AM-2250TX-Transmitter

Multi-Variable pH, ORP, Conductivity & Flow Loop Powered Transmitter

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Models In Stock

pH, ORP, conductivity & flow parameters available
Highly visible large LCD display
Flexible and easy calibration, including multi-point conductivity calibration for acids and bases
4-20mA process output with range scaling and PID Control

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AM-2250TX-Transmitter

From ^$ 841.30

Models In Stock

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1 Variations available

See all series options below

Data Sheet

Product Overview

Additional Features 1 pH, ORP, Conductivity, Flow. Wall or Panel Mounting
Applications Boilers, Chemicals, Cooling Towers, Food and Beverage, Fume scrubbers, Industrial and Manufacturing, Mining, Pulp & Paper, Waste Management
Approvals ETL (US and Canada) and CE pending
Calibration Note pH Calibration Modes: Automatic or Manual 2 or 3 points ORP Calibration Modes: Manual 1 point Conductivity Calibration Modes: Up to 16 points Flow Calibration Modes: K-factor input
Conductivity Measurement 0.055 to 500,000 µS/cm
Electrical Output 4 to 20 mA
Enclosure Ratings NEMA Type 4X
Flow Indication Note 0 to 999 in any units
Front Cover Height 5.5 in
Front Cover Width 5.5 in
Height 5.4 in
Input Range Note pH Sensor Input: -600 to +600 mV ORP Sensor Input: -999 to +999 mV Conductivity Sensor Input: 0 to 9999 Ω Flow Sensor Input: 0 to 2000 Hz
Length 5 in
Load Resistance 800 Ω
Measurement Type Conductivity, pH, ORP, Flow
Mounting Wall mount, panel mount with kit provided. DIN rail and pipe mount with optional kit
Operating Temperature, Max 70 °C
Operating Temperature, Min -20 °C
ORP Measurement Range -1000 to +1000 mV
Output Detail One 4-20 mA output Scalable 4-20mA with PID (Process) Optically isolated.
PH Measurement Range 0 to 14.00 pH
Power Consumption 20 mA @ 24 Vdc
Relative Humidity 0 to 90% Relative Humidity, non-condensing
Sensor Note PH Sensor 6-Wire Differential or Combination ORP Sensor 6-Wire Differential or Combination Conductivity Sensor 4-Wire contacting : Any cell constant between 0.01 and 100 Flow Sensor Pulse output: Paddle-wheel, PH Temerature elements Magmete 100, 1000 Ω, RTD 300, 3000 Ω NTC ORP Temerature Elements 100, 1000 Ω, RTD 300, 3000 Ω NTC Conductivity Temperature Elements 100, 1000 Ω, RTD 300, 3000 Ω NTC
Series ID AM-2250TX-Transmitter
Temperature Compensation pH : Automatic; ORP : Display temperature; Conductivity: Automatic or Manual -20 to 120 °C; Flow: Display Flow Totalizer
Temperature Range pH range: -20 to 120 °C; ORP range: -20 to 120 °C; Conductivity range: -20 to 120 °C
Weight 2 lb
Width 5.4 in

Supported Applications

The Omega AM-2250TX is a loop-powered, multi-parameter transmitter designed for industrial and municipal water quality monitoring. It measures pH, ORP (Oxidation Reduction Potential), Conductivity, and Flow parameters using compatible AquaMetrix sensors.

pH measurement with 6-wire differential or combination sensor inputs
ORP measurement supporting -999 to +999 mV ranges
Contacting conductivity measurements from 0.055 to 500,000 µS/cm (depending on cell constant)
Pulse output flow monitoring via paddle-wheel or magnetic flow meters

Operating Conditions & Performance

The AM-2250TX operates within an ambient temperature range of -20 to 70 °C and supports process temperatures from -20 to 120 °C for pH, ORP, and conductivity applications. The unit is rated for humidity levels between 0 to 90% Relative Humidity, non-condensing.

Enclosure Rating: NEMA 4X polycarbonate
Sensor Input Ranges: - pH: -600 to +600 mV - ORP: -999 to +999 mV - Conductivity: 0 to 9999 Ω - Flow Pulse: 0 to 2000 Hz
Power Supply: 16-32 VDC (24VDC nominal), loop-powered design consuming max 20 mA @ 24 VDC

Configuration Options

The AM-2250TX is configured as a transmitter without relay outputs or backlit LCD displays, distinguishing it from AC-powered controller variants in the series. It provides one scalable analog output and supports various sensor configurations.

Sensor & Calibration Options

pH Sensors: 6-wire differential or combination types with automatic/manual calibration (2 or 3 points)
ORP Sensors: Single-point manual calibration
Conductivity Cells: 4-wire contacting sensors supporting cell constants from 0.01 to 100; up to 16-point wet or dry calibration available
Flow Inputs: K-factor input for pulse output devices (paddle-wheel, magmeter)

Outputs & Mounting

Analog Output: One optically isolated, fully scalable 4-20 mA signal with optional PID control; max load resistance of 800 Ω
Mounting Options: Wall mount or panel mount (kit provided); DIN-rail and pipe mounting kits available as options

Certifications & Physical Specs

Approvals: ETL (US and Canada), CE pending, RoHS Compliant
Dimensions: Front cover 5.5"x5.5" (14 cm x 14 cm); Depth 5" (13 cm)
Panel Cut-out: 5.4" x 5.4" (138 x 138 mm) full DIN

Key Product Differences

The AM-2250TX is the loop-powered transmitter version of the AquaMetrix series, distinct from the AC-powered AM-2250 and AM-2251 controllers. Key differences include: