Specifications Source: Intuition-6 Instruction Manual Rev. H , Pages: 3–10
Use these tables to confirm sensor ranges and accuracy.
Cell Constant Range Resolution Accuracy 0.01 0-300 µS/cm 0.01 µS/cm ±1% of reading or 0.01 µS/cm 0.1 0-3,000 µS/cm 0.1 µS/cm ±1% of reading or 0.1 µS/cm 1.0 0-30,000 µS/cm 1 µS/cm ±1% of reading or 1 µS/cm 10.0 0-300,000 µS/cm 10 µS/cm ±1% of reading or 10 µS/cm
Electrodeless Conductivity Range Resolution Accuracy 500-12,000 µS/cm 1 µS/cm ±1% of reading 3,000-40,000 µS/cm 1 µS/cm ±1% of reading 10,000-150,000 µS/cm 10 µS/cm ±1% of reading 50,000-500,000 µS/cm 10 µS/cm ±1% of reading 200,000-2,000,000 µS/cm 100 µS/cm ±1% of reading
Conductivity ranges apply at 25°C. At higher temperatures, the effective range is reduced. For example, at 100°C the range is approximately 36% of the 25°C value.
pH Measurement Parameter Value Range -2 to 16 pH units Resolution 0.01 pH units Accuracy ±0.01% of reading
ORP Measurement Parameter Value Range -1500 to 1500 mV Resolution 0.1 mV Accuracy ±1 mV
Disinfection Sensors Parameter Value Range (mV) -2000 to 1500 mV Resolution (mV) 0.1 mV Accuracy (mV) ±1 mV Range (ppm) 0-2 ppm to 0-20,000 ppm (sensor dependent)
Temperature Measurement Sensor Type Range Resolution Accuracy 100Ω RTD 23-500°F (-5 to 260°C) 0.1°F ±1% or ±1°C 1000Ω RTD 23-500°F (-5 to 260°C) 0.1°F ±1% or ±0.3°C 10K/100K Thermistor 23-194°F (-5 to 90°C) 0.1°F ±1% or ±0.3°C
Parameter Value Range 0-22 mA Resolution 0.01 mA Accuracy ±0.5% of reading
Electrical Specifications Review power and wiring requirements before installation.
Power Supply Parameter Value Input Voltage 100-240 VAC ±10% Frequency 50/60 Hz Maximum Current 7 A Fuse 6.3 A
Input Type Specification Contacting Conductivity 0.01, 0.1, 1.0, or 10.0 cell constant Electrodeless Conductivity Dedicated sensor card required pH/ORP/ISE Requires preamplified signal (WEL or WDS series) Temperature 100Ω or 1000Ω RTD, 10K or 100K thermistor 4-20 mA Analog 2, 3, or 4-wire transmitters supported
Each 4-20 mA input channel provides isolated 24 VDC ±15% power:
Maximum 2.0 W (83 mA) per channel
Total power consumption limited based on ambient temperature
Total Watts (All Channels) Maximum Ambient Temperature 2 W 50°C (122°F) 4 W 45°C (113°F) 6 W 40°C (104°F) 8 W 35°C (95°F)
The controller provides six digital input channels:
Input Type Specification State-Type Optically isolated, 9 VDC, 2.3 mA, <2 sec response Low Speed Counter 0-20 Hz, 25 ms minimum pulse width High Speed Counter 0-500 Hz, 1.0 ms minimum pulse width
Total available 9 VDC power: 111 mA across all digital inputs.
Relay Outputs Output Type Rating Powered Mechanical Relays 6 A resistive, 1/8 HP (93 W), fused as group Dry Contact Mechanical Relays 6 A resistive, 1/8 HP (93 W), not fused Pulse Solid State Opto 200 mA, 40 VDC max
Pulse output accuracy:
0-10 Hz: ±0.5% of pulse rate
10-20 Hz: ±1.0%
20-40 Hz: ±2.0%
Analog Outputs (Optional) Parameter Value Type 4-20 mA, internally powered Isolation Fully isolated Load 600 Ω maximum resistive Resolution 0.0015% of span
Communication Interface Specification Ethernet 10/100 802.3-2005, Auto MDIX, Auto Negotiation USB Type A, High speed (480 Mbit), 0.5 A max Protocols Modbus TCP, BACnet (optional)
Mechanical Specifications Parameter Value Enclosure Material Polycarbonate Enclosure Rating UL 50 Type 4X, IP66 Dimensions 11.1” x 8.3” x 5.5” (282 x 211 x 140 mm) Display 5” TFT color, 800 x 480 pixels, capacitive touchscreen Weight Approximately 5 lbs (2.3 kg)
Environmental Parameter Value Operating Temperature -4 to 131°F (-20 to 55°C) Storage Temperature -4 to 176°F (-20 to 80°C) Humidity 10-90% non-condensing Altitude 2000 m (6560 ft) maximum Pollution Degree 2 Overvoltage Category II Installation Indoor and outdoor, suitable for wet locations
Mounting Clearances Side Clearance Required Top 2” (50 mm) Left 8” (203 mm) — not applicable for prewired models Right 4” (102 mm) Bottom 7” (178 mm)
Agency Approvals Use this section for compliance and certification references.
Safety
UL 61010-1:2012 3rd Ed + Rev:2019
CSA C22.2 No. 61010-1:2012 3rd Ed. + U1; U2
IEC 61010-1:2010 3rd Ed. + A1:2016
EN 61010-1:2010 3rd Ed. + A1:2019
EMC
IEC 61326-1:2020
EN 61326-1:2013
For EN 61000-4-3 Radiated RF Immunity, the controller meets Performance Criteria B. In environments with severe radio-frequency interference, the controller may reboot. Relocate the controller away from EMI sources if this occurs.
Sensor Specifications Reference these limits when selecting sensor materials and fittings.
Pressure and Temperature Ratings Sensor Type Max Pressure Max Temperature Materials Electrodeless Conductivity 150 psi CPVC: 158°F, PEEK: 190°F CPVC or PEEK, FKM o-ring pH 100 psi 158°F CPVC, Glass, FKM, HDPE ORP 100 psi 158°F CPVC, Glass, FKM Contacting Cond. (Cooling Tower) 150 psi 158°F Graphite or 316SS, PP Contacting Cond. (Boiler) 250 psi 401°F 316SS, PEEK Contacting Cond. (High Pressure) 300 psi 158°F 316SS, PEEK High Pressure pH/ORP 300 psi 275°F Glass/Platinum, 316SS, FKM Disinfection Sensors 14.7 psi 113-131°F PVC, Polycarbonate, PEEK
Pressure ratings decrease with increasing temperature. Always verify sensor compatibility with your process conditions using the pressure/temperature derating curves in the full manual.
Battery Parameter Value Type BR2032, 3V Lithium Coin Cell Size 20 mm diameter Function Real-time clock backup
Sources
Intuition-6 Instruction Manual Rev. H Pages 3–10 • February 2024
