Series 423X, 425X, 426X
- Diffused silicon sensor for high accuracy
- Explosion proof enclosure for hazardous locations
- Superior EMI, ESD and RFI protection
- Rugged stainless steel construction
- NEMA 4X, 7 and 9
- ATEX/IECEx certification for 425X Series only
- Modular concept
- Built-in high pressure snubber (2000 psi and above)
- cULus, CE approved
Barksdale's 420X Series Explosion Proof Transducers prevent an explosion from occurring when operated in a Division 1 environment. Barksdale's 420X Series transducers prevent personal injury and machinery damage by preventing the explosion the first place. Energy generated within the transducer is of such a low level that intermittently present flammable vapors will not be ignited. External zener barriers are not required in order to meet UL requirements for a non-incendive installation. The lower cost of not having to install zener barriers means that the positive aspects of intrinsically safe and explosion proof are combined in Barksdale non-incendive transducers. Three models are available: Series 423X (0-5V), Series 425X (4-20mA) and Series 426X (0-10V).
Specifications
General Specifications*
| Accuracy (LH & R): | ±0.25% FSO at 75°F (±0.5% for vacuum only [-23]) typical |
| Long Term Stability: | ±0.5% FSO of calibration curve |
| Typical Life Cycle: | 100 million cycles |
| Proof Pressure: | 2 times rated pressure or 13,000 psi max. (884 bar), whichever is less |
| Input: 423X: 426X: 425X: |
Excitation voltage: 11 to 30 VDC Excitation voltage: 14 to 30 VDC Excitation voltage: 12 to 28 VDC |
| Supply Current: | 3.0 mA maximum (no load) |
| Output: 423X: 426X: 425X: |
Output: 0.5 to 5.5 VDC Full scale output: 5.0 VDC ± 1% Zero output: 0.5 VDC ± 2% Output: 1 to 11 VDC Output: 4 to 20 mA |
| Wetted Parts: | 17-4 PH (fitting)** & 300 series stainless steel (sensor) |
| Enclosure: | NEMA 4X, 300 series stainless steel |
| Pressure Connection: | 1/4”-18 NPT male |
| Electrical Connection: | 3 conductor for voltage series and 2 conductor for current series, 24 awg, PVC jacketed, shielded cable, 3 ft. (1 m) long with integral strain relief and case ground (standard). |
| Temperature Ranges: Operating: Compensated: Storage: |
-40° to 185°F (-40° to 85°C) 0° to 160°F (-18° to 71°C) -40° to 185°F (-40° to 85°C) |
| Temperature Shift: Zero & Span: |
0.0125% per °F over compensated range reference |
| Vibration: | 15 g’s, 10-2000 Hz, MIL-STD 202 |
| Shock: | 50 g’s, 11 mS, MIL-STD 202 Method 213, Cond. G. |
| Approvals: All: 425X only: |
cULus approved as telemetering equipment for use in hazardous locations (UL File E146589, WYMV, WYMV7) as follows:
Class I, Div. 1, Groups A, B, C & D ATEX/IECEx Certification: |
| Weight: 423X & 426X: 425X: |
7.4 oz. (221 grams) to 1000 psi 9.9 oz. (281 grams) 2,000 psi and higher 7.4 oz. (210 grams) to 1000 psi |
| Warranty: | 1 year warranty |
| * See product confi gurator for additional options. ** Consult factory for 316SS option. |
|
Wiring Code
| MILLIVOLT SERIES – 423X & 426X | |
|---|---|
| Cable | Signal |
| Red | + Excitation |
| White | + Output |
| Black | Common |
| Bare | Drain |
| MILLIAMP SERIES – 425X | |
| Red | + Excitation |
| Black | – Excitation |
| Bare | Drain |
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