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Dwyer Model MC6 Multi-Cal Benchtop Calibrator

Interchangeable Ranges, ± 0.05% Accuracy, Datalogging Capability, NIST Traceable

Model MC6 Multi-Cal Benchtop Calibrator performs a wide variety of simple and complex pressure based measurement, test, and calibration operations. Modular sensor design allows user to select pressure measurement range for application flexibility. Calibrator can accommodate up to two interchangeable pressure modules (sold separately below) in any combination of range or accuracy.

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, test leads, 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. Benchtop calibrator accepts up to two pressure modules. Modules include NIST calibration certification.

See Dimensions


Service: Clean, dry, nonconductive, noncorrosive gases.
Accuracy: Differential Pressure Modules: ±0.06% FS, Gauge 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 msec.
Ambient Operation Temperature: 32 to 120°F (0 to 49°C).
Storage Temperature: -4 to 158°F (-20 to 70°C).
Electrical Connections: Starndard banana jacks.
Power Supply: Internal: two 9 VDC alkaline batteries,External: AC adapter 9 VDC, 500 mA.
Battery Life: 30 hours (approximate).
Engineering Units: inH2O, psi, in Hg, kPa, mbar, bar, cm H2O, mm Hg, ftSW, MPa, mmH2O, kgcm2 and user-defined.
Overpressure: Differential Pressure Modules: 50 psi positive direction, 15 psi negative direction, Gauge 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).
Agency Approvals: CE.


Pressure measurement for 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.

OPTIONS- Consult factory for other pressure ranges and accuracies. FM approved models are also available.

Popular Models:
Model Number Range
MC1000 0.25" H2O Differential Pressure, ±0.07
MC1001 0.50" H2O Differential Pressure, ±0.07
MC1004 5.00" H2O Differential Pressure, ±0.06
MC1006 25" H2O Differential Pressure, ±0.06
MC2010 5.0 psig Guage Pressure, ±0.05
MC2012 15.0 psig Guage Pressure, ±0.05
MC2016 100.0 psig Guage Pressure, ±0.05
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