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Rosemount
Rosemount 56 Dual Input Analyzer
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56 Dual Input: 2 channels; 4×4–20 mA; HART; PID/USB. RFQ sensors.
Download datasheet PDF
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Key parameters
Ambient temperature
14 to 131 °F (−10 to 55 °C); turbidity 14 to 122 °F; storage −4 to 140 °F
Display
4.3 in colour TFT 480×272 back-lit customizable LOI
Product Family
Rosemount 56 dual channel liquid analytical transmitter
Inputs
Up to two independent channels: pH/ORP, ISE, contacting/toroidal conductivity, free/total chlorine, DO, ozone, turbidity, flow
Outputs
Four actively powered 4–20 mA or 0–20 mA (550 Ω max); programmable PID; HART on output 1 or Profibus DP option
Power
Line-powered options including 24 VDC with 4 alarm relays (ordering code 02)
Fits dual-input liquid analysis panels where you need a Rosemount 56 Dual Input Analyzer—two measurement channels across pH/ORP, conductivity, DO, chlorine, turbidity and related inputs with 4× 4–20 mA and HART.
Key advantages
- Channels — Two measurement inputs
- Parameters — pH/ORP, conductivity, DO, chlorine, turbidity class
- Outputs — 4 × 4–20 mA; HART
- Control/log — PID and USB logging on the 56 platform
- Power — Line-powered dual-channel transmitter family
Typical applications
- Dual-sensor water quality panels.
- Plant effluent + process loops.
- Skid analyzers with local control.
Selection guide
- Sensor models
- Power code
- HART need
Common mistakes
- Confusing with single-channel 5081.
- Wrong sensor/transmitter pairing.
- Ignoring relay count.
When to RFQ / what to tell us
- Sensors, power.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 36946 |
| Brand | Rosemount |
| Model | 56 Dual Input Analyzer |
| Product type | Dual Input Analyzer |
| Type | Dual-channel liquid analysis transmitter (Rosemount 56) |
| Channels | Two independent measurement channels |
| Inputs | pH/ORP, ISE, conductivity, turbidity, DO/chlorine/ozone, flow, 4–20 mA |
| Outputs | 4 × 4–20 mA; HART; PID; USB logging |
| Power | 24 VDC or 85–265 VAC with alarm relays |
Documents
FAQ
Q: Outputs? A: Four 4–20 mA with HART class.
Q: Channels? A: Two independent inputs.
Q: What should I send for a quote? A: Sensors/power, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Ambient temperature | 14 to 131 °F (−10 to 55 °C); turbidity 14 to 122 °F; storage −4 to 140 °F |
| Display | 4.3 in colour TFT 480×272 back-lit customizable LOI |
| Product Family | Rosemount 56 dual channel liquid analytical transmitter |
| Inputs | Up to two independent channels: pH/ORP, ISE, contacting/toroidal conductivity, free/total chlorine, DO, ozone, turbidity, flow |
| Outputs | Four actively powered 4–20 mA or 0–20 mA (550 Ω max); programmable PID; HART on output 1 or Profibus DP option |
| Power | Line-powered options including 24 VDC with 4 alarm relays (ordering code 02) |
| Enclosure | 6.2 × 6.2 × 5.2 in; ½ in / PG13.5 conduit; weight ~3 lb (1.5 kg) |
| Features | Quick Start programming, data logging, USB, PID control, auto pH buffer recognition |
| Communications | HART (standard option HT) or Profibus DP (DP) |
| Alarms | Up to 4 alarm relays (power option dependent) |