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Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is a portable bench multimeter suitable for measuring DC voltage, DC current, TRMS AC voltage, TRMS AC current, resistance (2-wire and 4-wire), frequency, capacitance and temperature. It also includes continuity and diode tests and an array of smart/ maths functions, as well as data logging capabilities. The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter has a high accuracy and resolution: 0.02%, 1µV, 1mW, 100nA, 0.01Hz, 10pF.
Bus Interfaces
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter differs from its sister product, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter, in that it includes RS-232, GPIB and LAN (Ethernet) interfaces in addition to a USB interface.
The LAN interface is LXI compliant; this interface along with the RS-232 and GPIB interfaces require AC line power in order to function. The USB interface is powered by the controlling device which means the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can be powered by batteries without the USB interface causing additional power drain.
Rechargeable Batteries
To enable testing in remote locations without AC line power, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can be powered by rechargeable batteries for up to thirty-five hours. The batteries are charged by the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s internal power supply.
Dual Display and Dual Measurement
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter features dual-measurement functionality and is equipped with a dual 5 ½-digit display that can be configured to show any of the following measurement and parameter combinations:
- The measurement and selected range
- The measurement in two different units
- The result of the calculated function: value and % deviation
- Measurements for two separate parameters of a single signal
- Measurements for the same parameter for two different signals
Automatic and Manual Ranging
Fast-responding automatic ranging ensures that all measurement parameters are displayed to the best possible resolution. As mentioned above, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s display can be configured to show the measurement and the selected range; this provides greater clarity.
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter also supports manual ranging.
Wide True RMS AC Measurements
True-RMS AC measurement capabilities ensure that the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is able to provide accurate AC current and voltage readings regardless of the waveform’s shape.
Furthermore, a wide bandwidth attenuator provides high accuracy within the audio band, as well as an extended response that prevents errors when measuring switching waveforms.
Additionally, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter includes an option for determining the TRMS value of AC plus DC components, as well as standard AC coupled measurements.
Frequency & Capacitance
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter includes five capacitance ranges up to 120µF.
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is also able to provide high accuracy (better than 0.01%) frequency measurements between 10Hz and 120kHz. The utilisation of a reciprocal counting technique ensures that frequency updates are quick and provides a resolution of up to 0.01Hz.
Temperature Measurement
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter includes linearised measurement for PT100 and PT1000 platinum resistance temperature detectors (RTDs) and supports 2-wire and 4-wire connections. Temperature measurements can be displayed in °C or °F.
Automatic Data Logging
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can store up to five-hundred measurements which can be recalled to the display or downloaded via a remote interface.
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can be programmed to log measurements at a rate ranging from one reading per second up to one reading per three hours. Alternatively, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can be configured to log measurements when triggered by an opto-isolated external trigger input or via a digital interface. It includes an external trigger connector on the rear panel to enable external triggering of the Measurement Hold or Measurement Log function. An opto-isolated open collector output is also available for synchronisation with the measurement update.
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter also includes an option for manual data logging.
Smart Functions
In addition to the aforementioned measurement and data logging capabilities, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter includes the following smart/ maths functions.
Linear Scaling with Offset
This function is particularly useful when testing 4-20mA current loops. It scales the electrical output of a transducer to provide a direct readout of a physical parameter such as temperature or weight. The Linear Scaling with Offset function multiplies the reading by a scale factor (A) and either adds or subtracts an offset (B).
dB Measurement
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can display AC voltages in dB as well as volts.
Furthermore, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s integrated zero reference scaling means that AC voltages can be displayed in dBm relative to an impedance value between 50W and 8kW. The voltage is displayed simultaneously on the secondary display.
Limits Comparison
The reading is compared to the user-programmed upper and lower limits and a HI, LO or PASS result is indicated alongside the measurement.
Percentage Deviation (%)
The reading is compared to a user-set nominal value and the percentage by which it deviates from this value is displayed. The Percentage Deviation function can be used to measure tolerance and stability.
Min-Max Storage
The Min-Max Storage function records the highest and lowest values measured over the testing period. This function can be used to record peak temperatures and check for power supply glitches.
