Specification
BPD17 pH / Redox Monitor
Operating Guide
- 9 -
Operator Adjustment
(Temperature)
± 50 °C or ± 122 °F
Range of Temperature
Compensation
-10 °C to +150 °C (+14 °F to +302 °F) for full specification.
Temperature Compensation Type
Automatic or manual -10 °C to +150 °C
Off-Line Facility
The relays are de-energised and the current output is held at
a user defined level.
Ambient Operating Conditions
Temperature -20 to +55°C, Relative Humidity 5 to 95%, non-
condensing.
Ambient Temperature Variation
±0.01% of range / °C (typical)
Display
3¾“ 240x128 dot LCD Module
Display Backlight
Can be set to flash to indicate the instruments alarm status.
Buttons
5 tactile feedback micro-switched, silicone rubber
Digital Inputs
2 contact inputs for remote activation of user defined
operations. Can be configured to operate in either normally
open or normally closed modes.
Current Output Specification
Single current output, selectable 0-20mA or 4-20mA into
750 ohms max, fully isolated to 2kV. Expandable up to 5% of
any operating range and offset anywhere in that range.
Current Output Adjustment
±0.01mA, 3 point 0/4-20 mA for remote monitor calibration.
Setpoints and Control Relays
Specification
2 normally open fully configurable setpoints with volt free
contacts for each relay. Rated at 5A @ 30V DC / 5A @ 250V
AC.
Setpoint Modes
High, Low, Band, Cleaning
Delay timer adjustable from 00:00 to 59:59 mm:ss.
Hysteresis 0 to 9.99%.
Dose alarm timer, with supplementary initial charge
function. Both adjustable from 00:00 to 59:59 mm:ss.
Cleaning to operate a jet spray wash or rotary electrode
cleaning system on a timed cycle. Adjustable Duration,
Interval and Recovery.
MicroSD Card Interface
Enables on site upgrading of instrument software. SD, SDHC
and SDXC-FAT32 cards supported.
EMC
2014/30/EU using BS EN 61326-1: 2013.
Low Voltage Directive
2014/35/EU using BS EN 61010-1: 2010.
Power Supply
Universal 90-265V AC, 9W max.
LV Option 12 – 30 V DC, 4W max.
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