JOFRA ASC-400Advanced 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

USB interface

External

power supply

& charger

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Double channel

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

mA IN

mA LOOP

VOLTS IN

PRESSURE

SCALING

% ERROR

SWITCH TEST

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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…

Set-up mode + Navigate + Confirm + Exit

Only changeable

parameters relevant to

the settings are

highlighted – virtual

on-line user manual

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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 Direct key Cursor adj.Voltage out

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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 Direct key Cursor adj.mA in

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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 Direct key Cursor adj.TC out

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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 Direct key Cursor adj.RTD out

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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 Frequency out Output levelTrigger 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 frq. Cursor adj.Output level

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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 Switch test %errorLeak rate

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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 Set % values Set % values %Error / Volt

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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 mA scaling Volt scaling Scaling / Volt

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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 Pressure switch CPM switch Temp. switch

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Set-up memories

• 5 “intelligent” memory positions

• Full storage, all settings on bothupper and lower channels are stored

• Memory name input. Name positionsafter own choice, not just numbers.

• Name is removed if settings are changed

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System settings

• AUTO OFFChose shutdown time between 5 to 60 minutes, or permanent on

• HART ResistorASC-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 internationaltraceable 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