Key facts
- Manuals
- 5
- Languages
- EN · FI
- Last added
- 2026-10-01
Featured Nokeval manuals
Nokeval F-2021 Digital Display Series Product Leaflet
The F-2021 digital display series is designed for temperature sensors and common process inputs, offering bright red LED displays that remain readable up to 100 m. Models vary by digit size (57 mm to 180 mm) and enclosure material, all with IP65 protection.
The device supports a wide range of inputs (thermocouples, Pt100/1000, Ni100, 0‑20 mA, 0‑10 V, potentiometers) and provides configurable outputs (0‑4‑20 mA, 0‑10 V, RS‑232/RS‑485). Power can be supplied from 85‑240 VAC or 24 VDC, both galvanically isolated, and the unit includes up to four alarm relays.
Covers: Features · Models · Input Options · Output Options · Power Supply · Technical Specifications
Nokeval 641 Signal Converter User Manual
The Nokeval 641 is a three‑way isolation and signal converter designed for mA, V and mV inputs and outputs. It provides galvanic separation and can convert between current and voltage signals, supporting ranges such as 4‑20 mA ↔ 0‑10 V and ±10 V ↔ 0‑10 V.
The manual explains how to mount the unit on a DIN rail, connect wiring, set input/output ranges and attenuation using DIP switches and front‑panel potentiometers, and includes troubleshooting tips and full technical data.
Covers: Introduction · Warnings · Manufacturer Information · Overview · Installation · Configuration (Asettelu)
Latest Nokeval manuals
Nokeval F-2021 Digital Display Series Product Leaflet
Product Leaflet 2 pages · 42 KB · ENThe Nokeval F-2021 series provides large‑field digital displays with 2‑6 digits, 16‑bit ADC, multiple sensor inputs and isolated power options.
Nokeval 641 Signal Converter User Manual
User Manual 12 pages · 610 KB · FIThe Nokeval 641 user manual covers installation, configuration, troubleshooting and technical specifications for the signal converter.
NOKEVAL 620S technology data(1)
This document introduces the 620S 2-wire temperature transmitter, which is designed for Pt100 sensors. It has an input range of -200 to +700°C, high accuracy, linearization, small size, etc.
NOKEVAL 620S technology data
NOKEVAL 201-4/20 technology data
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Nokeval manuals
What power supply options are available for the F‑2021 display?
The unit can be powered from 85‑240 VAC or from a 24 VDC source, and both supplies are galvanically isolated from the inputs and outputs.
How many digits can the display show?
The display can show between 2 and 6 digits, with digit sizes ranging from 57 mm to 180 mm.
What supply voltage does the Nokeval 641 require?
The unit needs a 24 VDC supply with a tolerance of ±10 % and the supply is galvanically isolated from the signal circuits.