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January 2020
1
Specifications
Rosemount 56 Transmitter
For Rosemount 56 Transmitter specifications, see the Rosemount 56
Transmitter Reference Manual on Emerson.com/Rosemount: Manual:
Rosemount 56 Advanced Dual-Input Transmitter.
Table 1-1: General Specifications
Characteristic
Sample requirements
Pressure
Temperature
Minimum flow
Maximum flow
Sample conductivity
Process connection
Drain connection
Wetted parts
Response time
Weight/shipping weight
(1)
Rounded to the nearest 1 lb. (0.5 kg)
Quick Start Guide
(1)
Specifications
3 to 65 psig (122 to 549 kPa abs)
A check valve in the inlet prevents the sensor
flow cells from going dry if sample flow is lost.
The check valve opens at 3 psig (122 kPa abs).
If the check valve is removed, minimum
pressure is 1 psig (108 kPa abs).
32 to 122 °F (0 to 50 °C)
3 gal/hr (11 L/hr)
80 gal/hr (303 L/hr); high flow causes the
overflow tube to back up.
> 50 µS/cm at 77 °F (25 °C)
¼-in. OD tubing compression fitting (can be
removed and replaced with barbed fitting for
soft tubing)
¾-in. barbed fitting. Sample must drain to
open atmosphere.
Overflow sampler and flow cell: acrylic,
polycarbonate, Kynar
Chlorine sensor: Noryl
silicone, polyethersulfone, polyester, and
platinum
pH sensor (3900 VP): stainless steel, glass,
™
Teflon
, polyphenylene sulfide, EPDM, and
silicone
< 80 sec to 95% of final reading for inlet
sample flow of 3 gph (11 L/hr)
Rosemount FCL-01: 10 lb./13 lb. (4.5 kg/6.0
kg)
Rosemount FCL-02: 11 lb./14 lb. (5.0 kg/6.5
kg)
Quick Start Guide
™
, nylon, silicone
™
™
, Viton
, wood,
5
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