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WOHLER

WOHLER is a German manufacturer of diagnostic and inspection equipment for industrial, commercial, and environmental applications. The company is known for its pipe inspection camera systems, thermocouple thermometers, and temperature/humidity measurement instruments. WOHLER products are designed for field use, with emphasis on rugged construction, reliable measurement accuracy, and practical features such as push-button controls, SD card storage, and integrated locators. The product range includes pipe inspection camera reels (VIS series) with cable lengths up to 100 ft, capable of inspecting pipes from 1.5 in to 8 in diameter, with optional locator integration for precise defect positioning. Thermocouple thermometers like the MPN 6622 offer Type K compatibility, measuring from -328°F to 2,498°F with accuracy of ±0.3% + 0.7°F, and include Min/Max temperature logging. WOHLER also supplies specialized probes for gas applications (wall temperature probes, MPN 4651) and surface penetration probes (MPN 6629), both Type K with straight handles and temperature ranges from -32°F to 1,202°F. Dew point indicators (MPN 6808) provide ambient temperature and dew point measurement in a compact, cabled format. Build standards across the line emphasize IP-rated enclosures where applicable, though specific IP ratings vary by model. 3G Electric stocks 32 SKUs of WOHLER equipment, including pipe inspection systems, thermocouple meters, probes, and humidity meters, with full datasheets and logistics support for global shipment. The product line serves maintenance engineers and plant managers who require portable, accurate diagnostic tools for HVAC, plumbing, industrial process control, and environmental monitoring. WOHLER’s focus on practical, field-ready instrumentation makes it a reliable choice for routine inspection and troubleshooting tasks where measurement integrity and ease of use are critical.

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About WOHLER

WOHLER is a German manufacturer of diagnostic and inspection equipment for industrial, commercial, and environmental applications. The company is known for its pipe inspection camera systems, thermocouple thermometers, and temperature/humidity measurement instruments. WOHLER products are designed for field use, with emphasis on rugged construction, reliable measurement accuracy, and practical features such as push-button controls, SD card storage, and integrated locators. The product range includes pipe inspection camera reels (VIS series) with cable lengths up to 100 ft, capable of inspecting pipes from 1.5 in to 8 in diameter, with optional locator integration for precise defect positioning. Thermocouple thermometers like the MPN 6622 offer Type K compatibility, measuring from -328°F to 2,498°F with accuracy of ±0.3% + 0.7°F, and include Min/Max temperature logging. WOHLER also supplies specialized probes for gas applications (wall temperature probes, MPN 4651) and surface penetration probes (MPN 6629), both Type K with straight handles and temperature ranges from -32°F to 1,202°F. Dew point indicators (MPN 6808) provide ambient temperature and dew point measurement in a compact, cabled format. Build standards across the line emphasize IP-rated enclosures where applicable, though specific IP ratings vary by model. 3G Electric stocks 32 SKUs of WOHLER equipment, including pipe inspection systems, thermocouple meters, probes, and humidity meters, with full datasheets and logistics support for global shipment. The product line serves maintenance engineers and plant managers who require portable, accurate diagnostic tools for HVAC, plumbing, industrial process control, and environmental monitoring. WOHLER’s focus on practical, field-ready instrumentation makes it a reliable choice for routine inspection and troubleshooting tasks where measurement integrity and ease of use are critical.

Common Applications

  • Plumbing and drainage inspection — WOHLER VIS 200 pipe inspection camera system for locating blockages in 6-inch pipes
  • HVAC system diagnostics — WOHLER thermocouple thermometer MPN 6622 for measuring flue gas temperatures in boilers
  • Industrial process monitoring — WOHLER wall temperature probe MPN 4651 for checking pipe surface temperatures in gas applications
  • Environmental humidity assessment — WOHLER dew point indicator MPN 6808 for evaluating condensation risk in storage facilities
  • Sewer line maintenance — WOHLER VIS 350 PLUS with locator for mapping underground pipe defects up to 8 inches diameter
  • Quality control in manufacturing — WOHLER penetration temperature probe MPN 6629 for verifying material temperatures during processing

Frequently asked questions

Common questions about WOHLER from 3G Electric.

What pipe diameters can the WOHLER VIS 200 and VIS 250 inspect?

The WOHLER VIS 200 (MPN 8937) and VIS 250 (MPN 8932) are designed for pipes with a maximum diameter of 6 inches. The VIS 250 also has a minimum pipe diameter of 1.5 inches. Both systems include a locator for tracking the camera head position and feature a 100 ft cable length, push-button control, and SD card storage for recording inspections.

What is the temperature range of the WOHLER thermocouple thermometer MPN 6622?

The WOHLER thermocouple thermometer MPN 6622 measures temperatures from -328°F to 1,202°F for Type K thermocouples, with an extended range up to 2,498°F. Accuracy is specified as ±0.3% + 0.7°F over the range of -200°F to 2,500°F. The meter includes Min/Max temperature testing functions and cabled data output for logging.

Does the WOHLER VIS 350 PLUS include a locator?

Yes, the WOHLER VIS 350 PLUS (MPN 8931) includes a locator for tracking the camera head inside pipes. It supports pipes up to 8 inches in diameter and has a 100 ft cable length. The system features push-button control and SD card storage for recording inspection footage.

What is the accuracy of the WOHLER wall temperature probe MPN 4651?

The WOHLER wall temperature probe MPN 4651 has an accuracy of ±1°C. It is a Type K thermocouple probe with a straight handle, measuring temperatures from -32°F to 1,202°F (-35°C to 650°C). The probe length is 5.1 inches, making it suitable for gas application measurements.

Can the WOHLER dew point indicator MPN 6808 measure ambient temperature?

Yes, the WOHLER dew point indicator MPN 6808 measures both ambient temperature and dew point. It has a cabled design and dimensions of 4.8 in x 2.4 in x 1 in, with a temperature range of -40°F to 212°F. The device does not include a data logger, but it provides direct readings for environmental monitoring.

Does 3G Electric supply WOHLER products?

Yes — 3G Electric (S) Pte. Ltd. supplies WOHLER products. We stock the WOHLER catalog and supply genuine factory-original products with full manufacturer warranty and technical support.