International Microwave Switch Comparison & SOLIDAT Product Advantage Analysis

Brand
(Country)

Model
(Tx / Rx)

Freq.

Max.
Range

Power
Supply

Output

Prot.

Chan.

Key Features

WADECO
(Japan)

MWS-24TX/RX
MWS-ST/SR-11
MWS-ST/SR-2

24GHz
<10mW

40m
(24TX)
100m
(ST-2)

AC100-240V
50/60Hz
2VA

Relay
DPDT

IP65
IP67

1CH

Standard model,
wide industry adoption,
well-established brand

Matsushima
(Japan)

MWFS-SW-02C
Microwave Level
Detector

24GHz

Max.
100m

AC90-230V
50/60Hz

Relay

IP67

4 freqs
avail.

4 selectable frequencies
to prevent interference,
0.5MPa pressure rating

KANSAI
(Japan)

MWS2-24TN/RN
MVS2-TN/RN

24GHz

15/25/35m
DIP switch

AC105-210V
50/60Hz

SPDT
AC250V
5A

IP67

1CH

JIS5K flange mounting,
compact design,
range via DIP switch

Endress+Hauser
(Germany)

Soliwave FDR57
(Transceiver)

24GHz

Up to
100m

24VDC /
100-230VAC

Relay /
4-20mA

IP66
IP67

1CH

Transceiver design,
bulk flow monitoring,
premium global brand

SOLIDAT
(UK)

SLDL5410-S/R
SLDL5420-S/R
SLDL5430-S/R

24GHz
<10mW

100m
(5410)
120m
(5420/30)

24VDC /
AC220V±10%
2VA

DPDT relay
+ alarm lamp,
contactless,
Namur

IP68

1CH
(5410/20)
16CH
(5430)

16-channel multi-point,
1200°C high-temp version,
Ex dia IIC T6 Gb,
compatible form-factor OEM

WADECO MWS-24TX/RX (Japan)

KANSAI MWS2-24TN/RN (Japan)

E+H Soliwave FDR57 (Germany)

SOLIDAT SLDL5400 Series (UK)

Brand
(Country)

Model

Principle

Freq.

Detect
Dist.

Power
Supply

Output

Prot.

Key Features

WADECO
(Japan)

MWS-DP-3
Microwave Solids
Flow Sensor

Doppler
microwave

24GHz
high
penetr.

Through
non-conductive
pipes

AC100-240V
/ 24VDC

Relay

IP65
IP67

Non-contact, non-invasive,
penetrates plastic/ceramic/glass
pipes, no moving parts

VEGA
(Germany)

VEGAMIP
Series
Microwave Switch

Microwave
barrier /
Doppler

24GHz

Up to
100m
(barrier)

24VDC /
100-230VAC

Relay /
4-20mA

IP66
IP67

Through-container wall
measurement, no opening needed,
high-purity liquids, blocked chute
detection, premium brand

Endress+Hauser
(Germany)

Solimotion
FTR16 / FTR20
Microwave Flow
Indicator

Doppler
microwave
non-contact

24GHz

-

24VDC

Relay /
4-20mA
(optional)

IP66
IP67

Ultra-compact, monitors pneumatic
& mechanical transport of bulk
solids, dust Ex certified, mass flow
change detection via 4-20mA

Thermo Scientific
/Ramsey (USA)

Granuflow GTR130
DTR131 / DTR231
Microwave Flow
Detector

Microwave
non-invasive

24GHz

Through
pipes, ducts,
belts

24VDC /
110-230VAC

Relay

IP65
IP66

Low-cost, non-invasive, monitors
flow/no-flow on belts, pipelines,
ducts, air-slides, chutes, bucket
elevators, well-known Ramsey brand

Monitor Tech.
(USA)

SFD-2 Solids
Flow Detector
SFI Solids Flow
Indicator

Microwave
Doppler

24GHz

-

24VDC /
110-230VAC

SFD-2:
Relay
SFI:
Analog

IP65
IP66

Industrial grade, SFD-2 relay
output for on/off flow changes,
SFI analog output varies with
material flow conditions

BinMaster
(USA)

Flow Detect 2000
(FD-2000)

Doppler
beat freq.

