the sales staff or email to sales@kewill-auto.cn to obtain a complete sample.
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