2-Wire Isolated pH/ORP Transmitter System

PHTX45

2-WIRE ISOLATED PH/ORP TRANSMITTER SYSTEM

^PHP48,399.00 PHTX-45

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PEEK Sensor Body Construction
Dual-Glass Style Sensor
Replaceable Sensor Saltbridge
Electrode Breakage Diagnostic
Universal Mounting Configurations
Microprocessor Based System
Large Dual Display Format
Loop Powered, Fully Isolated

Industrial pH Instrumentation and Electrodes - View related products

Description

Sensor Features
Sensor housings are constructed of PEEK, a high performance thermoplastic that provides outstanding mechanical strength and chemical resistance. Multiple sealing materials are used to preserve sensor integrity over a wide range of applications.

A large volume, dual junction saltbridge is used to maximize the in-service time of the sensor. The annular junction provides a large surface area to minimize the chance of fouling. Large electrolyte volume and dual reference junction minimizes contamination of the reference solution. The replaceable saltbridge allows for easy sensor regeneration.

The reference element of this sensor is a second pH electrode immersed in a reference buffer solution. This glass reference system allows the sensor to be used in applications that poison conventional pH sensors.

An integral preamplifier is encapsulated in the body of the sensor. This creates a low impedance signal output which ensures stable readings in harsh environments, and maximize the distance between sensor and transmitter. Sensor diagnostics are used to alarm the user in the event of electrode breakage, loss of sensor seal integrity, or integral temperature sensor failure.

Sensor electrodes can be user-specified to ensure measurement reliability and maximum sensor lifetime. The type of glass used in the pH electrode can be selected for optimal performance. The metal electrode used for ORP measurements can be platinum or gold, depending on chemical makeup of the process solution.

Transmitter Features
The microprocessor-based transmitter is loop-powered and fully isolated for high service reliability. The transmitter includes devices to protect the system from power surge and brownout events.

The large, high contrast, super-twist display provides excellent readability over a wide operating temperature range, even in low light conditions. The main display line consists of large, segmented characters with measurement units. The secondary display line utilizes easily readable dot matrix characters for clear display of calibration and diagnostic messages. Two of four measured parameters may be displayed simultaneously.

Four-button programming provides intuitive navigation through the menu driven user interface. The 4 to 20 mA transmitter output can be configured to represent any portion of the measurement range. Output HOLD, ALARM and SIMULATION features provide the user with complete control of the system output under any condition.

Diagnostic messages provide a clear description of system condition, which eliminates confusing error codes that must be looked up in the operator’s manual.

The flexible two-point and sample calibration options include auto-buffer recognition from thirteen built-in buffer tables. Manual override of the automatic buffer values allows the user to customize calibration values. To ensure high accuracy, all calibration methods include stability monitors that check temperature and main parameter stability before accepting data.

SPECIFICATIONS

PHE-45P and ORE-45P Sensor
Sensor Cable: 3 m (10')
Measuring Range:
    PHE-45P: 0 to 14.00 pH
    ORE-45P: -1000 to 2000 mV
Sensitivity: 0.002 pH, 0.2 mV (ORP)
Stability: 0.02 pH or 2 mV per 24 hours, non-cumulative
Wetted Materials:
    PHE-45P: PEEK, ceramic, titanium, glass, FKM, EDPM (316 stainless steel with 316SS body option)
    ORE-45P: PEEK, ceramic, titanium, glass, FKM, EDPM, platinum or gold
Temperature Compensation:
Pt1000 Sensor Cable: 6 Conductor plus 2 shields
Temperature Range: -5 to 95°C (23 to 203°F)
Pressure Range: 0 to 100 psig
Maximum Flow Rate: 3 m (10') per second Sensor to Transmitter Distance: 914 m (3000')
Mounting Options: 1 NPT convertible
Weight/Shipping Weight: 0.45 kg (1 lb)

