IDWQ-3000 Multi-Parameter Water Quality Touchscreen Controller – 4–8 Channels
IDWQ-2000 Single-Channel Water Quality Controller – 4″ LCD, Dual 4–20 mA, RS485 + RS232
IDWQ-1000 Single-Channel Water Quality Controller – 3″ LCD, 4–20 mA, Modbus
IDH-J605-HP High-Pressure Alkali pH Electrode – 130°C, 13 bar
IDH-J301-CR Cryogenic Process pH Sensor – −20°C Low-Temperature
IDH-J204-V Viscous Liquid pH Probe – Anti-Clogging
IDH-J203-CF Corrosion/Fouling-Proof Process pH Electrode – 130°C
IDH-J202-HF HF-Resistant pH Electrode – Hydrofluoric Acid Proof
IDH-100P Digital Process pH Sensor Pro – RS485 Modbus
IDH-J201 Industrial Standard pH Electrode – 130°C, 10 bar
IDH-500T High-End Industrial pH Sensor – PEEK Body, Extreme Chemistry
IDH-350T Premium Industrial pH Sensor – Long-Life Reference
IDH-320T Industrial pH Sensor – CIP-Compatible, Extended Temperature
IDH-300T Industrial Process pH Sensor – 100°C, 316 SS Trim
IDH-200T Mid-Range Industrial pH Sensor – 12mm Extended Body
IDH-100T Compact Process pH Sensor – 12mm Body
IDOA-FCL Residual Chlorine Online Analyzer
IDOA-NO3 Nitrate Nitrogen Online Analyzer
IDTB-SS-W Suspended Solids / Turbidity Probe with Self-Cleaning Wiper
IDTB-IL-316 Inline Optical Turbidity Sensor – Stainless, ISO 7027
Inline 316 stainless-steel optical turbidity sensor by InstroDirect. ISO 7027-compliant 90° scattered-light measurement with a stable infrared LED and photodiode array for drinking water, WWTP effluent, river, and process water monitoring. RS485 Modbus RTU output with integrated temperature compensation. Backed by Australian technical support, on-site calibration, and formazin standards stocked locally.
Inline 316 stainless-steel optical turbidity sensor by InstroDirect. ISO 7027-compliant 90° scattered-light measurement with a stable infrared LED and photodiode array for drinking water, WWTP effluent, river, and process water monitoring. RS485 Modbus RTU output with integrated temperature compensation. Backed by Australian technical support, on-site calibration, and formazin standards stocked locally.
IDFCP-1 Free Chlorine Monitoring Panel – Multi-Parameter Wall-Mount System
IDC-M12-PEEK M12 Digital PEEK Conductivity Sensor for Aggressive Chemicals
IDC-M12-PVC M12 Digital PVC Chemical-Resistant Conductivity Sensor
IDC-M12-SS M12 Digital Stainless 2-Electrode Conductivity Sensor
IDC-4E-SS Stainless 4-Electrode Conductivity Sensor
IDC-4E-POM POM-Body 4-Electrode Conductivity Sensor
IDC-2W-SS-L Inline Long-Body Stainless 2-Electrode Conductivity Sensor
The InstroDirect IDC-2W-SS-L Inline Long-Body Stainless 2-Electrode Conductivity Sensor — is an extended-body two-electrode conductivity probe for deep-insertion installations in process tanks, wastewater return lines, and industrial cooling loops. RS485 Modbus / Pt1000, 0 – 200 mS/cm, IP68. Backed by Australian technical support, on-site calibration, and next-day Brisbane dispatch.
The InstroDirect IDC-2W-SS-L Inline Long-Body Stainless 2-Electrode Conductivity Sensor — is an extended-body two-electrode conductivity probe for deep-insertion installations in process tanks, wastewater return lines, and industrial cooling loops. RS485 Modbus / Pt1000, 0 – 200 mS/cm, IP68. Backed by Australian technical support, on-site calibration, and next-day Brisbane dispatch.
IDC-2W-SAN Sanitary Tri-Clamp 2-Electrode Conductivity Sensor
IDC-2W-SS-H Hex-Body Stainless 2-Electrode Conductivity Sensor
IDO-F28c Compact Fluorescence Dissolved Oxygen Sensor – Replaceable Cap, 28mm
Compact 28mm fluorescence dissolved oxygen sensor engineered by InstroDirect with a field-replaceable optical cap — swap consumables in under a minute without returning the probe to factory. Delivers 0.01 mg/L resolution and ±0.3 mg/L accuracy via RS485 Modbus RTU. Titanium, 316 stainless, and POM construction suits portable or permanent deployment in aquaculture raceways, small WWTPs, fermentation vessels, and telemetry nodes. AU technical support and site calibration included.
Compact 28mm fluorescence dissolved oxygen sensor engineered by InstroDirect with a field-replaceable optical cap — swap consumables in under a minute without returning the probe to factory. Delivers 0.01 mg/L resolution and ±0.3 mg/L accuracy via RS485 Modbus RTU. Titanium, 316 stainless, and POM construction suits portable or permanent deployment in aquaculture raceways, small WWTPs, fermentation vessels, and telemetry nodes. AU technical support and site calibration included.
IDO-F28i Industrial Fluorescence Dissolved Oxygen Sensor – RS485 Modbus, Titanium & 316 Stainless
Industrial fluorescence dissolved oxygen sensor engineered by InstroDirect for fast-response inline DO measurement in continuous process streams. Fluorescence-quenching optical method — no membrane, no electrolyte, no flow dependency. T90 response ≤20 seconds. Titanium-alloy / 316 stainless construction for corrosive service. 0.01 mg/L resolution, ±0.3 mg/L accuracy, RS485 Modbus RTU up to 115200 bps. Drops into any PLC or SCADA with no proprietary transmitter required. Australian stock, technical support, and on-site calibration.
Industrial fluorescence dissolved oxygen sensor engineered by InstroDirect for fast-response inline DO measurement in continuous process streams. Fluorescence-quenching optical method — no membrane, no electrolyte, no flow dependency. T90 response ≤20 seconds. Titanium-alloy / 316 stainless construction for corrosive service. 0.01 mg/L resolution, ±0.3 mg/L accuracy, RS485 Modbus RTU up to 115200 bps. Drops into any PLC or SCADA with no proprietary transmitter required. Australian stock, technical support, and on-site calibration.





























