Bk-precision 1856D - Manual User Manual

10 temperature extremes causing condensation within the instrument.  Storage Environment: TEMPERATURE: -20°C to +70°C HUMI

11 IN CASE OF 230 V AC, VOLTAGE SELECTOR (on rear panel) SHOULD BE SELECTED TO 230 V POSITION AND THE FUSE SHOULD BE CHANGED ACCORDING TO THE FUSE

12 FIG.2 FRONT PANEL GATE INDICATOR: The gate light, when lit, indicates the main gate is open and measurement is i

13 pF. GATE TIME SWITCH: This switch selects the degree of resolution on the display in all modes except TOTAL. HOLD SWITCH: In the HOLD fun

14           1

15 3-2. Operating Instructions a. Connect the unit up to the AC power. b. Turn on the unit by pushing in the POWER on-off switch. c. Set the FUN

16 pushed in, the signal at input A is routed through a low pass filter (-3 dB point at approximately 100 KHz) before it is applied to the counter.

17 3-5. Total Measurements The totalize mode is used to count the total number of events occurring during a specific time period. Th

18 (1) Baud rate : 9600BPS 1 start bit (0) 8 data bit 1 stop bit (1)

19 WARNING VOLTAGES WITHIN THIS INSTRUMENT ARE SUFFICIENTLY HIGH TO BE LETHAL. COVERS MUST NOT BE REMOVED EXCEPT BY PERSONS QUALIFIED AND AUTHORIZ

2 WARRANTY Warranty service covers a period of one year from the date of original purchase. In case of technical failure within one year, repair

20 standing waves and cable shunt capacitance. Waves propagating along a transmission line will be reflected at its ends if the line is not te

21 DO NOT USE A 10:1 PROBE WITH THE INPUT C. THESE PROBES ARE DESIGNED WITH A 10:1 ATTENUATION FOR AN INSTRUMENT WITH AN INPUT RESISTANCE OF 1 M .

22 Limited One-Year Warranty B&K Precision Corp. warrants to the original purchaser that its product and the component

23 Exclusions: This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alternations or repair

24 rate repair charge includes return shipping to locations in North America. For overnight shipments and non-North America shipping f

3 Introduction Thank you for purchasing our product. Electronic measuring instruments produced by us are high technology products made

4 CONTENTS 1. PRODUCT DESCRIPTION 1-1. Introduction ----------------------------------------------------- (5) 1-2. Technical Specifications

5 1. PRODUCT DESCRIPTION 1-1. Introduction This reciprocal FREQUENCY COUNTER is a microprocessor-controlled instrument for frequency

6 1-2. Technical Specifications  INPUT A CHARACTERISTICS  FREQUENCY RANGE: 0.1 Hz to 100 MHz (DC coupled) 30 Hz to 100 MHz (AC

7 (Table 1)  Max. Input Voltage Level FIG. 1 MAX. Input Level. (Input A)  PERIOD RANGE: 10 nS to 10 S DISPLAY: n/u/m (nano/micr

8  Resolution and Number of Displayed Digits Time Base Selector INT EXT INT EXT INT EXT INT EXT Gate Time 0.01S 0.1S 1S 10S Number Of Dis

9 user selected. OF display is shown when the count exceeds 999 999 999.  HOLD: In the FREQUENCY, PERIOD, TOTAL, RPM modes, measurement in prog