Series 644 High Accuracy Pressure Transmitter

High Accuracy Pressure Transmitter
±0.05% FS, <±0.25% FS Total Error Band

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Series 644 High Accuracy Pressure Transmitter

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Description

±0.05% FS, <±0.25% FS Total Error Band

The SERIES 644 Industrial Pressure Transmitter is a robust transmitter designed for high accuracy pressure applications. Boasting an accuracy of ±0.05% FS RSS (<±0.25% TEB), the 644 is intended for precise measurements in the critical applications of calibration technology, hydraulic/pneumatic controls, and many more laboratory and industrial settings. The Series 644 offers multiple measurement options with two output choices (VDC or mA) and ten psig pressure ranges (optional 0 to 15 psia). The robust and compact all stainless steel Series 644 is available with either a 1/4" male NPT, or 7/16"-20 male SAE process connections. Each transmitter is provided with an 11 point NIST traceable calibration certificate.

Product Applications

Calibration equipment
Test benches
Pulp and paper mills
Hydraulic/pneumatic controls
Transportation
Power generation

More Information

Model Chart

EXAMPLE	644	L	V	01	P	Series 644-L-V-00-P Industrial Pressure Transmitter, 3 ft. cable, 0-10 V output, range 0 to -14.7 psig, with 1/4" male NPT connection.
SERIES	644					Industrial Pressure Transmitter
ELECTRICAL CONNECTION		L B				Flying Leads, 3 ft., 6-Conductor Cable Pigtail Male 6-Pin Bayonet
SIGNAL OUTPUT			V C			0-10 Volts 4-20 mA
RANGE				00 01 02 03 04 05 06 07 08 09 10 11		0-(-14.7) psig 0-15 psig 0-25 psig 0-50 psig 0-100 psig 0-150 psig 0-200 psig 0-300 psig 0-500 psig 0-750 psig 0-1000 psig 0-15 psia
PROCESS CONNECTION					P S	1/4" Male NPT 7/16"-20 SAE Male

Specifications

Service: Compatible gases and liquids.
Wetted Materials: 17- 4 PH SS.
Accuracy: ±0.05% FS RSS.
Total Error Band (Includes all thermal effects): <±0.25% FS over entire temperature compensated range.
Stability: <0.15% FS/year.
Temperature Limits: -40 to 185°F (-40 to 85°C).
Pressure Limits: Proof pressure and burst pressure: See pressure limits table below.
Compensated Temperature Range: -4 to 140°F (-20 to 60°C).
Power Requirements: 9 to 30 VDC for current output; 15 to 30 VDC for voltage output.
Minimum Supply Voltage: Min. supply voltage (VDC) for current output = 9 + 0.02 x loop resistance Ω (loop resistance Ω = line resistance + receiver resistance).
Output Signal: 0 to 10 VDC (4-wire); 4 to 20 mA (2-wire).
Response Time: <10 ms (voltage output), <80 ms (current output).
Max Current Consumption: 4 to 20 mA: 22 mA; 0 to 10 VDC: 20 mA.
Electrical Connections: 3 ft cable or 6-pin male bayonet connector.
Process Connection: 1/4" male NPT or 7/16"-20 male SAE with O-Ring.
Enclosure Rating: NEMA 4X (IP65).
Mounting Orientation: Vertical.
Weight: 9 oz (254 g).
Agency Approval: CE.

Features

High accuracy provides exceptional measurement for insuring tight-control and minimizing costly out of specification conditions
Low thermal error over a wide range of temperatures helps to insure accurate pressure measurement and process operation
NIST calibrated to provide traceability for regulated processes where production and documentation is monitored

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