EchoTREK ST–400 4-wire, max. 26 ft

(Compact Ultrasonic Level Transmitters for Liquids)

S4
  • 5 years warranty
  • Plug-in display
  • PACTware™

4-wire compact ultrasonic level transmitters for liquids with 2 SPDT relays with PP, PVDF or PTFE transducer; Ingress protection: IP67 (NEMA 6 equivalent)

Range / Frequency
S
4

0.65…13 ft / 80 kHz (only for 1½" process connection)

0.82…20 ft / 80 kHz (only for 2" process connection)

1.15…26 ft / 60 kHz (only for 2" process connection)

Version
S
4

Transmitter

Transmitter with plug-in display

Housing / Transducer material
S
4

Fiberglass-reinforced plastic (PBT) / Polypropylene (PP)

Fiberglass-reinforced plastic (PBT) / PVDF

Fiberglass-reinforced plastic (PBT) / PTFE

Painted aluminum / Polypropylene (PP)

Painted aluminum / PVDF

Painted aluminum / PTFE

Process Connection
S
4

BSP thread

NPT thread

Supply voltage / Output
S
4

85…255 V AC / 4…20 mA + SPDT Relay

85…255 V AC / 4…20 mA + HART® + SPDT Relay

85…255 V AC / 4…20 mA + HART® + SPDT Relay + Data logging feature

85…255 V AC / 4…20 mA + SPDT + Data logging feature

24 V AC/DC / 4…20 mA + SPDT Relay

24 V AC/DC / 4…20 mA + HART® + SPDT Relay

24 V AC/DC / 4…20 mA + HART® + SPDT Relay + Data logging feature

24 V AC/DC / 4…20 mA + SPDT Relay+ Data logging feature

Accessories

UNIDISP SAP–200

Plug-in dot-matrix graphic display is designed for 2-wire transmitters. It provides clear field indication of the measured value and a bargraph display.

Label
S
A
P
2
0
0

Module with label for 2-wire and S-400 EchoTREK

Module with label for NIVOCAP, THERMOCONT, UNICONT PD

UNICOMM SAT–504 HART®-USB/Bluetooth® modem

HART®–USB/Bluetooth® communication modem for transmitters with HART® output. USB 1.1 Type-B connector and KLEPS2 clip-on probes.

Type
S
A
T
5
0
4

HART®-USB/Bluetooth® modem

Function
S
A
T
5
0
4

HART® modem with USB Laptop connection

HART® modem with USB Laptop connection + power supply for transmitter

HART® modem with USB and Bluetooth® Laptop connection + power supply for transmitter

HART® modem with USB Laptop connection + power supply for transmitter + service port

HART® modem with USB and Bluetooth® Laptop connection + power supply for transmitter + service port

UNICOMM SAK–305 HART®-USB/RS485 modem

DIN rail mountable HART®–USB communication modem for transmitters with HART® output. Connection to PC via USB/RS485 interface.

Type
S
A
K
3
0
5

HART®-USB/RS485 modem

Ex
S
A
K
3
0
5

HART®-USB/RS485 modem

HART®-USB/RS485 modem / Ex ia G

UNIMOUNT SAC mounting bracket

Adjustable wall mounting bracket for continuous and point level sensors with 1", 1½" and 2" mounting connections. Material: stainless steel. Extensions: Aluminum.

Type
S
A
C
1
1
0

Mounting brackets

Extension
S
A
C
1
1
0

With no extension. Length to sensor center: 7.4" (188 mm)

With 1 extension. Length to sensor center: 16.1" (409 mm)

With 2 extensions. Length to sensor center: 27.56" (700 mm)

With 3 extensions. Length to sensor center: 39.02" (991 mm)

UNIMOUNT SAC Basic unit

Basic unit

Type
S
A
C
1
0
0
0

Wall mounting part. Stainless steel

UNIMOUNT SAC Extension element

Extension element, 300 mm (×1)

Type
S
A
C
2
1
0
0

Single extension. Paint coated Aluminum

UNIMOUNT SAC Accessory set

Accessory set (1" suspension element + plate for 1", 1½" and 2" connection damping gland sponge washer + screw set)

Type
S
A
C
2
0
1
0

Sensor mounting plate

UNIMOUNT SAB–112 plastic shielding cap

3D printed plastic shielding cap, snap-on design for plastic cover

Type
S
A
B
1
1
2
0

3D printed plastic shielding cap, snap-on design for plastic cover

UNIMOUNT SAB–113 plastic shielding cap

3D printed plastic shielding cap, snap-on design for aluminum cover

Typ
S
A
B
1
1
3
0

3D printed plastic shielding cap, snap-on design for aluminum cover