- Large 4-digit LED display
- Field re-programmable with optional PC interface module and software
- Software includes a security feature to prevent accidental re-programming
- 4 mA to 20 mA programmable linearized signal output
- Utilizes self-calibration feature for accurate and stable performance
- Optional fully programmable switch output, relay or transistor
- Utilizes PT100 Ω RTD Class A element for temperature sensing
- M12 x 1 (5-pin) plug or 36” integral cable electrical connection
- IP 65 / NEMA 4 rated environmental protection
- All 316 Stainless Steel construction
- Easy installation with various mounting configurations
Note: Thermowells are recommended for pressure, corrosive fluids and high velocity applications.
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| SERIES |
820 |
Bottom connection |
821 |
Back connection |
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| ACCURACY |
1 |
≤0.22% full scale |
2 |
≤0.1% full scale |
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| OUTPUT |
1 |
4 mA to 20 mA |
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| BURNOUTS |
U |
Upscale |
D |
Downscale |
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| PROCESS CONNECTIONS |
0 |
None |
8 |
1/2" NPT Male |
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|
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| 2 |
1/4" NPT Male |
48 |
1/2" NPT Male w/sliding compression fitting * |
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| TEMPERATURE RANGES |
-50/120 |
-50° to 120 °F |
-50/400 |
-50° to 400 °F |
32/200 |
32° to 200 °F |
32/400 |
32° to 400 °F |
| -50/300 |
-50° to 300 °F |
32/120 |
32° to 120 °F |
32/300 |
32° to 300 °F |
|
|
| ELECTRICAL CONNECTIONS |
36 |
Integral cable 36" |
48 |
M12 x 1 (5-pin) |
|
|
| STEM LENGTHS |
025 |
2.5" |
060 |
6" |
120 |
12" |
180 |
18" |
| 040 |
4" |
090 |
9" |
150 |
15" |
240 |
24" |
| STEM DIAMETERS |
2 |
1/4" |
3 |
3/8" |
4 |
1/2" |
6 |
6 mm |
*Add 2" to stem length for this option
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| SPECIFICATIONS |
| Temperature ranges |
Standard ranges from -325 °F to 1,100 °F (-200 °C to 600 °C) Customer rescalable with optional PC interface and software |
| Temperature sensor |
RTD (PT100 DIN EN 60751, Class A) |
| Housing material |
316 Stainless Steel |
| Probe material |
316 Stainless Steel standard |
| Maximum pressure |
500 psig (on probe) |
| Power supply |
9-36 Vdc, polarity protected |
| Supply effect |
0.005%/V |
| Power consumption |
15 mA @ 24 Vdc + output current – 950 mW max.
20 mA @ 24 Vdc for PNP output – 500 mW max.
20 mA @ 24 Vdc + sourcing current for NPN output
50 mA @ 24 Vdc for relay output – 1200 mW max. |
| Current output |
4 mA to 20 mA (3-wire configuration) linear to temperature |
| Max load on current output |
(Vsupply-9V ) / 20 mA, Ω |
| Optional switching output |
Transistor NPN (max 100 mA source ) or
Transistor PNP (max 100 mA sink) or
Relay SPDT 0.5A @ 240 Vac |
| Optional switching logic |
N.C. or N.O. software selectable |
| Optional switching ranges |
Customer programmable between -325 °F to 1,100 °F (-200 °C to 600 °C) |
| Isolation |
500 Vdc input /output (between probe and output signal) |
| Electrical connection |
M12 x 1 (5-pin) or integral cable |
| Hysteresis |
1% of range standard; customer programmable optional |
| Accuracy |
≤0.22% full scale; ≤0.1% full scale optional |
| Open circuit detection |
Upscale (22 mA) or downscale (2.5 mA) current output.
Error message on LED display |
| Warm-up |
30 seconds |
| Response time |
0.5 sec to 30 sec (software selectable) |
| Display |
4-digit LED, decimal point selectable by software |
| Display resolution |
±0.02% F.S. ±1 digit |
| RFI effect |
1% or less typical |
| Temperature ranges |
Ambient -40 °F to 176 °F (-40 °C to 80 °C)
Effect <0.01% FS/ °C
Storage -58 °F to 185 °F (-50 °C to 85 °C) |
| Environmental protection |
NEMA 4/ IP 65 |
Convert to PT Series
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