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