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3820 Series Pressure Transmitter
Brand: Gems Sensors, IncThe 3820 Pressure Transmitter is a compact loop-powered (4-20 mA) transmitter, with a low power 1-5 Vdc option also available. These are the same as our 3800 Series with the addition of an integrated 30 V/120 mA switch.
The switch setpoint is specified at time of order for factory setting, yet may be also field adjusted using the Gems Calibration Kit (that will also adjust the zero and span points of the transmitter).
3820 Series Pressure Transmitters are suitable for hazardous locations and hostile environments, and are ideal for applications where dependable, continuous monitoring is required.
A rugged construction makes cost of ownership low.
Features- Combines Continuous Output with Adjustable Set Point Switch
- FM and ATEX Approvals for Hazardous Locations
- Field Adjustable – 5:1 Turndown
- Compact, 316 Stainless Steel, Hermetically Sealed Enclosure
- Stainless Steel Sensor, No O-Ring
- Dual Seal Approval
- Flush Mount Option Available
Specifications
Brand
Accuracy
- ± 0.25 % of URL - BFSL
- ± 2 % of URL
Ambient Temperature Range
- -40° to 80° C (-40° to 176° F)
Approvals & Certifications
- ATEX: II 2 G Ex d IIC T5 IP66
- CE
- FM (C,US): Class I, II, III, Div. 1, & Div. 2, Group A, B, C, D, E, F, G, T5, NEMA 4X
Burst Pressure
- 10 x FSPR for psi: 0 to 2,500 (kPa: 0 to 17,240, bar: 0 to 172.4)
- 20 x FSPR for psi: 0 to 1,000 (kPa: 0 to 6,895, bar: 0 to 68.95)
- 4 x FSPR for psi: 0 to 10,000 (kPa: 0 to 68,950, bar: 0 to 689.5)
- 40 x FSPR for psi: 0 to 250 (kPa: 0 to 1,724, bar: 0 to 17.24)
- 8 x FSPR for psi: 0 to 5,000 (kPa: 0 to 34,470, bar: 0 to 344.7)
Cable Length
- 6 feet (1.82 m)
Circuit Protection
- EMI/RFI Protected
- Reverse Polarity
Compensated Temperature
- -40° to 80° C (-40° to 176° F)
Conduit Connection
- 1/2" NPT Male
Electrical Connectors
- 18 AWG Shielded Cable
Electrical Contacts
- Normally Open Solid-State Relay
Electrical Rating
- 30 V, 120 mA
Enclosure, Body Material
- 316 Stainless Steel
Environmental Protection
- Explosion-proof
- Flameproof
- IP66
- NEMA 4X
- Non-Incendive
Hysteresis
- ± 0.25 % of URL - BFSL
Linearity
- ± 0.25 % of URL - BFSL
Loop Resistance
- 800 ohms at 24 Vdc
Mounting
- Pipe
Name Plate, Tag Material
- Stainless Steel
NPT Connection
- 1/2" NPT Male
- 1/4" NPT Female
Output
- 1-5 Vdc (27 mW ± 5 mW @ 9 Vdc)
- 4-20 mA
Overpressure & Static Pressure Limits
- Overpressure: 2 x FSPR for psi: 0 to 10,000 (kPa: 0 to 68,950, bar: 0 to 689.5)
- Overpressure: 3 x FSPR for psi: 0 to 100 (kPa: 0 to 689.5, bar: 0 to 6.89)
Pressure Range
- bar: 0 to 690
- kPa: 0 to 69,000
- psi: 0 to 10,000
Process Temperature
- -40° to 90° C (-40° to 194° F)
Repeatability
- ± 0.25 % of URL - BFSL
Response Time
- ≤ 5 ms
Stability
- ≤ ± 0.5 % of URL Per Year
Storage Temperature
- -40° to 90° C (-40° to 194° F)
Supply Voltage
- 8-30 Vdc
Temperature Effect
- ± 2 % of URL/38° C (100° F) at -40° to 80° C (-40° to 176° F)
Termination
- Electrical Termination: 18 AWG Shielded Cable, 6 feet (1.8 m)
Turndown
- 5:1 (Standard) (2:1 for 100 psi)
Wetted Materials
- AISI 630 Stainless Steel, 17-4 PH