Product details
4–8 Channel Touchscreen Water Quality Controller — Multi-Parameter
The InstroDirect IDWQ-3000 Multi-Parameter Water Quality Touchscreen Controller – 4–8 Channels is a touchscreen multi-parameter water-quality controller available in three configurations: IDWQ-3000 (4.3-inch screen, 1 digital sensor channel, 2× 4–20 mA out, 3-channel SPDT relay), IDWQ-3000T (5-inch screen, 2 digital sensor channels, 6× 4–20 mA out, 6-channel relay), and IDWQ-3000F (5-inch screen, 4 digital sensor channels). Automatic digital sensor detection via RS485/232, online firmware upgrade, up to 16 parameters displayed. For multi-parameter online water quality monitoring stations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Support type | All digital sensors (RS485 Modbus RTU) |
| Display — IDWQ-3000 | 4.3-inch touch screen (colour) |
| Display — IDWQ-3000T / 3000F | 5-inch touch screen (colour) |
| Resolution — IDWQ-3000 | 480 × 272 |
| Resolution — IDWQ-3000T / 3000F | 800 × 480 |
| Size — IDWQ-3000 | 188 mm × 160 mm × 126 mm |
| Size — IDWQ-3000T / 3000F | 236 mm × 185 mm × 111 mm |
| Power supply | 24v DC only |
| Power consumption — IDWQ-3000 | < 4 W |
| Power consumption — IDWQ-3000T / 3000F | < 6 W |
| Storage temperature | (−20 – 70) °C |
| Operating temperature | (−10 – 60) °C |
| Material | PC, ABS |
| Protection level | IP55 |
| Analyzer interface — IDWQ-3000 | 1 digital sensor |
| Analyzer interface — IDWQ-3000T | 2 digital sensors |
| Analyzer interface — IDWQ-3000F | 4 digital sensors |
| Analog output — IDWQ-3000 | 2 channels 4–20 mA analog output |
| Analog output — IDWQ-3000T / 3000F | 6 channels 4–20 mA analog output |
| Relay — IDWQ-3000 | 3 Channel SPDT Relay (250 VAC, 30 VDC / MAX 5 A) |
| Relay — IDWQ-3000T / 3000F | 6 Channel Relay (120 VAC, 24 VDC / 1 A) |
| Digital output | 1 RS485 output interface, 1 RS232 output interface |
Typical Australian Applications
- Multi-parameter online water quality monitoring station (pH + DO + conductivity + turbidity + chlorine)
- Drinking water treatment plant central monitoring station
- WWTP aeration basin with multiple sensors
- Pharma / food & beverage utility water compliance panel
- Aquaculture farm central RAS monitoring
- Environmental surveillance station (river, catchment)
Frequently Asked Questions
Which IDWQ-3000 variant should I specify?
IDWQ-3000 if you have 1 digital sensor. IDWQ-3000T if you have 2 (typical pH + DO or pH + chlorine pairing). IDWQ-3000F if you have 3–4 sensors (full multi-parameter station). Specify the variant at order.
Can this replace an Endress+Hauser Liquiline CM44R or HACH SC1000?
Functionally yes for multi-parameter display and 4–20 mA / Modbus output. Key difference: sensor protocol. Liquiline CM44R requires E+H Memosens sensors. HACH SC1000 requires HACH SC digital sensors. IDWQ-3000 accepts any InstroDirect Modbus RTU sensor and any other vendor’s Modbus-capable sensor.
How many parameters can the IDWQ-3000F display simultaneously?
Up to 16 parameters across the 4 digital sensor channels. Each digital sensor typically reports 2–4 parameters (e.g. a pH sensor returns pH + temperature; a multi-parameter DO sensor returns DO + % saturation + temperature).
Australian Technical Support & Commissioning
- Brisbane-based technical support from field engineers with 20+ years automation experience across Allen-Bradley, Siemens, Schneider Electric.
- On-site commissioning & configuration across QLD, NSW, VIC — sensor wiring, Modbus register mapping, SCADA integration, alarm threshold setup.
- Remote support via phone / email for WA, SA, TAS, NT.
Why InstroDirect vs Endress+Hauser Liquiline or HACH SC in Australia
The Endress+Hauser Liquiline CM14/CM442/CM44R and HACH SC100/SC200/SC1000 transmitter families are the default Tier-1 choices for Australian water utilities — but they lock you to proprietary digital protocols (Memosens / SC digital) and the vendor’s full sensor ecosystem. InstroDirect controllers accept both InstroDirect open-Modbus digital sensors AND standard analog mV / 4–20 mA inputs, giving you protocol freedom and typically 30–50% lower landed cost.
| Factor | InstroDirect IDWQ Series | Endress+Hauser Liquiline / HACH SC |
|---|---|---|
| Sensor protocol | Open RS485 Modbus RTU + analog | Proprietary Memosens / SC digital |
| Sensor vendor lock-in | None — swap sensor brands without replacing transmitter | Must use matching brand sensors |
| SCADA integration | Native Modbus to any PLC / RTU / gateway | Proprietary or HART via gateway |
| Price | Parallel-import, 30–50% below authorised distributor | Premium distributor pricing |
| AU support | Brisbane field engineers, direct | Third-party service network |
Request a Trade Quote
Panel builders, integrators, council water departments, and pharma / process teams get volume trade pricing. Submit a quote request and we’ll respond within one business day.
