- Uma caixa de década de resistência programável para aplicativos RTD
- Vasta gama e resolução: 1 mΩ a 1 kΩ
- Sem resistência zero
- Precisão padrão de: 0,01%, (Entre em contato com o IET sobre modelos de menor custo / menor precisão)
- IEEE-488.2, RS-232 e opções de interface Ethernet
- Drivers LabVIEW para as versões IEEE-488.2 e RS-232
A broad range of programmable resistance decade boxes for applications requiring a programmable impedance unit, controlled manually and by a computer via an IEEE-488 or an RS-232 interface.
- Wide range and resolution: 1 mΩ to 1 kΩ
- Available at accuracies of : 0.01% (Other accuracies available for a lower price)
- LabVIEW Drivers for IEEE-488.2 and RS-232 Versions
- Special RTD design with no zero resistance
- Programmable "open circuit" and "short circuit" states optional
- Desktop and 19" Rackmount enclosures
- Dual / Combo rackmount models ( examples: dual resistance, resistance & capacitance )
- Contact us for Custom or Built to Order Models
The PRTD-X-6-0.001 part of a broad line of high programmable decade boxes. It provide direct resistance substitution as well as RTD (Resistance Temperature Detector) simulation, in a wide selection of ranges, tolerances and ratings.
The PRTD-X-6-0.001 Programmable RTD Simulator is a precision resistance source with excellent characteristics of stability, temperature coefficient, and power coefficient. These features combined with a low virtually constant zero resistance make for very versatile instruments.
The PRTD-X-6-0.001 Programmable RTD Simulator features two optional special settings. An "open circuit" and a "short circuit". These modes are useful for obtaining reproducible transitions between settings, i.e. break-before-make or to short between settings. The "short circuit": setting also provides a reduced zero resistance.
Operation is both local using convenient direct-reading front panel thumbwheel switches, and remote with optional parallel RS-232, or IEEE-488 interfaces.
Both can provide an optional extra "10" position for each decade.
The PRTD-X-6-0.001 has fixed minimum resistance setting (4 Ω or specified by customer) are suitable for Programmable RTD (Resistance Temperature Detector) simulations. This design virtually eliminates the effect of zero resistance and relay contact resistance, providing the specified absolute accuracy over its entire range.
The programmable decade box employees, high-quality gold-plated tellurium-copper five-way binding posts serve to minimize the thermal emf effects, which would produce errors in dc resistance measurements. All other conductors within the instrument, as well as the solder employed contain no metals or junctions that could contribute to thermal emf problems.
DRIVERS - TEST KEYBOARD
To aid the user in operating the PRS/PCS/PLS, Two “Keyboard” Controller programs - the easiest way to control GPIB or RS232 devices without writing a program - are available from IET. This Keyboard programs automatically finds your device at start-up and it lets you enter just the data that you want to send to the device. This program works with ICS, Measurement Computing and National Instruments controllers.
For GPIB IEEE-488.1 and IEEE-488.2 interface
Download ICS_GPIBkybd_Install.zip
Unzip the file and follow instructions to install. Open the application. You may use the Find Listeners button to confirm that the PRS unit is recognized. Other instruments may also be recognized at this time.
Enter and set the Address to the PRS address. Use the window to send a command string to the PRS, where the command string is constructed as described in the operating manual. A command string might be, for example:
SOURce:DATA resistance string
For Serial RS-232 interface:
Download: ICS_Serkybd_Install.zip
Unzip the file and follow instructions to install. Open the application. Initialize the COM PORT and use the Device Command window to send a command string to the PRS, where the command string is constructed as described in the operating manual. A command string might be, for example:
SOURce:DATA resistance string
ESPECIFICAÇÕES BÁSICAS
Modelos padrão
Modelo | PRS-200 | PRS-201 | PRS-200W | PRS-201W | PRS-202 | PRS-202W | PRTD-X-6-0.001 |
Tipo | Resistência | Resistência de precisão | Resistência de ampla faixa | Resistência de precisão de ampla faixa | Resistência de alta precisão | Resistência de alta precisão de ampla faixa | Simulador de RTD Programável |
Precisão | 1% +70 mΩ | 0,1% + 30 mΩ | 1% + 70 mΩ | 0,1% + 30 mΩ | 0,05% + 15 mΩ | 0,05% + 15 mΩ | 0,01% + 15 mΩ |
Décadas | 7 | 9 | 7 | 9 | 7 | 9 | 6 |
Alcance | 0 a 10 MΩ | 0 - 100 MΩ | 0 a 10 MΩ | 0 - 100 MΩ | 0 a 10 MΩ | 0 - 100 MΩ | 4-1,003,99 Ω |
Resolução | 1 Ω | 0,1 Ω | 1 Ω | 0,1 Ω | 1 Ω | 0,1 Ω | 0,001 Ω |
Tipo de Componentes | Fio de resistência para passos de 0,1 and e inferiores; filme de metal para 1 Ω passos e mais. | Fio de resistência para passos de 0,1 and e inferiores; Resistências enroladas, não-indutivas seladas para 1 Ω passos e mais. | |||||
Max. Carga* | 0,5 A, 200 V (dc + pico de corrente alternada), 0,2 W / etapa, 2 W unidade, o que aplicável primeiro. * | 3 A, 200 V (cc + pico de corrente alternada), 0,5 W / passo, 4,5 W / unidade, conforme o que ocorrer primeiro. * | |||||
Impedância Residual | <450 mΩ | <600 mΩ | <100 mΩ | <140 mΩ (tipicamente <100 mΩ) | Valor absoluto |
Tempo de comutação : <4 ms por alteração; <7 ms para ≤0,05% unidades
IEEE : conector padrão de 24 pinos GPIB, conforme IEEE-488.2; Conjunto de comandos do SCPI 1994.0; Faixa de endereçamento configurável de hardware ou software de 0 a 30..
RS232: interface DTE macho de 25 pinos em conformidade com EIA-STD-RS-530; Conjunto de comandos do SCPI 1994.0; taxas de dados de 300 a 115200 bps.