eTOC series - Specs

TOC-1000e On-Line TOC Analyzer for Pure Water

Installation Space



TOC-1000e with Vial Sampler (Optional)

TOC-1000e with Vial Sampler (Optional)

eTOC Series




Measurement items

TOC, conductivity (or specific resistance), and temperature

Measurement principle

UV oxidation-conductivity method

Sample Water Conditions

Temp.: 10 to 50 °C
Flowrate: 30 to 500 mL/min
Conductivity: 2 µS/cm or lower

Measurement cycle

2.5 min, 5 min, 10 min, 15 min, 30 min, 1 hr, 2 hrs, 4 hrs, 12 hrs, or 24 hrs

Measurement range

TOC: 0 to 2000 µg/L
Conductivity: 0.023 to 206 µS/cm (without temperature correction)
Temp.: 10 to 50 °C

Detection limit

TOC: 0.1 µg/L


TOC: ± 5 % (500 µg/L sucrose)
Conductivity: ± 2 % (147 µS/cm at 25 °C)
Temp.: ± 0.5 °C (at 25 °C)


TOC: CV ≤ 1 % or SD ≤ 0.3 µg/L, whichever is greater


TOC: R2 ≥ 0.98


Creates a 4-point calibration curve automatically


USB flash drive, printer, LAN (file or Internet), Modbus (TCP/IP), analog*3, or contact*3

Analog Output*3

4 to 20 mA output, three channels from TOC, conductivity, specific resistance, or temperature

Contact Output*3

Alarm: Measurement value alarm, device alarm, serious failure, or power supply interruption
Event: Ready for measurement, measuring, and analog synchronization signal

Contact Input*3

Start measurement


7-inch color touch panel

Ingress Protection Rating


Installation Site Requirements

Indoors, with 10 to 40 °C ambient temperatures
Tabletop, wall-mounted*4 or pole-mounted*4

Power supply

100 to 240 V AC, 50/60 Hz


W270 × D140 × H180 mm


Approx. 2.88 kg

*1: The specification above is available when managed and operated appropriately by trained people.
*2: Using an optional vial sampler
*3: Using an optional external I/O kit
*4: Using an optional bracket kit

Read more
Show Less
{"title":"Specification Sheet Downloads","description":"Download the latest specification sheets.","source":"product","key":4549,"max":"30","filter_types":["spec_sheet"],"link_title":"View other Downloads","link_url":""} {"title":"Downloads","description":"Download the latest brochure.","source":"product","key":4549,"max":"30","filter_types":["brochures"],"link_title":"View other Downloads","link_url":"","pdf_links":[]}