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The BL931700 is a compact single setpoint pH controller designed for applications where space and/or cost are important. It’s adjustable dosing relay may be configured to dose above or below a pH setpoint. Users may choose from automatic or manual dosing modes allowing for easy maintenance and troubleshooting. The device contains a high impedance pH input and may be used with any pH electrode that has a standard BNC connector.
A large LCD clearly displays the parameter you are monitoring.
Special materials provide additional protection in the event of an emergency.
The controller’s high impedance pH input may be used with any pH electrode with a standard BNC connector.
The BL931700 model offers a manual two-point calibration with pH values displayed out to two decimal places.
A normally open contact may connect to a level controller or flow monitor. This safety feature may be used to prevent continuous dosing in the event of specific or undesired system conditions.
The BL931700 features a dosing relay which may be configured to dose above or below a user programmable pH setpoint.
The mini controller may be programmed to deactivate a valve, pump, or connected device if its activation continues over a selected time; adjustable from 5 to 30 minutes.
With the flick of a switch, normal “Auto” operation may be overridden turning your connected device “Off” from operation or always “On.”
The BL931700 features a 4 – 20 mA analog output for connection to a data logger, chart recorder, or other device.
An included matching pin option helps protect the sensor from ground loop effects that may lead to erratic readings or system damage.
The mini controller is protected for up to a 2A load from the connected pump or device.
Quick-connect terminal blocks provide for easy connection to power, communication, dosing control, or sensors.
Installation cut-out dimensions are provided as well as outside panel dimensions.
Adjustable location brackets allow the controller to slide easily and securely into place..
| SKU | BL931700-web |
| Name | pH Mini Controller with Analog Output – BL931700 |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Calibration | manual, 2 points through offset and slope trimmers |
| pH Input impedence | 10¹² Ohm |
| pH Dosing Relay | maximum 2A (fuse protected), 250 Vac, 30 VDC |
| pH Dosing Set Point | adjustable from 0 to 14 pH |
| Over Dosing Control | adjustable, typically from 5 to approximately 30 minutes |
| Analog Ouput Signal | 4 to 20 mA, accuracy ±0.20 mA, 500 Ω maximum load |
| Power Supply | BL931700-0: 12 VDC adapter (included); BL931700-1: 115/230 VAC; 50/60Hz |
| Dimensions | 83 x 53 x 99 mm (3.3 x 2.1 x 3.9”) |
| Weight | BL931700-0: 200 g (7.1 oz.); BL931700-1: 300 g (10.6 oz.) |
BL931700-0 (12 VDC) and BL931700-1 (115/230 VAC) are supplied with mounting brackets, transparent cover and instruction manual.
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To empower customers to achieve quality
by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
To empower customers to achieve quality by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.
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