420Pro™ Temperature Transmitter
Programming is made simple with TTEC's 420Pro™ Software Kit.
- Connect leads to 420Pro™ Transmitter & to your PC
- Select Input
RTD: PT100, .00385 or .003916
T/C: J, K, T, E, R, S, B, AE, U
- Input measuring range (example: Low Range= 100 F Upper Range= 1000 F)
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- Select Sensor Failure Detection: Upscale or Downscale
- Easily programmed for T/C's or RTD's
- 4-20 mA output
- Fully Temperature Linear
- Easy to use Windows based Software
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- 11 T/C Types & 2 RTD Types in one unit
- Head Mounted
- Selectable Sensor Fault Mode
- Non Isolated
- 5 Year Limited Warranty
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Software Kit Available for 420Pro™
(Call for details.)
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| Input |
| RTD's |
Pt100 (IEC751, = 0.00385) |
3-Wire Connection |
-200 to +1000 degrees C/-328 to +1832 degrees F |
| Pt100 (JIS1604,= 0.003916) |
3-Wire Connection |
-200 to +1000 degrees C/-328 to +1832 degrees F |
| Sensor current |
|
~0.4 mA |
| Maximum sensor wire resistance |
|
25 ý/wire |
| Thermocouples |
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| Range |
Type: AE,B,E,J,K,L,N,R,S,T,U |
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| Input impedance |
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> 10 Mý |
| Maximum sensor wire resistance |
|
500 ý (total loop) |
| Monitoring |
| Sensor failure monitoring |
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Upscale or downscale |
| Adjustments |
| Zero adjustment |
All inputs |
Any value within range limits |
| Minimum spans |
Pt100 |
10 degrees C/18 degrees F |
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T/C |
2 mV |
| Output |
| Analog |
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4-20 mA, temperature linear |
| Resolution |
|
5  A |
| Minimum output signal |
Measurement/Failure |
3.8 mA/3.5 mA |
| Maximum output signal |
Measurement/Failure |
20.5 mA/21.6 mA |
| Permissible load |
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725 ý @ 24 VDC, 22 mA |
| Temperature |
| Ambient, storage and operation |
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-40 to +85 degrees C/-40 to +185 degrees F |
| General Data |
| Selectable dampening time |
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~2 s |
| Update time |
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~1.5 s |
| Isolation In - Out |
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Non-isolated |
| Humidity (non-condensing) |
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0 to 95% RH |
| Power Supply, polarity protected |
| Supply voltage |
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8 to 36 VDC 2-wire |
| Permissible ripple |
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4 V p-p @ 50/60 Hz |
| Accuracy |
| Typical Accuracy |
RTD |
+0.2% 1) |
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T/C |
+0.3% 1) |
| Cold Junction Compensation |
T/C |
+0.5 degrees C/ +0.9 degrees F |
| Temperature influence 4) |
All inputs |
Max +0.25 C/ 25 C or +0.25%/25 C 1) 3) |
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Max +0.5 F/ 50 F or +0.28%/50 C 1) 3) |
| Temp. influence CJC 4) |
T/C |
+0.5 C/25 C/ +1.0 F/50 F |
| Sensor wire resistance influence |
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Negligible 2) |
| Load influence |
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Negligible |
| Power supply influence |
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Negligible |
| RFI influence, 0.15 to 1000 MHz |
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+0.5% 1) (typical) |
| Long-term stability |
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+0.2% 1)/year |
1) Of input span
2) With equal wire resistance for RTD
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3) If zero-deflection > 100% of input span: add 0.125% of input span/25 C or 0.14% of input span/50 F per 100% zero-deflection
4) Reference temperature 23 C/ 73 F
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THERMOCOUPLE TECHNOLOGY, INC.,
350 New Street, Quakertown, PA 18951
Telephone 215-529-9394 Fax 215-529-9397
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420Pro™ Summary Specifications and Wiring Diagram