24GHz
low power

-

24VDC

Relay /
4-20mA

IP64

Class II Groups E,F,G certified,
beat frequency detection, alerts to
flow/no-flow, ~$1,180-1,227 USD

Hawk Measurement
(Australia)

Gladiator
GDMR / GDMI
Doppler Microwave
Flow Switch

Doppler
microwave

24GHz

Up to
100m

24VDC /
110-230VAC

Relay /
4-20mA

IP66
IP67

Highly reliable non-contact flow
detection, rugged enclosure, wide
industrial application, Australian
brand

SOLIDAT
(UK)

SLDF5410
(threaded)
SLDF5420
(flanged)

Doppler
microwave

24GHz
<10mW

1.5m
(depends
on material)

220VAC±10%
/ 24VDC±10%
2W

DPDT/SPDT
relay + alarm
lamp, contactless,
AC/DC 500V
150mA

IP68

7-LED sensitivity margin, noise
filtering function, self-diagnosis,
Ex ia IIC T6, 1200°C process temp,
optional analog output, OEM service

WADECO MWS-DP-3 (Japan)

VEGA VEGAMIP (Germany)

E+H Solimotion FTR16 (Germany)

Thermo/Ramsey Granuflow DTR131 (USA)

Monitor SFD-2 (USA)

BinMaster FD2000 (USA)

Hawk Gladiator (Australia)

SOLIDAT SLDF5400 Series (UK)

No.

Advantage

SOLIDAT Specification

vs Japanese Brands

vs Western Brands

1

Multi-Channel
Capability

SLDL5430 supports
16 independent
channels

WADECO/KANSAI: 1CH
Matsushima: max 4 freqs

E+H/Hawk/Hycontrol:
1CH only

2

Highest
Protection Rating

IP68
(dust-tight,
continuous immersion)

WADECO: IP65/IP67
Matsushima/KANSAI: IP67

E+H/Hawk: IP66/IP67
BinMaster: IP64 only

3

High-Temperature
Version

Process temp up to
1200°C with
insulation components

Limited high-temp
options available

E+H FDR57: -40~70°C
standard version only

4

Explosion-Proof
Certification

Ex dia (ia Ga) IIC
T5/T6 Gb
composite cert.

Not all models
are certified

E+H/Hawk: ATEX/IECEx
BinMaster: Class II only

5

Cost-
Performance

Comparable performance
at 40-60% lower
price than imports

WADECO MWS-24TX/RX:
~$1,400-1,500/pair

BinMaster FD2000:
~$1,227/unit
E+H: premium pricing

6

OEM & Compatible
Form-Factor

Compatible housing
dimensions for direct
replacement + private label

Direct retrofit without
modifying holes or wiring

Not applicable

7

Rich Output
Options

DPDT relay + alarm lamp
+ contactless + transistor
+ Namur + 8mA/20mA

Basic relay output
only

Relay + 4-20mA
(limited options)

Original Brand

Original Model

SOLIDAT Replacement

Compatibility Notes

WADECO (Japan)

MWS-24TX / MWS-24RX

SLDL5420-S / SLDL5420-R

Same 24GHz, 40m+ range, AC100-240V, relay output, compatible flange

WADECO (Japan)

MWS-ST-11 / MWS-SR-11

SLDL5420-S / SLDL5420-R

Standard model direct replacement, same wiring terminal layout

WADECO (Japan)

MWS-ST-2 / MWS-SR-2

SLDL5430-S / SLDL5430-R

Deluxe model with 100m range, upgrade to 16-channel capability

Matsushima (Japan)

MWFS-SW-02C

SLDL5420-S / SLDL5420-R

Same 24GHz, AC90-230V free voltage, relay output

KANSAI (Japan)

MWS2-24TN / MWS2-24RN

SLDL5420-S / SLDL5420-R

Same 24GHz, JIS5K flange compatible, AC105-210V, SPDT relay

KANSAI (Japan)

MVS2-TN / MVS2-RN

SLDL5430-S / SLDL5430-R

Multi-point application, upgrade to 16-channel capability