(USA and Canada only)
From -50 mV to +50 mV
From -25 mV to +25m V
From -55 to +55 mV
(+/-50 mV range)
From -27.5 to +27.5 mV
(+/-25 mV range)
2 microvolts (-50 mV to +50 mV)
1 microvolt (-25 mV to +25 m V)
-3 dB @ 2.4Hz
Input Response Time
(% of span/delta V/delta time)
63.2%/31.5 mV/66 ms
Data Freshness (Max)
335 ms (+/- 50 mV)
668 ms (+/- 25 mV)
DC Common Mode Rejection
AC Common Mode Rejection
>-120 dB @ 60 Hz
Maximum Survivable Input
Maximum Operating Common Mode Voltage
Accuracy at Full Scale
0.1% (50 microvolts) @ 50m V
0.2% (50 microvolts) @ 25 mV
Drift: Gain Temperature Coefficient
3 microvolts / °C
Drift: Offset Temperature Coefficient
2 microvolts / °C
5 VDC (±0.15 ) @ 170 mA
Input Resistance - Single Ended
100 Megohms (each channel)
-20 °C to 70 °C
-40 °C to 85 °C
22 to 14 AWG
Torque, hold-down screws
Not to exceed 1 in-lb (0.11 N-m)
Torque, connector screws
5.22 in-lb (0.59 N-m)
UL, FM, CE, RoHS, DFARS; UKCA
This document lists and describes all current Opto 22 SNAP PAC System part numbers, including PAC Project software, SNAP PAC controllers, and SNAP I/O modules of all kinds. SNAP PAC mounting racks and SNAP power supplies are also listed.
SNAP I/O analog input modules are part of Opto 22's SNAP PAC System. This document includes descriptions, specifications, and wiring and dimensional diagrams for the following analog input modules:
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with the rules, regulations and standards of the United Kingdom. The models cited have been tested to the essential requirements listed in the Standards section, and fully comply with the legislation as listed in UK Legislation section.
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with European, international, and/or national standards and regulations.
This document is a statement of compliance with the EU Directive 2015/863/EU, Restriction of Hazardous Substances (RoHS 3). This document lists Opto 22 products that comply with the substance restrictions of the RoHS 3 directive.
This document lists all Opto 22 part numbers that have Factory Mutual (FM) approval.
This document lists all Opto 22 part numbers that have the Underwriters Laboratory (UL) approval.
This document is the Manufacturer's Declaration for the listed products as mentioned in the attachment - to which this confirmation refers - that they are in accordance with the mentioned European, international and/or national standards and regulations.
This CAD file includes drawings that apply to most SNAP analog and digital I/O modules.
This overview describes the four integrated components of the SNAP PAC system: software, controllers, brains and I/O. This hardware and software system is designed for industrial control, remote monitoring and data acquisition.
A quick overview on securing a SNAP Module to a SNAP rack.
A quick overview on removing a SNAP module.