The ASC-400 is a user friendly and innovative multifunction calibrator (process calibrator) that provides the functionality and accuracy you expect from a laboratory calibration system, but is compact enough to fit into the tool box and be operated with one hand for easy calibration. Read and source RTD, TC, Current, Voltage, Frequency and Resistance on the large color display with an extremely user friendly interface. Learn more about the ASC-400 multifunction calibrator (process calibrator) on http://www.ametekcalibration.com/US/Products/Signal_calibrators-1.aspx?ProductID=PROD191&m=ecom_catalog

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JOFRA ASC-400
Advanced Signal Calibrator
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What's new?
Everything!

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Advanced simplicity
• Unmatched simplicity for multifunction signal calibrators!
• Single layer “menu free” user interface
• Unique “pick and choose” interface

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A new and better view
• Crisp full color display.
• Setting new standards for signal calibrators!

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Features
• Unique “single layer” user interface
• High accuracy – multi-function process calibrator
• 2 electrical isolated measure/source channels simultaneous signal
source and measurement
• True pressure calibrator with JOFRA APM´s, leak test, switch test,
pressure transmitter supply and measurements
• Robust ABS plastic housing, for field and workshop use
• Ergonomic design

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Design
Ultra bright
colour display
Input terminals
& APM
External
power supply
& charger
USB interface

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Double channel
mA IN
mA LOOP
VOLTS IN
PRESSURE
SCALING
% ERROR
SWITCH TEST
mA IN
mA OUT
mA simulation / sink
VOLTS IN
VOLTS OUT
TC IN CJC ON/OFF
TC OUT CJC ON/OFF
RTD IN 2, 3, 4 wire
RTD OUT
FREQ IN
FREQ OUT
POULSE OUT
PRESSURE / BAROMETER

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User interface 1/2
• Single key entry to setup
• Single layer, no enervating deep menus

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User interface 2/2
• Changeable parameters highlighted on screen
• Easy to change/modify…
Only changeable
parameters relevant to
the settings are
highlighted – virtual
on-line user manual
Set-up mode + Navigate + Confirm + Exit

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Upper channel
• Input (measure)
– DC current 0 to 24 mA (IN)( selectable 24 V supply)
– DC voltage 0 to 30 V (IN)
– SCALED indication on mA & Voltage (IN)
– %ERROR indication on mA & voltage (IN)
– SWITCH TEST (IN pressure and electrical)
– Pressure (With JOFRA APM´s)

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Lower channel
• Input and output (measure/source)
– DC current 0-24 mA (in, out & sink – external supply)
– DC voltage 0 to 20 V (in & out)
– DC mV -10 to 75 mV (in or out, T/C auto or manual CJ)
– Resistance 5 to 4,000 ohm (in or out, RTD simulation)
– Frequency 2 CPM to 10 kHz (in or out, adjustable level)
– Pulse output 1 to 10000 pulses / 2 CPM to 10 kHz / adj. level
– Pressure (With JOFRA APM)
– Build in Barometer (option)

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Voltage capabilities
• Upper channel, measure isolated
• Lower channel, measure & source
• Direct numerical input
• Auto ramp & step (user selectable span & time)
• Cursor key fine adjustment
Voltage in Voltage out Direct key Cursor adj.

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Current capabilities
• Upper channel, measure isolated, switchable 24 V supply
• Lower channel, measure & source
• Lower channel, simulate/sink (external supply)
• % scale (0 to 20 or 4 to 20 mA) display
• Direct numerical input
• Auto ramp & step (user selectable span & time)
• Cursor key fine adjustment
mA in mA in Direct key Cursor adj.

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mV & TC capabilities
• Lower channel, measure & source
• 11 different TC types, Automatic or manual cold junction
• Industry standard mini compensation connector
• Direct numerical input, mV / °C / °F
• Auto ramp & step (user selectable span & time)
• Cursor key fine adjustment
TC in TC out Direct key Cursor adj.

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Ohms & RTD capabilities
• Lower channel, measure & source
• “True ohm” eliminates thermo voltages in the measure circuit
• 13 different RTD types, 2, 3 or 4 wire measurement
• Custom definable RTD, reference thermometer function
• Direct numerical input, ohms / °C / °K / °F / °R
• Auto ramp & step (user selectable span)
• Cursor key fine adjustment
RTD in RTD out Direct key Cursor adj.

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Frequency capabilities
• Lower channel, measure & source
• Direct numerical input, CPM, Hz, kHz
• Adjustable output level, 1 to 20 Vpp
• Adjustable trigger level, 0.1 to 10.0 Volt
• Auto ramp & step (user selectable span)
• Cursor key fine adjustment
Frequency in Trigger level Frequency out Output level

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Pulse capabilities
• Lower channel, source only
• Direct numerical input, 1 to 10000 pulses
• Adjustable output level, 1 to 20 Vpp
• Direct numerical frequency input, CPM, Hz, kHz
• Cursor key fine adjustment
Pulse out Output level Output frq. Cursor adj.

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Pressure capabilities
• Upper & lower channel measure
• On-line leak rate indicator, leak displayed in units/minute
• Pressure switch test, with open/close and dead band
• Multiple pressure units, even 2 different at the same time
• Build in barometer, makes absolute measurements with
any gauge JOFRA APM, a better way to do absolute…
Pressure in Leak rate Switch test %error

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%Error capabilities
• Upper channel, mA & voltage measure isolated
• Real-time FS %error calculation
• Direct numerical input for 0 & 100 % span values
• mA or voltage value displayed together with %error value
• 0% and 100% value storage
• %error data storage
%Error / mA %Error / Volt Set % values Set % values

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Scaling capabilities
• Upper channel, mA or voltage measure isolated
• Real-time scaling
• Direct numerical input for 0 & 100 % span values
• mA / voltage value displayed together with scaled value
• Scaling data storage
Scaling / mA Scaling / Volt mA scaling Volt scaling

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Switch test capabilities
• ASC-400 will perform switch test on any output or measurement
parameter, except pulse train.
• The following types of switches can be tested:
- Pressure switches
- Temperature switches
- RTD (resistive) input temperature switches
- TC (mV) input switches
- Voltage switches
- mA switches
- Frequency / CPM switches
RTD switch Temp. switch Pressure switch CPM switch

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Set-up memories
• 5 “intelligent” memory positions
• Full storage, all settings on both
upper and lower channels are stored
• Memory name input. Name positions
after own choice, not just numbers.
• Name is removed if settings are changed

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System settings
• AUTO OFF
Chose shutdown time between
5 to 60 minutes, or permanent on
• HART Resistor
ASC-400 have build-in 250 resistor to
prevent communication problems on live
HART systems, while calibrating mA
• Set date and time for real time clock
• Input CvD values for temperature
sensor, for costom / reference RTD
• Set user defined pressure unit

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Calibration certificate
• JOFRA ASC-400 calibrators
are supplied with international
traceable calibration certificates
• Certificate that meet the
requirements in ISO 9000,
Chapter 4, paragraph 11.2b
• This saves calibration costs
and time for the customer

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• JOFRA ASC-400
• 2 set of test cables
(2 x red & 2 x black w/test clips)
• Wrist strap
• Soft case, for ASC-400
• Reference manual (English) on USB stick
(with calibration examples and applications)
• Int. Traceable Calibration certificate (NIST)
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What´s in the box