Power Measurement in Watts or VA
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter can measure power in dBs, Watts or VA.
The VA function displays the product of voltage and current by utilising the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s dual measurement capability.
The Watts function calculates V2/R for load resistances between 1W and 10kW. It is particularly useful for audio measurements.
Graphical Interface for PC
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is supplied with Aim-TTi’s 1908-PC Link Software. This Windows-based software can be used to operate the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter remotely via a PC.
The graphical interface displayed on the user’s PC is similar to the menu system on the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter; this allows the user to set measurement ranges, select measurement functions for the main and secondary displays, and log data quickly and easily. The Aim-TTi 1908-PC Link Software can also be used to download data saved to the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s memory.
Data can be viewed in a table or in an analogue bar graph with minimum and maximum reading markers. It can also be exported to a CSV file.
IVI Driver
Additionally, the Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter includes an IVI driver for Windows that provides support for LabView, LabWindows and Keysight VEE.
Safety and Calibration
Kensington Security Slot
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter’s rear panel includes a Kensington security slot allowing it to be secured using a Kensington cable system.
Comprehensive Safety Protection
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is compliant with EN61010-1 2010 and EN61010-2-030 2010 up to 300V (CAT III), 600V (CAT II) or 1000V DC/ 750V AC (for circuits isolated from AC line). It is also protected against accidental overloads on all ranges including 10A.
Closed-Case Calibration
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter stores calibration constants in its protected memory which enables closed-case calibration.
The Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter is a portable, high-performing and comprehensive bench DMM.
Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter Key Features
- A portable bench digital multimeter
- DC voltage
- DC current
- TRMS AC voltage
- TRMS AC current
- Resistance (2-wire and 4-wire)
- Frequency
- Capacitance
- Temperature
- Continuity test
- Diode test
- Smart/ maths function
- Data logging capabilities
- High accuracy and resolution: 0.02%, 1µV, 1mW, 100nA, 0.01Hz, 10pF
- Bus interfaces: RS-232, GPIB, LAN and USB
- LAN interface is LXI compliant
- LAN, RS-232 and GPIB interfaces must be powered by an AC line
- USB interface is powered by the controlling device which means the DMM can be powered by batteries without additional power drain
- Can be powered by an AC line or rechargeable batteries
- Rechargeable batteries provide up to thirty-five hours of power
- The batteries can be charged by an internal power supply
- Dual measurement functionality
- Dual 5 ½-digit display
- The dual display can be configured to show a variety of measurement and parameter combinations
- Fast-responding automatic ranging ensures that all measurement parameters are displayed to the best possible resolution
- Supports manual ranging
- True-RMS AC voltage and current measurements provide accurate readings regardless of the waveform’s shape
- Includes an option for determining the TRMS value of AC plus DC components
- Five capacitance ranges up to 120µF
- High accuracy (better than 0.01%) frequency measurements between 10Hz and 120kHz
- Reciprocal counting technique provides quick frequency updates and a resolution up to 0.01Hz
- Linearised measurements for PT100 and PT1000 platinum resistance temperature detectors (RTDs)
- Supports 2-wire and 4-wire connections
- Temperature measurements can be displayed in °C or °F
- Store up to 500 measurements
- View measurements on the display or download them via a remote interface
- Log readings at a rate ranging from one reading per second to one reading per three hours
- Data logging can be triggered by an opto-isolated external trigger input or via an external digital interface
- External trigger connector on the rear panel
- An opto-isolated open collector output is available
- Supports manual logging
- Linear Scaling with Offset function
- dB Measurement function
- Limits Comparison function
- Percentage Deviation (%) function
- Min-Max Storage function
- Measure power in dBs, Watts or VA (Watts and VA functions)
- Supplied with Aim-TTi’s 1908-PC Link Software which enables remote control of the multimeter via a graphical interface on the user’s PC
- Set measurement functions, parameters and view, log and export data using the Aim-TTi 1908-PC Link Software
- IVI driver for Windows supports LabView, LabWindows, and Keysight VEE
- Kensington security slot
- Compliant with EN61010-1 2010 and EN61010-2-030 2010 up to 300V (CAT III), 600V (CAT II) or 1000V DC/ 750V AC (for circuits isolated from AC line)
- Closed-case calibration
- Portable, high-performing and comprehensive bench DMM
What’s Included?
- Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter
- Aim-TTi 1908-PC Link Software
Aim-TTi 1908P 5.5-Digit Dual Measurement Digital Multimeter Technical Specifications
| Measurement Parameters & Accuracy | |||||
| Note | Accuracies apply for 1 year 19°C to 25°C. Temperature coefficient outside these limits is <0.1 x quoted range accuracy per °C. |
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| Scale Length | The scale length is 120,000 counts (unless otherwise stated) giving a maximum measured value for each range of 119999. Thus for the 100V range the maximum measured value is 119.999 volts Accuracies are quoted in terms of a percentage of the measured value plus a number of least significant digits. |
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| Reading Rate | Varies with measurement parameter. Selectable as 4 readings/second or 20 readings/second for most parameters. |
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| DCVoltage | |||||
| Range | Accuracy | Resolution | |||
| 100mV | 0.02% ± 3 digits* | 1µV | |||
| 1000mV | 0.02% ± 3 digits | 10µV | |||
| 10V | 0.02% ± 3 digits | 100µV | |||
| 100V | 0.02% ± 3 digits | 1mV | |||
| 1000V | 0.02% ± 3 digits | 10mV | |||
| Note | * after null | ||||
| Typical Input Impedance | 10MW//<1000pF, except for Vdc plus Vac measurement when the 1MΩ AC attenuator is in parallel with the 10MΩ DC attenuator. | ||||
| Maximum Input | 1kV DC or AC peak, any range | ||||
| NMR | >60dB at 50/60Hz. | ||||
| CMR | 1kW unbalanced CMR is >90dB at DC/50Hz/60Hz | ||||
| Recommended max.peak AC + DC voltage while measuring DC voltage | |||||
| Range | 100mV | 1000mV | 10V | 100V | 1000V |
| Max. AC | 1.8V | 1.8V | 18V | 180V | 1000V |
| Note | The table shows the maximum peak AC (45Hz-50Hz) plus DC voltage that can be applied without affecting the accuracy of the DC measurement due to overload clamping. These values only apply when the DC component does not exceed the range maximum and the analogue 50/60Hz rejection filter is enabled. |
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| AC Voltage (True RMS) | |||||
| Range | Accuracy | Resolution | |||
| 45Hz - 10kHz | 10kHz - 30kHz | 30kHz - 50kHz | |||
| 100mV | 0.2% ± 150 dig | 1.5% ± 200 dig | - | 1µV | |
| 1000mV | 0.2% ± 100 dig | 0.5% ± 100 dig. | 2% ± 200 dig | 10µV | |
| 10V | 0.2% ± 100 dig. | 0.5% ± 100 dig | 2% ± 200 dig. | 100µV | |
| 100V | 0.2% ± 100 dig | 0.5% ± 100 dig | 2% ± 200 dig | 1mV | |
| 750V | 0.2% ± 100 dig | 0.5% ± 100 dig. | 2% ± 200 dig | 10mV | |
| Note | Accuracy specifications apply for readings between 10,000 and 120,000 counts. | ||||
| Maximum crest factor | 3 at nominal range maximum. | ||||
| Input Impedance | 1MW//<1000pF | ||||
| Maximum Input | 750V rms, 1000V peak; any range | ||||
| CMR | 1kW Unbalanced CMR is >60dB at DC/50Hz/60Hz | ||||
| AC + DC Voltage | Total measurement error will not exceed the sum of the separate AC and DC accuracy specifications plus 10 digits. |
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| Resistance | 2-wire or 4-wire measurement | ||||
| Range | Accuracy | Resolution | |||
| 100Ω | 0.05% ± 8 digits | 1mΩ | |||
| 1000Ω | 0.05% ± 5 digits | 10mΩ | |||
| 10kΩ | 0.05% ± 5 digits | 100mΩ | |||
| 100kΩ | 0.05% ± 5 digits | 1Ω | |||
| 1000kΩ | 0.3% ± 2 digits | 10Ω | |||
| 10MΩ | 0.3% ± 2 digits | 100Ω | |||
| Maximum Input | 1000V DC or AC rms, any range. | ||||
| Max. O/C Voltage | 3.5V | ||||
| DC Current | |||||
