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Wall Mounted pH Digital Controller with Dual Setpoint Hanna Instruments HI21211

Product Information

Manufacturer: Hanna Instrument
Model: HI21211
Warranty: 12 months

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Categories: pH Meter, Water Quality Tester

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For orders from 3,000,000 VND

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Contact Ho Chi Minh City

Tel: (028).3977.8269 / 0906.988.447

Email: sales@lidinco.com

Contact Bac Ninh, Ha Noi City

Tel: (0222).730.0180

Email: bn@lidinco.com

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Description
Documents

The HI21211 controller is a dual set point, microprocessor-based pH process controller specifically designed to meet your process control requirements. A host of self testing features and user-friendly functions make HI21211 a great value.
On/Off Control
Fail Safe Alarm System.
Automatic Temperature Compensation using pt100 temperature probe.
Fail Safe Alarm System
Hanna’s exclusive Fail Safe Alarm System protects against problems caused by power supply failure or signal interruption, which are typical risks in industrial environments. An alarm condition is indicated by a red LED, located directly on the front panel of the controller.
Simple Installation
HI21211 has mounting holes molded into the housing to assure simple, quick and secure installation without the need for additional hardware.
Isolated Recorder Output
To enhance troubleshooting and the ability to record data while monitoring, simply attach a recording device to the instrument’s 4 to 20 mA output contacts, conveniently located on the front panel, to obtain a copy of the results on demand.
Matching Pin
A differential input prevents problems due to ground loop current when using pH electrodes with a matching pin. Very effective at extending the life of the electrode.
Quality Construction
Housed in a rugged, modular, fiber-reinforced polypropylene housing that will resist the harmful effects of most chemicals.
Password Protection
The Hanna password protection feature keeps these controllers safe from tampering. Only users with the proper password can change the settings of these controllers.

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Thông số kỹ thuật

pH Range	0.00 to 14.00 pH
pH Resolution	0.01 pH
pH Accuracy	±0.02 pH
pH Calibration	automatic, one, two or three point, at pH 4.01, 7.01, 10.01
pH Temperature Compensation	automatic (with Pt100 probe) or manual from -9.9 to 120°C
pH Dosing Relay	electromechanical relay SPDT contact outputs, 5A-250 Vac, 5A – 30 Vdc (resistive load)
pH Dosing Set Point	0.00 to 14.00 pH
pH Hysteresis Band	0.00 to 14.00 pH
Temperature Range	-9.9 to 120.0 °C
Temperature Resolution	0.1 °C
Temperature Accuracy	±0.5 °C
Dosing Control	on/off
Dosing Terminals	two electromechanical relay SPDT contact outputs, 5A-250 VAC, 5A – 30 VDC (resistive load), fuse protected: 5A, 250V fast fuse
Consent Relay	electromechanical relay SPDT contact outputs, 5A-250 VAC, 5A – 30 VDC (resistive load) (HI211YZ and HI212YZ), fuse protected: 5A, 250V fast fuse
Alarm Relay Set Point	electromechanical relay SPDT contact output, 5A – 250 VAC, 5A – 30 VDC (resistive load) fuse protected: 5A, 250V, 250V fast fuse
Alarm Relay Range	0.00 to 14.00 pH
Over Dosing Control	maximum relay ON time is adjustable from 1 to 60 minutes
Analog Ouput Signal	0 to 1 mA, 0 to 20 mA, 4 to 20 mA; 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC
Voltage Output	±5V power supply output for amplieifed electrodes
Power Consumption	15 VA
Over Current Protection	400 mA, 250V, fast fuse
GLP	date, time, offset, slope and calibration buffers for the last calibration
Power Supply	230 VAC ±10%
Environment	0 to 50°C (32 to 122°F); RH max. 85% non-condensing
IP Rating	IP54
Dimensions	221 x 181 x 86 mm (8.7 x 7.1 x 3.4’’)
Weight	1.4
Ordering Information	Each HI21 model is supplied with instructions