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Home > Hazardous Location Pressure Transmitters > 621 & 622 Series Explosion-Proof Pressure Transmitters > Product Specifications
621 & 622 Series Explosion-Proof Pressure Transmitters
Product Specifications
| SPECIFICATIONS | |
| Output Signals | 4 mA to 20 mA, 2-wire; 1 Vdc to 5 Vdc, 3-wire; .5 Vdc to 4.5 Vdc, 3-wire |
| Accurary | ± 0.25 % Full scale (Best Fit Straight Line), ± 0.5% Terminal Point, including the effects of linearity, hysteresis and repeatabilily |
| Hysteresis | ≤ ± 0.1% Full scale |
| Repeatability | ≤ ± 0.05% Full scale |
| Stability | ≤ ± 0.2% Full scale for 1 year, non-accumulating |
| Pressure Ranges | Standard ranges from vacuum to 15000 psi |
| Proof Pressure | 3 times Full scale for ranges 0 psi to 15 psi through 0 psi to 200 psi 1.75 times Full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi 1.5 times Full scale for 0 psi to 15,000 psi range |
| Burst Pressure | 3.8 times Full scale for ranges 0 psi to 15 psi through 0 psi to 200 psi 4 times Full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi 3 times Full scale for 0 psi to 15,000 psi range |
| Power Supply | 10 Vdc to 30 Vdc unregulaled, for 4 mA to 20 mA output, 6 Vdc to 30 Vdc for 1 Vdc to 5 Vdc low power and 0.5 Vdc to 4.5 Vdc low power (≤ 2 mA for Power Supply ≤ 12 Vdc) output, unregulated |
| Load Limitations | ≤ (VPower - 10)/0.020 Amp for 4 mA to 20 mA ≥ 10,000 Ω for 1 Vdc to 5 Vdc, 3-wire |
| Zero/Span Offset | ≤ 0.5% Full scale |
| Response Time | ≤ 1 ms (between 10% and 90% Full scale) |
| Durability | > 100,000,000 Full scale cycles |
| Temperature Ranges | Compensated 32°F to 176°F (0°C to 80°C) Zero effect is ± 0.011 % Full scale/°F Span effect is ± 0.011 % Full scale/°F Ambient -22°F to 212°F (-30°C to 100°C) Media -25°F to 212°F (-32°C to 100°C) Storage -40°F to 212°F (-40°C to 100°C) |
| Wetted Materials | Model 621 is 316 stainless steel for ranges up through 0 psi to 300 psi, 316 stainless steel with Elgiloy ranges 0 psig to 500 psig and higher; Model 622 is 316 stainless steel with BUNA N O-ring; (Viton® O-ring optional) |
| Housing Material | 316 Stainless steel |
| Environmental Rating | NEMA 4x (IP67) |
| Electromagnetic Rating | RFI, EMI and ESD protection |
| Electrical Rating | Reverse polarity, over-voltage and short circuit protected |
| Shock | 1000 g's according to IEC 770 for mechanical shock |
| Vibration | 20 g's according to IEC 770 under resonance conditions |
| Hazardous Approvals | Factory mutual and CSA approved Explosion-proof with entity approve for: Class I, Division 1, Groups A, B, C and D Dust Ignition-proof with entity approval for class II/III, Division 1, Groups E, F and G Maximum electrical ratings 30V, 20 mA ANSI/lSA-12.27.01-2003, Approved single seal |
| Weight | Approximately 12 oz. |