| Range | Accuracy | Resolution | |||
| 10mA | 0.05% ± 5 digits | 100nA | |||
| 100mA | 0.05% ± 5 digits | 1µA | |||
| 1000mA | 0.2% ± 5 digits | 10µA | |||
| 10A (<5A) | 0.2% ± 5 digits | 100µA | |||
| 10A (>5A) | 0.5% ± 10 digits | 100µA | |||
| Maximum Input | mA ranges - 1.6A DC or AC rms, 1000V, fuse protected. | ||||
| 10A range - 10A DC or AC rms, 1000V, fuse protected | |||||
| Voltage Burden | 10mA range - <100mV; 100mA, 1A, 10A ranges - <600mV | ||||
| AC Current (True RMS) | |||||
| Range | Accuracy (45Hz to 10kHz) | Resolution | |||
| 10mA | 0.35% ± 20 digits | 100nA | |||
| 100mA | 0.35% ± 20 digits | 1µA | |||
| 1000mA | 0.5% ± 20 digits | 10µA | |||
| 10A (<5A) | 0.5% ± 20 digits | 100µA | |||
| 10A (>5A) | 1% ± 20 digits | 100µA | |||
| Notes | Accuracy specifications apply for readings between 10,000 and 120,000 counts. | ||||
| Maximum crest factor | = 3 is typically 0.5% | ||||
| Maximum Input | mA ranges - 1.6A DC or AC rms, 1000V, fuse protected. | ||||
| 10A range - 10A DC or AC rms, 1000V, fuse protected. | |||||
| Voltage Burden | 10mA range - <100mV; 100mA, 1A, 10A ranges - <600mV | ||||
| AC + DC Current | Total measurement error will not exceed the sum of the separate AC and DC accuracy specifications plus 10 digits. |
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| Frequency | |||||
| Range | Accuracy | Resolution | |||
| 100Hz | 0.01% ± 1 digit | 0.01Hz | |||
| 1000Hz | 0.01% ± 1 digit | 0.1Hz | |||
| 10kHz | 0.01% ± 1 digit | 1Hz | |||
| 100kHz | 0.01% ± 1 digit | 10Hz | |||
| Scale Length | 12,000 counts | ||||
| Frequency Range | 10Hz to >100kHz | ||||
| Input sensitivity | Better than 30mVrms (100mV range); better than 10% of range for all other Vac and Iac ranges. |
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| Capacitance | |||||
| Range | Accuracy | Resolution | |||
| 10nF | 2% ± 5 digits | 10pF | |||
| 100nF | 2% ± 5 digits | 100pF | |||
| 1µF | 2% ± 5 digits | 1nF | |||
| 10µF | 2% ± 5 digits | 10nF | |||
| 100µF | 5% ± 5 digits | 100nF | |||
| Scale Length | 1200 counts | ||||
| Temperature | |||||
| Notes | Linearised measurement for PT100 or PT1000 RTD probes, 2-wire or 4-wire measurement, display in °C or °F. |
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| N. B. Accuracy specifications apply to multimeter only, they do not account for additional probe accuracy errors. |
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| RTD | Range | Accuracy | Resolution | ||
| PT100 | -50 to 400°C | 0.05% ± 0.5°C | 0.1°C | ||
| PT1000 | -50 to 400°C | 0.05% ± 0.5°C | 0.1°C | ||
| Continuity and Diode Test | |||||
| Continuity | 100W range selected; audible tone sounds for impedance <10W. | ||||
| Diode Test | Test current approximately 1mA; displays voltages up to 1.2V. | ||||
| Max. O/C Voltage | 3.5V | ||||
| Maximum Input | 1000V DC or AC rms, any range. | ||||
| External Remote Trigger (TTL/ CMOS) | |||||
| Connection | Terminal block on rear panel | ||||
| Input | Input to the LED of an opto-isolator through 1kW resistor. Apply >+3V to trigger remote input. Max. Voltage 10V. |
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| Output | Opto-isolated open collector output, conducts for 250ms on completion of input trigger. Max. off-state Voltage: 10V. On state sink current 2mA (typical). |
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| Display | |||||
| Display Type | High contrast backlit transflective LCD. Main display 5½ digits 17mm high, Secondary display 6 digits 10mm high |
