Online Single/Dual-parameter Controller / Analyzer : TLM-400

Full-color multi-line LCD for intuitive real-time data display.

Supports both panel-mounted and wall-mounted configurations.

Multiple built-in calibration modes ensure accurate and stable measurements with minimal manual input.

Configurable relays for high/low alarms and hysteresis control for external devices.

Supports both analog (2 × 4~20 mA isolated) and RS485 MODBUS RTU digital output.

Password-protected system with user-level permission management.

Application	pH / ORP / Ion Conductivity /Resistivity / TDS Salinity / Acid base salt concentration / Polarographic DO / Trace DO / Fluorescent DO / Turbidity / TSS / Potentiostatic FCL / Polarographic FCL / Potentiostatic CLO2 / Potentiostatic Ozone
Mounting Type	Wall-mounted / Panel-mounted
Display	Full-color LCD (multi-line)
Data Logging	Built-in / Optional / Modbus-based
Analog Output	2 × 4~20 mA (Isolated), configurable range
Digital Communication	RS485 (MODBUS RTU)
Relay Outputs	2× SPDT, 250 VAC / 3 A or 30 VDC
Power Supply Voltage	85~265 VAC or 9~36 VDC, ≤3 W
Weight	0.6 kg
Dimensions (H × W × D)	98 mm × 98 mm × 130 mm
Panel Cutout	92.5 mm × 92.5 mm

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