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  3. HEISE CM-97740

HEISE CM-97740 Dial Subdivision Bourdon Tube Water Pressure Gauge 0-7500

Cm-97740 Heise Dial Pressure Gauge 0-7500 Psi Subdivision - 10 Bourdon Tube

( Brand: Heise ), ( Manufacturer Part Number: CM-97740 ), ( Part Type: Pressure Tube Gauge ), ( Maximum Pressure: 7500 Psi )

Review HEISE Dial Pressure Gauge 0-7500 Psi Subdivision Bourdon'tube

The **Heise CM-97740 Dial Pressure Gauge** is a precision-engineered, high-performance instrument designed for demanding industrial, hydraulic, and pneumatic applications where accuracy, durability, and reliability are paramount. This gauge features a robust **Bourdon tube mechanism**, a time-tested technology renowned for its precision and repeatability, ensuring consistent readings even under fluctuating pressure conditions. With a **full-scale range of 0 to 7,500 psi (51.7 bar)**, it excels in environments where high-pressure monitoring is critical, such as in hydraulic systems, test stands, automotive diagnostics, and heavy machinery operations. The gauge s **subdivision of 10 psi** (or approximately 0.7 bar) provides fine granularity, allowing operators to detect even subtle pressure variations with exceptional clarity, which is essential for maintaining optimal system performance and preventing costly failures.

Constructed from **high-quality materials**, the CM-97740 is built to withstand harsh conditions, featuring a **stainless steel case** that resists corrosion, moisture, and temperature extremes, making it suitable for both indoor and outdoor applications. The **anodized aluminum dial** is clearly marked with bold, easy-to-read numerals and indexing, ensuring visibility even in low-light or high-contrast environments. The gauge s **sealed, oil-filled housing** eliminates the need for periodic maintenance, such as refilling or recalibration, while also dampening vibrations to deliver smoother, more stable readings. This design enhances longevity and reduces the risk of internal damage from external shocks or pressure surges.

The **precision-machined brass Bourdon tube** is calibrated to deliver accurate measurements with minimal hysteresis, ensuring that the gauge responds quickly and consistently to pressure changes. The **needle mechanism** is designed with a smooth, low-friction pivot, reducing wear over time and maintaining reliability across extended periods of use. Additionally, the gauge includes a **back pressure port** for easy installation and connection to pressure lines, while the **NPT (National Pipe Thread) male connection** ensures a secure, leak-proof fit. For added convenience, the CM-97740 is equipped with a **quick-connect fitting**, simplifying installation and removal without the need for additional tools.

Beyond its technical specifications, the Heise CM-97740 is engineered with **user ergonomics in mind**, featuring a **large, easy-to-read dial** that can be mounted in various orientations, including vertical or horizontal positions, depending on the application. The gauge s **durable mounting flange** allows for flexible installation on panels, machinery, or test rigs, while its **IP65-rated sealing** ensures protection against dust and water splashes, making it ideal for industrial environments where cleanliness and protection are concerns. Whether used in hydraulic testing, automotive diagnostics, or process control systems, this gauge delivers **uncompromising accuracy, durability, and ease of use**, making it a trusted choice for professionals who demand precision in high-pressure applications.

### **Pros and Cons of buying a Heise CM-97740 Dial Pressure Gauge (0-7500 psi, 10 psi Subdivision, Bourdon Tube)**

#### **Pros:**

1. **High Accuracy and Precision** The gauge is designed with a **10 psi subdivision**, meaning it can measure pressure changes as small as 10 psi, making it suitable for applications requiring fine control (e.g., hydraulic systems, pneumatic testing, or industrial processes).

2. **Wide Pressure Range (0-7500 psi)** The gauge covers a broad range, making it versatile for high-pressure applications such as **hydraulic presses, automotive brake systems, or heavy machinery testing**.

3. **Durable Construction** Heise is a reputable brand known for **high-quality, long-lasting pressure gauges**, often featuring **stainless steel casing, corrosion-resistant materials, and reinforced glass** to withstand harsh environments.

4. **Bourdon Tube Mechanism** This type of pressure sensor is **reliable, mechanically robust, and less prone to electronic failure** compared to digital gauges, making it ideal for industrial use where reliability is critical.

5. **Easy to Read** The **large dial face** and clear markings ensure quick, accurate readings without the need for additional tools or calibration.

6. **Compatibility with Various Fluids** Many Heise gauges are designed to work with **water, oil, air, and other common fluids**, though it s best to confirm the specific model s fluid compatibility.

7. **Low Maintenance** Unlike electronic gauges, Bourdon tube gauges require **minimal upkeep**, primarily involving occasional calibration and visual inspection for leaks or damage.

8. **Industrial-Grade Build** Suitable for **shop floor, manufacturing, and field applications** where ruggedness is essential.

9. **Backed by Warranty** Heise products typically come with **manufacturer warranties**, providing some assurance against defects.

