Altek Model 934 Milliamp Voltage Loop Calibrator Manual
Here you can view all the pages of manual Altek Model 934 Milliamp Voltage Loop Calibrator Manual. The Altek manuals for Calibrator are available online for free. You can easily download all the documents as PDF.
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19 OPERATING INSTRUCTIONS POWER & MEASURE 2-WIRE TRANSMITTERS PWR XMTR mA, PWR XMTR %, PWR XMTR ENG. UNIT, PWR XMTR, % DP FLOW Choose this function to simultaneously supply power to a 2-Wire transmitter while displaying the 4-20 mA output of the transmitter. 1) Disconnect one or both input wires from the 2-Wire Transmitter to be calibrated 2) Connect the red SOURCE lead of the calibrator to the plus (+) input of the device and the black SOURCE lead to the minus (-) 3) Connect an appropriate sensor or...
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20 OPERATING INSTRUCTIONS CALIBRATE VOLTAGE INPUTS V, V ENG. UNIT mV, mV ENG. UNIT Choose this function to provide an output from 0.00 mV to 999.90 mV and from 0.000 to 20.000 VDC. Source current is a nominal 25 mA to provide the driving power to your voltage receivers. 1) Disconnect one or both input wires from the device to be calibrated 2) Connect the red SOURCE lead of the calibrator to the plus (+) input of the device and the black SOURCElead to the minus (-) Output voltage is continuously...
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21 OPERATING INSTRUCTIONS CALIBRATING LOOP CONVERTERS & I/I ISOLATORS Calibrate your 4-20 milliamp and voltage loop converters and I/I isolators without any additional test equipment or power supplies. 1) Setup the Model 934 to select both the correct SOURCE and READ functions and ranges to match the instrument being calibrated. 2) Connect the Model 934 SOURCE and READ leads to the input and output connections of the instrument being calibrated Some loop isolators require a resistor placed in series...
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CONTROLLER (TYPICAL) TRANSMITTER 4-20mA ADDITIONAL 4-20 mA OR 1-5V INSTRUMENTSRECORDER COMPUTER LOGGER ETC, 1-5V DC250Ω ALTEK 934 5.000V 22 OPERATING INSTRUCTIONS CHECK 1-5 VOLT INPUTS WITHOUT DISCONNECTING WIRES Most 1-5 Volt receivers in 4-20mA loops have a 250 Ohm resistor across the input of the receiver. This resistor may be mounted internally or externally. The Model 934 is connected directly across the input of the 1-5 Volt receiver without disconnecting any field wiring. This saves a great deal...
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CONTROLLER (TYPICAL) TRANSMITTER 4-20mA ADDITIONAL 4-20 mA OR 1-5V INSTRUMENTSRECORDER COMPUTER LOGGER ETC, 1-5V DC250Ω ALTEK 934 5.000V 22 OPERATING INSTRUCTIONS CHECK 1-5 VOLT INPUTS WITHOUT DISCONNECTING WIRES Most 1-5 Volt receivers in 4-20mA loops have a 250 Ohm resistor across the input of the receiver. This resistor may be mounted internally or externally. The Model 934 is connected directly across the input of the 1-5 Volt receiver without disconnecting any field wiring. This saves a great deal...
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21 OPERATING INSTRUCTIONS CALIBRATING LOOP CONVERTERS & I/I ISOLATORS Calibrate your 4-20 milliamp and voltage loop converters and I/I isolators without any additional test equipment or power supplies. 1) Setup the Model 934 to select both the correct SOURCE and READ functions and ranges to match the instrument being calibrated. 2) Connect the Model 934 SOURCE and READ leads to the input and output connections of the instrument being calibrated Some loop isolators require a resistor placed in series...
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20 OPERATING INSTRUCTIONS CALIBRATE VOLTAGE INPUTS V, V ENG. UNIT mV, mV ENG. UNIT Choose this function to provide an output from 0.00 mV to 999.90 mV and from 0.000 to 20.000 VDC. Source current is a nominal 25 mA to provide the driving power to your voltage receivers. 1) Disconnect one or both input wires from the device to be calibrated 2) Connect the red SOURCE lead of the calibrator to the plus (+) input of the device and the black SOURCElead to the minus (-) Output voltage is continuously...
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19 OPERATING INSTRUCTIONS POWER & MEASURE 2-WIRE TRANSMITTERS PWR XMTR mA, PWR XMTR %, PWR XMTR ENG. UNIT, PWR XMTR, % DP FLOW Choose this function to simultaneously supply power to a 2-Wire transmitter while displaying the 4-20 mA output of the transmitter. 1) Disconnect one or both input wires from the 2-Wire Transmitter to be calibrated 2) Connect the red SOURCE lead of the calibrator to the plus (+) input of the device and the black SOURCE lead to the minus (-) 3) Connect an appropriate sensor or...
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18 OPERATING INSTRUCTIONS SIMULATE 2-WIRE TRANSMITTERS 2-WIRE SIM mA, 2-WIRE SIM %, 2-WIRE SIM ENG. UNIT, 2-WIRE SIM % DP FLOW Choose this function to simulate a 2-Wire Transmitter output from 3.000 to 24.000 milliamps. Operates in loops with power supply voltages from 2 to 45 VDC. 1) Disconnect existing 2-Wire Transmitter from the loop 2) Connect the red SOURCE lead of the calibrator to the plus (+) input of the field connections and the black SOURCE lead to the minus (-) The simulated output of the...
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17 ALTEK 934 20.000mA VA LV E OR RECEIVER I/P OPERATING INSTRUCTIONS SOURCE FUNCTIONS The SOURCE functions generate or control the desired signal. Multiple scales are available for each function. Engineering Units & % DP Flow must be enabled before they are available for selection. CALIBRATE MILLIAMP INPUTS mA, mA %, mA ENG. UNIT, mA % DP FLOW Choose this function to provide an output from 0.000 to 24.000 milliamps. The compliance voltage is a nominal 24 VDC to provide the driving power to your milliamp...