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HI9910-2 Industrial Grade pH Controller with Single Setpoint (Direct 230V outputs)-Copy
HI9910-2 Industrial Grade pH Controller with Single Setpoint (Direct 230V outputs)-Copy
THB 35,600.00 * Prices plus VAT plus shipping costs
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Product information "HI9910-2 Industrial Grade pH Controller with Single Setpoint (Direct 230V outputs)-Copy"

HI 9910 is a pH controller with a single set point for proportional dosage of acid or alkaline solutions. Any pH electrode ending in a BNC connector can be directly attached to the controller. The proportional control can be fine tuned through two dials on the front panel. The time cycle is adjustable from 0 to 90 seconds and the proportional band from 0.0 to 2.0 pH. Coarse and fine as well as offset and slope trimmers make accurate setting and calibration easy and convenient. A pump or electrovalve can be wired directly to the controller and be powered through the terminals.

The HI 9910 also provides for an alarm relay. The alarm is activated when the measurements stray away from the set point by a predetermined value in the 0.5 to 2.5 pH range. A maximum dosing time from 1 to 10 minutes can also be set, after which the alarm is activated to warn of an abnormality. The alarm can be configured in either normally-closed or normally-opened state. HI 9910 also provides an isolated output signal which is user selectable between 0-20 or 4-20 mA. A dial on the front panel renders manual temperature compensation fast and easy.

For automatic temperature compensation, hook up a three wire Pt100 to the controller. To speed up wiring, the HI 9910 comes with extractable terminal modules. Once wired up, the compartment containing the connections is protected behind a fire-retardant ABS panel. Several LED's show whether the set point or alarm relays are activated from a distance.

 

Order Information:
HI 9910 is supplied complete with instructions.

Product Manuals

  Manual: Download

Specification :

Range 0.00 to 14.00 pH
Resolution 0.01 pH
Accuracy @ 20°C ±0.02 pH
Calibration through "OFFSET" and "SLOPE" trimmers (max. ±1.5 pH for offset and 80% to 110% for slope)
Temperature
Compensation
 automatic from 0 to 50°C with Pt100 probe or manual from -10 to 80°C
Setpoint from 0.00 to 14.00 pH with "COARSE" and "FINE" trimmers with "ACID" or "ALK" (alkaline) selection
mA Output user selectable 0 to 20 mA or 4 to 20 mA over the 0-14 pH range with isolated output
Proportional
Control
 pH is user adjustable from 0.0 to 2.0 and time cycle from 0 to 90 seconds
Alarm Contact terminals can be configured as normally open or normally closed (isolated output max. 2A, max. 240V, resistive load, 1,000,000 strokes). The alarm is activated if pH varies by more than user selectable interval (0 to 2 pH) from set point or due to overdosage
Dosing Terminals relay terminals (115 to 240V, max.2A,1,000,000 strokes) are activated when pH exceeds the set point with “ACID” dosage or falls below the set point with “ALK” selection (alkaline dosage)
Power Supply ±10% 115 VAC or 230 VAC; 50/60 Hz
Environment -10 to 50°C (14 to 122°F); RH max 95% non-condensing
Case Material fiber-reinforced, self-extinguishing ABS
Dimensions 221 x 181 x 86 mm (8.7 x 7.1 x 3.4’’)
Weight 1.6 kg (3.5 lb.)


 

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