10. **Cost-Effective for High-Pressure Needs** While not the cheapest option, its **durability and precision** often justify the investment in long-term use.

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#### **Cons:**

1. **Limited Digital Features** Unlike electronic or digital pressure gauges, this model **does not provide data logging, remote monitoring, or connectivity** (e.g., Bluetooth, USB). If digital recording is needed, a separate device would be required.

2. **Manual Calibration Required** Over time, Bourdon tube gauges may **drift**, requiring **periodic recalibration** (typically every 1-2 years) for accuracy, which adds maintenance effort.

3. **Potential for Glass Breakage** The **glass face** can crack or shatter if subjected to **sudden pressure spikes, extreme temperature changes, or physical impact**, risking injury and gauge failure.

4. **Less Suitable for Extreme Environments** While durable, **extreme temperatures, high humidity, or corrosive environments** may degrade the gauge over time if not properly maintained.

5. **No Built-In Overload Protection** If the pressure exceeds the **7500 psi limit**, the gauge could be **permanently damaged**, unlike some electronic gauges with built-in safeguards.

6. **Higher Initial Cost Compared to Basic Gauges** While reasonable for its specifications, it may be **more expensive than simpler, lower-range gauges** (e.g., 0-1000 psi models).

7. **No Zero Adjustment** Unlike some digital gauges, **manual zeroing is not possible** if the gauge reads incorrectly at zero pressure, it must be recalibrated.

8. **Not Ideal for Rapid Fluctuations** Bourdon tube gauges may **lag slightly** in responding to **very fast pressure changes**, though this is usually negligible for most industrial applications.

9. **Limited Customization** Unlike electronic gauges, you **cannot easily modify** the gauge for different units (e.g., switching between psi and bar) without purchasing a new one.

10. **Potential for Leaks** If the **connection points or seals wear out**, the gauge may **lose accuracy or fail entirely**, requiring replacement of seals or the entire gauge.

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### **Conclusion:**

The **Heise CM-97740** is a **high-quality, mechanically robust pressure gauge** ideal for **industrial, hydraulic, or pneumatic applications requiring precise measurements up to 7500 psi**. Its **Bourdon tube design ensures reliability and durability**, making it a strong choice for **shop floor, manufacturing, or field use** where electronic gauges may be impractical.

However, it is **not suitable** for applications needing **digital recording, remote monitoring, or frequent calibration adjustments**. If **accuracy, longevity, and mechanical simplicity** are priorities, this gauge is an excellent investment. If **digital features, ease of use, or rapid data logging** are needed, a **digital or electronic pressure gauge** may be a better alternative.

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### **Recommendation:** **Buy the Heise CM-97740 if:**

You need a **high-precision, durable gauge** for **hydraulic systems, industrial testing, or high-pressure applications**.

You prefer a **mechanical, low-maintenance** solution over electronic gauges.

Your environment is **not excessively harsh** (e.g., extreme temperatures, corrosive fluids).

You are willing to **periodically calibrate** the gauge for long-term accuracy.

**Consider an alternative if:**

You require **digital data logging, connectivity, or remote monitoring**.

Your application involves **frequent pressure spikes or extreme conditions** that may risk gauge damage.

You need **a lower-cost, simpler gauge** for occasional use (e.g., basic shop work).

You prefer **easier calibration or zero adjustment** (electronic gauges may be better).

**Final Verdict:** For **serious industrial or high-pressure applications**, the **Heise CM-97740 is a reliable, long-lasting choice**. Pair it with **proper calibration practices** and **protective measures** (e.g., pressure regulators, proper mounting) to maximize its lifespan.

Details:

Free shipping only to the lower 48 states. Heise CM-97740 Dial Pressure Gauge 0-7500 PSI Subdivision - 10 Bourdon'tube. Item shipped through USPS. Overall the item is in great condition.

Feel free to contact me with any questions concerning an item. Also, view photos for the best of condition and specs. Heise pressure gauge is used but in good condition.

part #: cm97740 price

  • $274.99

specifications pressureswitchiz:

  • brand: Heise
  • mpn: Cm-97740
  • part type: Pressure Tube Gauge
  • maximum pressure: 7500 Psi

general pressureswitchiz:

  • condition: Used
  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

seller pressureswitchiz:

  • rating: 99.9%
  • # reviews: 2153
  • city: Spartanburg, South Carolina

offer pressureswitchiz:

  • started: April 20, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

payments pressureswitchiz:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

returns pressureswitchiz:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

shipping pressureswitchiz:

  • transit: 3-9 Days
  • service: USPS Ground Advantage
  • cost: $0.00
  • type: Calculated
  • class: Standard
  • carrier: USPS
part type: pressure tube gauge, maximum pressure: 7500 psi,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 18182625719692891,
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  • Used. Offer #1 priced at $274.99 + $0.00 shipping estimate = $274.99* total. Feel free to contact me with any questions concerning an item Heise Dial Pressure Gauge 0-7500 PSI Subdivision - 10 Bourdon Tube.FREE SHIPPING

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