PHTX-45 Transmitter
Enclosure: NEMA 4X, IP65, polycarbonate, stainless steel hardware, weatherproof and corrosion resistant, 112 H x 112 W x 89 mm D (4.4 x 4.4 x 3.5")
Mounting Options: Wall, panel, pipe, Din rail, integral-sensor
Conduit Openings: 2-PG9 openings, 1 to 1 NPT center opening, cord grips and plug included
Weight/Shipping Weight: 0.45 kg (1 lb)
Display: Large, high-contrast, super-Twist (STN) LCD; 4-digit main display with 19.1 mm (0.75") seven-segment character, 12-digit secondary display, 7.6 mm (0.3") 5 x 7 dot matrix character
Keypad: 4-key membrane type with tactile feedback, polycarbonate with UV coating, integral EMI/static shield and conductivity coated window
Ambient Temperature:
    Service: -20 to 60°C (-4 to 140°F)
    Storage: -30 to 70°C (-22 to 158°F)
Ambient Humidity: 0 to 95%, non-condensing
Location: Designed for hazardous and non-hazardous areas
EMI/RFI Influence: Designed to EN61326-1
Voltage Range: 16 to 35 Vdc (two-wire device)
Output Isolation: 600 V galvanic isolation
Transmitter Cable Type: Belden twisted-pair, shielded
Filter: Adjustable 1 to 99 seconds additional damping to 90% step input
Temperature Input: Selectable Pt1000 or Pt100, automatic compensation

PHE-45P Performance
Displayed Parameters:
Main Input: 0 to 14.00 pH;
Sensor Voltage: ±500 mV;
Loop Current: 4 to 20 mA;
Sensor Temperature: -10 to 110°C (14 to 230° F)
Main Parameter Range: 0 to 14.00 pH
Input Impedance: Greater than 1013 Ω
Repeatability: 0.1% of or better
Sensitivity: 0.05% of span
Non-Linearity: 0.1% of span
Stability: 0.1% of span per 24 hours, non-cumulative
Warm-Up Time: 4 seconds to rated performance
Supply Voltage Effects: ±0.05% span
Transmitter Response Time: 4 seconds to 90% of step input at lowest setting
Temperature Drift: Span or zero, 0.02% of span/°C Sensor to Transmitter Distance: 914 m (3000') w/preamp, 9.1 m (30') w/o preamp

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Part Number/Desc.

Qty

Description

PHTX-45

PHP48,399.00

Availability: 10 weeks

pH Transmitter

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PHP43,059.30

Availability: 7 weeks

pH Electrode

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ORP Sensor

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24 Vdc, 175 mA Power Supply

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Submersion Mounting Hardware, 1.8 m (6’)

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pH/ORP Sensor Regeneration Kit: 1 saltbridge plus 1-125 mL bottle of Reference Cell Solution, pH 7.00 (for Models PHE-45P and ORTX-45E sensors only)

PHA-4

PHP1,043.46

Availability: 1 week

pH 4.01 Buffer Solution, 475ml Bottle

PHA-7

PHP1,043.46

Availability: 2 weeks

pH 7.01 Buffer Solution, 475ml Bottle

PHA-10

PHP1,043.46

Availability: 1 week

pH 10.01 Buffer Solution, 475ml Bottle

PHA-4710

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Availability:

Buffer kit accessory - 4,7,10 Capsules(2 of each)

† All prices on this site are shown in Philippine Pesos.
Note: Comes complete with operator's manual.

Ordering Example: (1) PHA-4 pH 4.01 Buffer Solution, 475ml Bottle, PHP1,043.46 plus (1) PHA-7 pH 7.01 Buffer Solution, 475ml Bottle, PHP1,043.46 plus (1) PHE-45P pH Electrode, PHP43,059.30 plus (1) PHTX-45 pH Transmitter, PHP48,399.00, PHP1,043.46 + 1,043.46 + 43,059.30 + 48,399.00 = PHP93,545.22

Product Manuals:

Download PHTX-45 - pH Transmitter

Download PHE-45P - pH Sensor