HACH SC200 Controller LXV404.99.00102 – Versatile Analog Process Control

Key technical specifications

• Manufacturer & model: HACH, LXV404.99.00102 (replaced by LXV525.99P11111)
• Power option: 100-240 VAC, 50/60 Hz, 50 VA (7 W probe load) / 100 VA (28 W probe load)
• Input channels: One analog input for pH/ORP/DO sensors; second input not installed
• Signal outputs: Two 4-20 mA analog outputs (isolated)
• Relay rating: 240 VAC, 5 Amp relay output for control/alarm
• Physical dimensions: 18.1 cm x 14.4 cm x 14.4 cm (L x W x H)
• Weight: 1.7 kg

Sensor input & measurement capabilities

• Accepts standard analog sensors for pH (0-14 pH), ORP, or dissolved oxygen.
• Provides excellent linearity and resolution for precise process control.
• Built-in temperature compensation ensures accuracy across varying conditions.
• High noise immunity and robust design resist industrial interference.
• The HACH SC200 Controller supports quick sensor calibration.

Frequently asked questions (FAQ)

• Can I connect a digital sensor to this model? No, input #1 is specifically for analog pH/ORP/DO sensors; it does not accept digital probes.
• What is the successor model to LXV404.99.00102? HACH replaced it with LXV525.99P11111, which offers similar analog input and output features.
• Does the controller include a power cord? No, the unit provides a terminal block for hardwiring 100-240 VAC; you must supply a suitable cord.
• How many 4-20 mA outputs does it have? It includes two analog outputs, fully configurable for measured values or setpoints.
• What is the maximum probe load supported? The power supply supports up to 28 W probe load (100 VA total).

Author: Ubest Automation

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