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| Scale Length | 120,000 counts for most measurement parameters | ||||
| Annunciators | LCD annunciators for all ranges, functions and program modes | ||||
| Overrange | Displays OFL if input too large for range | ||||
| Overflow | Displays -Or- if calculated result overflows display. | ||||
| Computing Functions | |||||
| Null (Relative) Ω Null |
Stores current reading and subtracts it from future readings. Additional non-volatile function for nulling test lead resistance. |
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| Hold | Reading is frozen | ||||
| T-Hold | (Touch & Hold) Reading is frozen when stable | ||||
| dB | Displays measurement in dBm relative to 600W or other user-entered impedance | ||||
| AC plus DC | The RMS value of the AC plus DC parts of the signal is calculated and displayed. | ||||
| % Deviation | Displays % deviation from entered reference value. | ||||
| Ax+b | Linear scaling of results, with offset. | ||||
| Limits | Reading displayed with HI, LO, or PASS with respect to user-defined high and low limits | ||||
| Min/Max | Minimum and maximum reading stored | ||||
| Power | Calculates V2/R and displays in Watts with respect to a user-defined impedance. | ||||
| VA | Calculates and displays Volts x Amps | ||||
| Data Logger | Manual or automatic storage of 500 measurements. Storage interval 1s to 9999s or at the measurement sample rate, manually from keyboard, or by external triggering. | ||||
| Digital Interface | Full digital remote control facilities are available through the RS232, LAN, USB and GPIB interfaces.(AC line power is required for RS232, LAN and GPIB interfaces.) |
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| RS232 | Standard 9-pin D-connector. Baud rate 9600. | ||||
| USB | Standard USB 2.0 hardware connection. Host Powered. | ||||
| LAN | Ethernet 100/10base-T hardware connection. | ||||
| LXI Conformance | 1.4 LXI Core 2011. | ||||
| GPIB | Conforms with IEEE488.1 and IEEE488.2. | ||||
| Remote Command Processing Time |
Typically <100ms. | ||||
| Software Supplied | |||||
| IVI Driver | An IVI driver for Windows is supplied. | ||||
| LV/CVI Driver | Full installation for CVI and LabVIEW instrument drivers | ||||
| USB Driver | An installation file is supplied calling a standard Windows* USB driver. | ||||
| Power Requirements | |||||
| AC Input | 220V-240V or 110-120V AC ±10%, 50/60Hz, by internal adjustment; 20VA max. Installation Category II. | ||||
| Batteries | Internal rechargeable Nickel Metal Hydride | ||||
| Battery Life | > 20 hours with the backlight enabled. Battery life can be increased to > 35 hours with the backlight disabled. | ||||
| General | |||||
| Operating Range | +5°C to + 40°C, 20% to 80% RH | ||||
| Storage Range | -20°C to + 60°C | ||||
| Environmental | Indoor use at altitudes up to 2000m, Pollution Degree 2. | ||||
| Safety and EMC | Complies with EN61010-1, EN61010-2-030, EN61010-2-033 & EN61326-1. | ||||
| Security | Kensington security slot incorporated | ||||
| Size | 250(W) x 97(H) x 295(D)mm in bench-top configuration 213.5(W) x 86.5(H) x 269(D)mm (2U/ ½ - rack) in rack mount format |
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| Weight | 3.2kg | ||||
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Additional Information
| SKU | 58122-1000 |
|---|---|
| Manufacturer Part Code | 58122-1000 |
