The Rosemount 1057 Triple Channel Transmitter can display up to three independent liquid analytical measurements for pH/ORP sensors and contacting conductivity sensors. With a choice of up to three liquid measurements, you can reduce the cost per loop and save panel space.
Enclosure RatingPolycarbonate. NEMA 4X/CSA 4 (IP65)
Certifications/ApprovalsCSA
Class I, Division 2, Groups A, B, C, & D
Class Il, Division 2, Groups E, F, & G
Class Ill T4A Tamb= 50°C
DimensionsOverall 155 x 155 x 131mm (6.10 x 6.10 x 5.15 in.). Cutout: 1/2 DIN 139mm x 139mm (5.45 x 5.45 in.) Minimum depth for panel mount installations 101.6 mm (4.0 in).
Weight(rounded up to nearest lb or nearest 0.5 kg): 3 lbs/4 lbs (1.5 kg/2.0 kg)
Independent triple input measurements
■ Expandable to three channels of liquid analytical measurements: pH/ORP and contacting conductivity.
■ Modular boards with auto-recognition of sensor board.
■ Large, easy to read, user customizable display of three measurements in addition to diagonistic and temperature readings.
Reduced installation and maintenance time
■ Shorter installation times using Quick Start programming at initial install or after factory reset.
■ Display measurements, configure alarms, and conduct maintenance with an easy to use local operator interface
Table 1: Rosemount 1057 Ordering Information
Option Description
Transmitter type
1057 Triple channel transmitter
Power
02 24 Vdc with four alarm relays
03 85 to 265 Vac switching, 50/60 Hz with four alarm relays
Measurement 1
20 Contacting conductivity
22 pH/ORP/ISE
Measurement 2
30 Contacting conductivity
32 pH/ORP/ISE
38 None
Measurement 3
40 Contacting conductivity
42 pH/ORP/ISE
48 None
Approvals
_ CSA/FM approval
UL UL approval