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Home » Shop » hot sale » OPTO 22 – SNAP-AIRTD _ SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module

OPTO 22 – SNAP-AIRTD _ SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module

Original price was: $277.60.Current price is: $181.34.

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SKU: SNAP-AIRTD Category:
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OPTO 22 – SNAP-AIRTD _ SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module

OPTO 22 – SNAP-AIRTD _ SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module

Quick Specs:

  • SNAP 2-Ch 100-Ohm Platinum RTD Analog Temperature Input Module

The SNAP-AIRTD provides two channels of analog temperature input. Nominal input temperature range is -200 to +850 degrees C. Input range is 0 to 400 ohms. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.

Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for PC-based control or for use as intelligent remote I/O for an Allen-Bradley Logix PLC system, such as ControlLogix, MicroLogix, or CompactLogix.

The SNAP-AIRTD uses 100 ohm platinum inputs. For other similar modules, see the SNAP-AIRTD-1K (1000 ohm platinum) and the SNAP-AIRTD-10 (10 ohm copper).

Build your system in the SNAP I/O Configurator.

Specifications:

 

SNAP-AIRTD-1K

SNAP-AIRTD

SNAP-AIRTD-10

3-wire RTD input

1000 ohm platinum @ 0 °C α= 0.00385

1000 ohm nickel @ 0 °C
α= 0.00618

1000 ohm nickel @ 70 °F
α= 0.00637

100 ohm platinum; α= 0.00385

100 ohm nickel, -60 to 250 °C

120 ohm nickel, -80 to 260 °C

10 ohm copper; α= 0.00428

Input Temperature Range

-200 °C to 850 °C
(-328° to +1,582° F)

-200 °C to 850 °C
(-328° to +1,582° F)

-180 °C to 260 °C
(-292° to +500° F)

Input Range

0 to 4000 ohms

0 to 400 ohms

0 to 25 ohms

Over-Range Limit

to 4400 ohms

to 440 ohms

to 27.5 ohms

Resolution (average)

0.042 °C (0.16 ohms)

0.042 °C (0.016 ohms)

0.026 °C (0.001 ohms)

Input Filtering

-3 dB @ 0.1 Hz

-3 dB @ 0.1 Hz

-3 dB @ 100 Hz

Data Freshness (Max)

100 ms

100 ms

168 ms

Lead Compensation

Automatic when used with SNAP brains

Automatic when used with SNAP brains

Automatic when used with SNAP PAC brains

DC Common Mode Rejection

>-120 dB

>-120 dB

>-120 dB

AC Common Mode Rejection

>-120 dB at 60 Hz

>-120 dB at 60 Hz

>-120 dB at 60 Hz

Excitation (typical)

0.256 mA constant current

1.25 mA constant current

5.4 mA constant current

Maximum Lead Resistance

40 ohms single wire (all leads to be equal resistance)

40 ohms single wire (all leads to be equal resistance)

15 ohms single wire (all leads to be equal resistance)

Maximum Fault Voltage at Input
(between any 2 field wires)

±15 V

±15 V

±15 V

Maximum Operating Common Mode Voltage

250 V

250 V

250 V

Accuracy
 From factory
 After setting gain and offset

  

0.8 °C
0.6 °C

  

0.8 °C
0.6 °C

  

0.6 °C
0.5 °C

Isolation

1500 V

1500 V

1500 V

Power Requirements

5.00 to 5.20 VDC @ 190 mA

5.00 to 5.20 VDC @ 190 mA

5.00 to 5.20 VDC @ 190 mA

Operating Temperature

-20 °C to 70 °C

-20 °C to 70 °C

-20 °C to 70 °C

Storage Temperature

-40 °C to 85 °C

-40 °C to 85 °C

-40 °C to 85 °C

Humidity

5-95%, non-condensing

5-95%, non-condensing

5-95%, non-condensing

Wire size

22 to 14 AWG

22 to 14 AWG

22 to 14 AWG

Torque, hold-down screws

4 in-lb (0.45 N-m)

4 in-lb (0.45 N-m)

4 in-lb (0.45 N-m)

Torque, connector screws

5.26 in-lb (0.6 N-m)

5.26 in-lb (0.6 N-m)

5.26 in-lb (0.6 N-m)

Agency Approvals

CE, RoHS, DFARS; UKCA

UL, FM, CE, RoHS, DFARS; UKCA

CE, RoHS, DFARS; UKCA

Warranty

Lifetime

Lifetime

Lifetime