CHINO KR3120 Paperless Recorder (KR3000 Series) | 12-point universal input, approx. 100 ms / all points, ±0.1% FS, 12.1-inch touch screen, CF card up to 8 GB, Ethernet

CHINO KR3120 Paperless Recorder: 12 Points, Approx. 100 ms / All Points, 12.1-Inch Touch Screen

Overview

The KR3120 is the 12-point, 100 ms version of the CHINO KR3000 series graphic paperless recorder, with a 12.1-inch TFT color LCD and touch operation. It provides real-time and historical trends, bar graphs, numeric displays and a 4-screen simultaneous view, and annotations can be written directly on the screen with the supplied stylus. Measurement data is stored in internal memory and on a CF card and can be copied to a USB flash drive. Ethernet is standard, supporting remote monitoring via a web browser, FTP file transfer and e-mail notification. 24 / 36 / 48-point models and the 1 s version (approx. 300 ms / all points) of the same series are available on request.

Key Specifications

• Measurement points: 12 points (KR3120, 100 ms version)
• Input types: DC voltage ±13.8 mV to ±50 V; 16 thermocouple types including B, R, S, K, E, J, T, N, U, L; RTD Pt100, JPt100, Pt50, Pt-Co; DC current requires an external shunt resistor (sold separately)
• Accuracy and measurement cycle: ±0.1% FS; approx. 100 ms / all points
• Isolation: 1000 V AC or more between channels (except RTD input); common-mode rejection ratio 120 dB or more
• Recording: Internal flash memory 8 MB; CF card 32 MB–8 GB (256 MB supplied); recording interval 100 ms–60 min; Binary / CSV
• Computation: Up to 128 points; arithmetic, comparison, logic operations, etc.
• Communication: Ethernet (10BASE-T / 100BASE-TX) standard: web server, FTP, e-mail, SNTP, MODBUS TCP; optional RS-232C, RS-422A / RS-485
• Options: Alarm output, 8 voltage-free contact inputs, custom graphic screens
• Power and housing: 100–240 V AC, 50 / 60 Hz, max. 65 VA; panel mount, bezel 288 × 288 mm; front IP54; approx. 7.2 kg

Applications

• Continuous multi-point temperature recording on heat-treatment furnaces, drying equipment and similar.
• Centralized monitoring and remote recording of voltage and temperature signals from production lines and test equipment.

Specifications per the CHINO Graphic Recorder (Japanese: gurafikku rekōda) KR3000 product page and KR3000 series specification sheet PR-110-9 (chino.co.jp, retrieved 2026-10-23).