Chemtrol CH250 ORP pH Controller
SANITIZER AND pH CONTROL MADE EASY
The CHEMTROL® 250 is a microprocessor-based digital controller designed to maintain both sanitizer ORP (oxidation-reduction potential or Redox) and water pH in high-end residential pools, small commercial pools and spas and light industrial applications.
Designed for affordability, simplicity of installation, ease of use and long-term reliability, it includes features normally not found on this type of controller, such as:
– Adjustable setpoints.
– Adjustable high and low alarms.
– Adjustable overfeed safety timers.
– Adjustable proportional feed control.
ORP CONTROL
– Adjustable from 400 to 900 mV.
pH CONTROL
– Adjustable from 4.0 to 10.0.
ORP SENSOR
– Platinum electrode with 10-ft (3 m) cable.
pH SENSOR
– Glass electrode with 10-ft (3 m) cable.
READOUTS
– ORP (3 digits) and pH (2 digits) LEDs.
FEED MODES
– Manual, automatic, proportional.
ADJUSTMENTS
– Setpoint, calibration, limits, feed rate.
INDICATORS
– LEDs for feed mode, feed status, alarms.
SAFETY
– Audio, visual and remote alarms.
– Out-of-range limits and overfeed safety timers.
CABINET
– Polystyrene 9x7x4 in. (22x18x10 cm).
ELECTRICAL
– 110V, 230V or 24 VAC (specify).
PLUMBING
– PVC tees for 1-1/2″ or 2″ line.
WARRANTY
– 5 years on electronic module.
– 1 year on all other parts.
SHIPPING
– 12x12x12-in (30x30x30 cm) carton.
– 8 lbs (3 kg) without pumps.
– 16 lbs (6 kg) with 2 chemical feed pumps.
