PosiTest HHD Verifiers
Model No. :
Brand : Defelsko
The PosiTest HHD Verifiers are a specialized line of standalone voltmeters (crest meters or jeep meters) developed for field and laboratory verification of both pulse and continuous DC high-voltage holiday detectors. These instruments provide an essential function for quality control protocols, allowing users to independently confirm the accuracy and operational voltage of their high-voltage equipment, ensuring compliance with rigorous international inspection standards.
- Dedicated voltmeter for DC holiday detection
- Verifies voltage accuracy in field or lab
- Essential tool for confirming standards compliance
− Features
- Pulse or Continuous DC Compatibility: Two distinct models are offered: the HHD Verifier is calibrated for verifying pulse-type DC detectors ( to ), and the HHD C Verifier is designed for continuous-type DC detectors ( to ).
- Wide Range Accuracy: Measures voltage across an expansive range with high technical precision, featuring an accuracy of across the entire operational spectrum, ensuring confidence in detector calibration status.
- Traceable Calibration: Each verifier is supplied with a Long Form Certificate of Calibration that demonstrates traceability to NIST (National Institute of Standards and Technology), satisfying key quality system requirements.
- Simple, Field-Ready Operation: Designed for portability and ease of use, featuring simple two-step operation and requiring only AAA batteries with no external power source necessary for field verification.
- High-Resolution Readings: Provides readings with a resolution of Volt steps below and Volt steps above , offering high-fidelity measurement of the detector’s actual output voltage.
+ Application & Standards
+ Resources
+ FAQs
Features
- Pulse or Continuous DC Compatibility: Two distinct models are offered: the HHD Verifier is calibrated for verifying pulse-type DC detectors ( to ), and the HHD C Verifier is designed for continuous-type DC detectors ( to ).
- Wide Range Accuracy: Measures voltage across an expansive range with high technical precision, featuring an accuracy of across the entire operational spectrum, ensuring confidence in detector calibration status.
- Traceable Calibration: Each verifier is supplied with a Long Form Certificate of Calibration that demonstrates traceability to NIST (National Institute of Standards and Technology), satisfying key quality system requirements.
- Simple, Field-Ready Operation: Designed for portability and ease of use, featuring simple two-step operation and requiring only AAA batteries with no external power source necessary for field verification.
- High-Resolution Readings: Provides readings with a resolution of Volt steps below and Volt steps above , offering high-fidelity measurement of the detector’s actual output voltage.
Technical Specifications
Application & Standards
The PosiTest HHD Verifiers are utilized in scenarios where regulatory or project specifications demand independent verification of the holiday detector’s output voltage accuracy, even when the detector has a built-in meter. This ensures that the voltage applied to the coating during inspection, particularly on critical infrastructure like pipelines, tanks, and structural steel, is accurate and complies with the required test standards.
Accessories
Software
FAQs
What is the difference between the HHD Verifier and the HHD C Verifier?
The HHD Verifier (0.5 – ) is optimized for verifying Pulse-Type DC holiday detectors (like PosiTest HHD), while the HHD C Verifier (0.5 – ) is for Continuous-Type DC detectors (like PosiTest HHD C).
Are the PosiTest HHD Verifiers mandatory for inspection?
No. The PosiTest HHD series detectors have a built-in, calibrated voltmeter. However, some industry standards or customer specifications require the use of a standalone voltmeter for independent verification.
What level of accuracy do the HHD Verifiers provide?
Both verifier models are guaranteed to provide voltage measurements with an accuracy of across their respective measurement ranges.
Do the verifiers require an external power source to operate?
No, the verifiers are lightweight and portable, operating solely on AAA batteries and requiring no external power for field use.
How do I ensure a correct measurement when using the verifier?
The critical first step is to ensure that a proper ground is established between the high-voltage holiday detector being tested and the verifier unit itself before activating the high-voltage output.
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