Miernik Rezystancji PRS-801
  • Miernik Rezystancji PRS-801
    Przenośny, precyzyjny miernik rezystancji od 0,1Ω do 2,0 x 1014Ω
    • Accurate Wide Range Resistance Measurements: 0.1 Ω to 2.0x1014 Ω with overall nominal accuracy <±5%; Maximum range 2.0x1014
    • Variable Voltage 0.1 mv to 9.99 V for low resistance measurements
    • Constant Test voltages 10V and 100V for specification measurements to meet international and domestic ESD measurement standards
    • Auto Resistance Range Control
    • Auto Test Voltage Control
    • Automatic Electrification Period adjustment to obtain most accurate measurements
    • 80 Data Point Memory
    • Download to Excel® in batches or individual measurements
    • Fast and Flexible
    PRS-801 to przenośny, precyzyjny miernik rezystancji od 0,1Ω do 2,0 x 1014Ω (200 TΩ) przy dokładności pomiaru rzędu ±5%. Pozwala na pomiary przy regulowanym napięciu od 0,1 mV do 9,99 V i automatycznie zmienia zakresy pomiarowe i napięcia testowe. Pozwala także testowanie połączeń przy wysokim napięciu testowym: 10 lub 100 V, co jest wymagane przy badaniach ESD. Ma pamięć na 80 wyników pomiarów i pozwala na ich przesłanie do Excela®.

    Specyfikacje Techniczne

    RANGE

    Resistance from 0.1 (1.0E-1) Ohms to 200 Tera ohms (2.0E+14 ohms). Maximum Resistivity with ANSI/ESD STM S11.11 concentric ring 2.0E+15 ohms/square.

    TEST VOLTAGES

    Automatic Mode (Default): 0.01 volts to 10 volts Variable 1.0E-1 to 1.0E+4 Ohms

    Constant Voltage:
    10 volts: ± <0.2 volts 1.0E+4 to <1.0E+6 Ohms
    100 Volts: ± <2.0 volts 1.0E+6 to 2.0E+14 Ohms

    Manual Mode: 0.01 volts to 10 volts Variable 1.0E-1 to <1.0E+5 Ohms
    10 volts: ± <0.2 volts 1.0E+2 to 1.0E+9 Ohms
    100 volts: ± <2.0 volts 2.0E+5 to 2.0E+14 Ohms

    ACCURACY

    Overall: ± <5% at ambient conditions (at 23°C and 30% Rh).

    Nominal Range Tolerances:
    1.0E-1 to 1.0E+1Ω: ±5% corrected for test lead resistance
    1.0E+1 to 1.0E+10Ω: ±2.0% with 10’ test leads
    1.0E+11: ±5.0% with 10’ test leads
    1.0E+12: ±12% with 10’ test leads
    1.0E+13 to 2.0E+14Ω: <30% or ±0.25 decade with grounded, shielded lead

    DISPLAY

    Multi-function 2-5/8” x 1-5/8” Liquid Crystal Display with 0.5" digit height.
    Displays 3-1/2 digits in Ohms, or 1.0EXX in exponential format.
    Ohms Display indicators: Ω, KΩ, MΩ, GΩ and TΩ. Includes 19-segment analog scale (1-10 with 0.5 indication) with x1, x10, & x100 multipliers.
    Number of Data Points in Memory (0 – 80).
    Automatic Electrification Time (seconds), or Time required to Manually obtain steady state measurement.
    Displays data HOLD, BATTERY status, MIN, MAX, AVG, REC and Test Voltage (<10, 10, or 100 V)

    LED INDICATORS

    14 Color LED’s from <103 to >1014 ohms.
    Colors (RED, GREEN, YELLOW/ORANGE, or Blank/OFF)

    TIMER

    Times measurements in Seconds up to 99 seconds (Displayed on LCD)

    MEMORY

    Register stores up to 80 data points (MEM # Displayed after RESET)

    RS-232 OUTPUT:

    Digital format: Exponential Power followed by Integer

    ELECTRIFICATION:

    Resistance Range Electrification Period
    0.1 to <1.0E06 Ohms <3.0 seconds
    1.0E06 to <1.0E12 8.0 seconds
    1.0E12 and greater 15.0 seconds

    Note: Electtrification period varies based on conditions & material stability.

    POWER

    Two 9-VDC alkaline batteries. Nominal battery life 25 hours in Automatic
    Greater than 35 hours in Automatic Manual

    DIMENSIONS

    4.0" wide x 6.0" long x 2.0" deep.

    WEIGHT

    22 ounces, with batteries

    OPEN CIRCUIT CURRENT (I)

    <4 ma @ 100 Volts

    RESISTANCE RANGE SELECT

    2 Triangular Arrow Buttons: UP ­ and DOWN ¯.
    Select Resistance Range in single decades in Manual and Automatic/Manual modes.

    TEST VOLTS

    Manual Selection of <10, 10 or 100 volts in Manual Mode

    RECORD/RECALL

    Turns Memory Register ON if OFF. Provides access to all data in Memory Register.
    Calculates and Displays Minimum, Maximum and Average of data stored in Memory Register.

    CLEAR

    Erases all data in Memory Register; if in HOLD mode, discards the most recent Held Value

    ON/OFF

    Power-up, perform functional & Battery tests. Power down if ON.

    BATT. TEST

    Displays GOOD on LCD if acceptable voltage or Lo if unacceptable

    RESET

    Enters (saves) data into Memory Register, Clears HOLD and Display.

    TEST

    Begins measurement sequence.

    BATTERY BUSS CUT OFF

    ON/OFF Switch isolates batteries from instrument circuits for storage & transport

    USEFUL MODES OF OPERATIONS

    Auto Mode:
    The instrument automatically selects and adjusts test voltage, resistance range, electrification period, then displays and Holds the measurement. The displayed measurement is the average of eight consecutive measurements, all within ±5% of each other. The measurement is “saved” in the Memory Register by pressing RESET. The instrument is now ready for the next measurement.

    Manual Mode:
    Allows operator to select resistance decade, test voltage and electrification period (EP).

    Automatic Manual:
    Same as Auto Mode with following exceptions:

    - Allows operator to select starting resistance decade

    - Always starts measurement from the last measurement value without resetting to zero. This extends battery life & speeds up measurement sequence.

    DATA LOG & CALUCULATION

    In RECORD mode, the PRS-801 stores up to 80 measurements, and on demand will calculate and display the Minimum, Maximum and Average measurements stored in the register. Using its RS-232 output and cable accessory, the PRS-801 will communicate with computer serial ports. The instrument is supplied with the new PROSTAT® Audit Program on a 3-1/2 inch disc, which contains spread sheet templates for recording ESD Audit Program Data in Excel® software. The PRS-801 computer output and Program disk are compatible with the Semtronics SCCN® ground monitoring system.

    USAGE RECOMMENDATION

    Designed for Intermittent use. Not intended for continuous use or production applications.

    Pobieranie Plików

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