DWYER MC6 multi-cal benchtop calibrator

Description of DWYER MC6

Simultaneously display two separate measurements on the two line, alphanumeric display. Readings can be displayed in a choice of twelve preprogrammed engineering units or any single user-defined unit. Calibrator features min/max recall, hi/lo alarm, percentage of full scale pressure readings, mA/voltage measurement, leak rate and pressure decay measurement, switch testing capabilities, including trip point and dead band, and velocity/volume flow rates.

Quickly document calibration procedures using the data logging feature which stores up to 384 sets of pressure and time/date stamped measurements. The automatic % error calculation simplifies transmitter calibration. Easily upload stored data to an IBM compatible computer via the RS232 two-way communications port. Calibrators and modules include certification to NIST traceability–ideal as a secondary standard for calibrating pressure equipment.

Multi-Cal Pressure Calibrator includes utility software, protection module, adjustment handle, AC adapter, and instruction manual.

Multi-Cal Pressure Modules are interchangeable and available in a wide selection of pressure ranges and accuracies (contact customer service for additional ranges). Benchtop calibrator accepts up to two pressure modules. Modules include NIST calibration certification.

PRODUCT APPLICATIONS

• Clean Room Control
• Filter Performance Monitoring
• HVAC Testing and Setup
• Draft Measurement
• Airflow Measurement Control
• Differential Pressure Measurement in Laminar Flowhoods
• Paint Booths
• Industrial Ovens and Fume Hoods
• Use as a Secondary Standard for Calibrating Pressure Equipment

Technical specifications of DWYER MC6

• Service: Clean, dry, nonconductive, noncorrosive gases.
• Accuracy: Differential Pressure Modules: ±0.06% FS, Gage Pressure Modules: ±0.05% FS, Voltage Input: ±0.025% FS @ 1/10 VDC, ±0.10% FS @ 0/30 VDC, Current Input: ±0.03% FS @ 1/20 mA, ±0.05% FS @ 0/50 mA.
• Sensitivity: ±0.002% of span with dampening 1 part in 50,000 (max.).
• Repeatability: Ranges ≤0/2 psi: ±0.05% of span, Ranges ≥0/5 psid: ±0.02% of span.
• Output: RS232 serial interface, 9-pin.
• Alarm Output: SPST form C 110 VDC, 120 VDC (max.), 1 A (mas.), 30 W, 62.5 VA (resistive).
• Display: Alphanumeric LCD, 0.37″ (9.5 mm) height per line, 2 lines, 16 characters/line.
• Display Update: 100 ms.
• Ambient Operation Temperature: 32 to 120°F (0 to 49°C).
• Storage Temperature: -4 to 158°F (-20 to 70°C).
• Process Connection: 1/8″ female NPT.
• Electrical Connections: Standard banana jacks.
• Power Supply: 110 VAC/60 Hz adapter, 500 mA.
• Memory Backup Requirements: VL1220 or BR1225 Lithium Metal battery, installed functional, user replaceable.
• Engineering Units: In H2O, psi, in Hg, kPa, mbar, bar, cm H2O, mm Hg, ft SW, MPa, mm H2O, kg cm² and user-defined.
• Overpressure: Differential Pressure Modules: 50 psi positive direction, 15 psi negative direction, Gage Pressure Modules: 2x range (0/5 psi to 0/1000 psi).
• Temperature Compensation: 20 to 120°F (-7 to 49°C).
• Temperature Error: Maximum of ±0.004% of span per °F over compensated range for zero and span.
• Temperature Effect Electrical Measurement: ±0.001% of span per °F over compensated range.
• Dampening: (Measurement averaging) programmable from 0 to 16 consecutive readings.
• Baud Rate: 300, 1200, 2400, or 9600, selectable.
• Computer Requirements: IBM compatible 386 or above and Windows® 3.1 or later with 2MB RAM and 2MB hard drive disk space, one serial port.
• Housing Material: ABS plastic.
• Weight:Calibrator: 3 lb (1.4 kg); Pressure Module: 0.5 lb (0.3 kg).

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