Prostat PRF-922B, User Manual

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5
Rev. 2 / 3-18-2019
PRF-922B Miniature Two-Point Probe Set
A. Use of Measurement Power Supply
1. The PRF-922B is a high performance micro probed designed for use with a maximum input
voltage of 100 volts. As such, it is capable of delivering an annoying shock to any person touch-
ing the spring-loaded contacts when they are energized.
a. If used with the Prostat PRS-801 Resistance System, the current capability of the micro
probe instrument combina on is limited to a very low, typically harmless level. However, a
dis nct hazard exists in the operator’s reac on to a possible shock.
b. To avoid shock, opera ng personnel should not touch the electrodes, or any exposed me-
tallic parts of the PRF-922B fi xture or cable assembly when power is applied to the probe.
CAUTION
To avoid electrical shock, Do Not Touch the fi xture test electrodes, test bed, or exposed
metal BNC connec ons when power is being applied to the probe.
c. The designed opera ng voltage limit for normal audi ng and laboratory measurements is
100 volts. Exceeding 100 volts greatly increases the risk of personnel shock hazards.
WARNING
Never exceed the maximum applied opera ng test voltage of 100 volts
d. Only quali fi ed instrument repair and test personnel should exceed the 100-volt opera-
on limit, and then do so only under controlled condi Ɵ ons using maximum precau Ɵ ons
against personnel shock.
e. Never, under any condi ons, exceed 500 volts during fi xture test or repair.
B. Other Opera onal Precau ons
1. Do Not Use the PRF-922B Micro Probe if it fails to func on during its con nuity inspec on test.
2. Do Not Use the PRF-922B Micro Probe if it becomes damaged in any way
3. Only Prostat Corpora on authorized, quali fi ed repair personnel may open PRF-922B or PRV-
913B housing, terminal assemblies, or perform product repair. Unauthorized opening of fi xture
or instrument housings, device tampering, or a empted repair will absolutely void product
warranty and completely absolve Prostat Corpora on, its employees, suppliers and representa-
ves of any responsibility, liability, or other, whatsoever.
WARNING
Unauthorized opening of fi xture or instrument housings, device tampering, or a empted re-
pair will absolutely void product warranty and completely absolve Prostat Corpora on of any
responsibility, liability, or other, whatsoever.
4. Do Not Touch Electrode Surfaces. Electrodes will become contaminated with skin oils and
salts, and may become damaged or rendered inaccurate.