❄️ CDS-30 Cryo-Dipstick: Precision Cryogenic Level Measurement
The CDS-30 Cryo-Dipstick by Cryogenic Instruments LLC is a handheld, digital measurement tool engineered for accurate liquid level detection in cryogenic storage tanks and dewars. Designed to replace traditional wood or composite dipsticks, the CDS-30 offers enhanced precision, speed, and safety for professionals working with liquid nitrogen (LN₂).
🔍 Key Features:
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Digital Readout: LCD display with user-selectable units (inches or centimeters)
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High Accuracy: Factory-calibrated transducer with ±1% full-scale precision
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Durable Construction: Stainless steel probe, silicone grip and tubing, with ABS manifold
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User-Friendly Operation: One-button activation with visual and audible feedback
- Wall Mount Hanger: For convenience and easy access and storage
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Battery Powered: 9V battery supports ~1500 measurements per cycle
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Safety-Oriented Design: Coil tubing and sealed electronics for cryogenic environments
🧪 Applications:
Ideal for use in:
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Dewars and cryo-flasks
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Open-atmosphere vacuum-insulated tanks
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Laboratory and industrial cryogenic open tank systems
Whether you’re monitoring LN₂ levels in a research lab or managing cryogenic inventory in industrial settings, the CDS-30 delivers reliable, repeatable measurements with minimal training and maximum effectiveness.
CDS-30 Cryo-Dipstick – Technical Specification Sheet
Model: CDS-30
Manufacturer: Cryogenic Instruments LLC
Application: Digital measurement of cryogenic liquid levels in LN₂ dewars, cryo-flasks, and vacuum-insulated tanks
🔧 Mechanical & Electrical Specifications
|
Component |
Specification |
|---|---|
|
Probe Material |
304 Stainless Steel |
|
Maximum Depth |
30 inches (76.2 cm) |
|
Grip Material |
Silicone Rubber Composite |
|
Manifold |
ABS with silicone seals |
|
Tubing |
Polypropylene coil tube, 2 meters |
|
Transducer |
1 psi differential pressure |
|
Battery Type |
9VDC (MN1604B2Z, 522 or equivalent) |
|
Power Consumption |
11 mW (active) |
|
Battery Life |
~1500 measurements per battery |
|
Display Type |
3-digit LCD, 1/10th unit precision |
|
Measurement Units |
Inches (default) or Centimeters (selectable) |
|
Activation |
Momentary push-button with silicone cover |
|
Low Battery Indicator |
“LO BAT” display + red LED + 3-beep alert |
🌡️ Environmental, Compliance & Ratings
|
Parameter |
Specification |
|---|---|
|
Operating Temperature |
5°C to 40°C (Indoor use only) |
|
Humidity Tolerance |
Up to 80% @ 31°C, linearly decreasing to 50% @ 40°C |
|
Ingress Protection |
Not waterproof; do not submerge or spray |
|
FCC Compliance |
FCC Part 15 Subpart B, Class A Digital Device |
|
Safety Features |
Low battery alert, auto shutoff, sealed electronics |
🧪 Operation Overview
-
Power ON: Press and hold push-button for ~1 second
→ Audible beep confirms activation
→ Display shows “rdy” (ready) -
Measurement:
→ Briefly press button before submerging probe
→ Display cycles segments during active measurement
→ Submerge probe to vessel bottom
→ Wait for dual beep confirmation
→ Liquid level displayed -
Repeat Measurement:
→ Press button again to restart sequence -
Power OFF:
→ Auto shutoff after 2 minutes of inactivity
→ Manual shutoff: press and hold button for 5 seconds (beep confirms) -
Low Battery Alert:
→ “LO BAT” appears on display
→ Red “BAT” LED flashes
→ 3 consecutive beeps signal battery replacement needed
CDS-30 DIPSTICK USER MANUAL_2022.02.27
CONTACT US FOR MORE INFORMATION!