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ASM Series Process Multi-Scanner

Brand: JOFRA Calibration

We offer a signal multi-scanner which provides a time-saving, automatic solution to calibrate multiple temperature or pressure sensors simultaneously.

The scanner may be combined with our dry-block or liquid temperature calibrators, DTI temperature indicators, pressure calibrators, and ASC multifunction process calibrator.

Use any place where temperature and/or pressure measurement is critical and there is a need to create traceable documents for sensor calibration.

The Advanced Process Multi-Scanner offers unique time-saving and automation solutions to calibrate multiple pressure or temperature sensors simultaneously.

Each ASM contains an eight channel scanner controlled by Jofracal software on a PC. It can handle signals from 2-, 3-, and 4- wire RTDs, TCs, transmitters, thermistors, and temperature and voltage switches.

Up to 3 ASM units can be stacked to calibrate up to 24 sensors at the same time.

The ASM may be combined with any JofraCal compatible pressure calibrator, dry-block or liquid calibrators, DTI reference thermometers, and ASC multi-function process calibrators.

Use any place where temperature measurement is critical and there is a need to create traceable documents for sensor calibration.
Features
  • Automatic procedures reduce human error
  • Dedicate one input channel to a reference sensor with accuracy to 0.026°C
  • Uses True Ohm technology to eliminate EMF from cables, sockets, and sensors
  • A models use a separate measuring unit as the standard, and B models have built-in measurement capabilities
  • Combined with JofraCal or JofraLog you can:
    • Set-up, execute, print, and save traceable calibration data
    • Calibrate up to 24 sensors using a dry-block calibrator as the reference
    • Calibrate using a high accuracy temperature reference probe directly with the ASM
    • Data-log up to 24 sensors simultaneously
    • Inputs for Thermocouple Calibration

Specifications

Power Supply

  • External AC/DC Adapter

Input

  • 90-254 V, 45-65 Hz

Output

  • 30 V ± 2 % Regulated DC, Max. 30 W

Scanning Rate

  • Maximum 5 Channels per second

Weight & Instrument Size

  • Weight: 2.3 kg/5.07 lb
  • (LxWxH): 250 x 249 x 69 mm / 9.8 x 9.8 x 2.7 in

Shipping (with Carrying Case)

  • Weight: 6.3 kg/13.9 lb
  • (LxWxH): 350 x 560x180 mm / 13.8 x 22.1 x 7.1 in

Shipping (without Carrying Case)

  • Weight: 4.4 kg/9.7 lb
  • (LxWxH): 350 x 560x180 mm / 13.8 x 22.1 x 7.1 in

Miscellaneous

  • Serial Data Interface: RS-232
  • Specification Temperature: 20 to 26° C (68 to 79° F)
  • Operating (Ambient) Temperature: 0 to 40° C (32 to 104° F)
  • Storage (Ambient) Temperature: -20 to 50° C (-4 to 122° F)
  • Humidity: 0 to 90 % Relative Humidity @ 30° C
  • CE Conformity: EN 61326

Transmitter Supply

  • Output Voltage: 24 Vdc +10 %
  • Output Current: Max. 28 mA
  • 8 individual current sources. Permanent on, no switching

Accuracy Automatic Cold Junction Compensation

  • ASM-801/802 - ± 0.20° C (± 0.36° F): 20 to 26° C (68 to 79° F) @ Ambient Temperature
  • ASM-803 - ± 0.50° C (± 0.90° F): 20 to 26° C (68 to 79° F) @ Ambient Temperature
  • Temperature Drift Outside 20 to 26° C. 0.05° C/°C 0.05° F/°F)

Input Specifications - A Models

  • A-Models When Used with Other Equipment - Accuracies from the connected instruments has to be added
  • RTD 4-Wire: 2.5 ppm reading (0-400 ohm), 15 ppm reading (400-4000 ohm)
  • RTD 3-Wire: 2.5 ppm reading + 50 mohm (0-400 ohm), 15 ppm reading + 50 mohm (400-4000 ohm)
  • mA: 1 ppm reading (0-24 mA)
  • MV, V: 2uV

Transmitter Input mA (B Model)

  • Range: 0 to 24 mA
  • Accuracy (12 months): ± 0.01 % Reading. +0.01 % Full Scale

Voltage Input VDC (B Model)

  • Range: 0 to 12 Vdc
  • Accuracy (12 months): ± 0.005 % Reading. +0.01 % Full Scale

Switch Input

  • Switch Dry Contacts
  • Test Voltage: Max. 2.5 Vdc
  • Test Current: Max. 0.8 mA

RTD Input Specifications

  • Signal Type: 2-, 3-, 4-Wire true ohm RTD input
  • Signal Range: 0-400 Ω (PT10/PT50/PT100)
  • Accuracy (12 months): ± 0.002 % Reading. +0.002 % Full Scale
  • Signal Range: 0-4000 Ω (PT200/PT500/PT1000)
  • Accuracy (12 months): ± 0.002 % Reading. +0.005 % Full Scale
  • For 3-Wire input add 50 mΩ assuming all three RTD leads are matched. For 2-Wire add 100 mΩ

Thermocouple Specifications

  • Signal Range: -10 mV - 78 mV
  • Accuracy: ± (0.005 % of Reading. + 0.005 % of Full Scale)
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