Overview
Features
• Primary gas flow measurements, NIST traceable with accuracy of ±0.5%
• Suitable for verifying vacuum and pressure pumps, rotameters, setting instrument panels, calibrating gas chromatographs, etc.
• Wide choice of operating ranges
• Completely field portable, rechargeable Ni-Cad battery powered provides up to 8 hours of use
• One button control, auto shut off battery saver
• Instant readout of flow rates
• Not affected by temperature or humidity changes, accurate at any altitude
All calibrators include AC adapter/charger, soap solution, dispenser bottle & operating manual.
Documents
Calibration and repair
Send it to our Montreal service team. We evaluate the instrument and send a detailed quote before any work starts.
Questions, answered
How fast will I get a price?
Send the quote request and a specialist replies within 4 business hours, Monday to Friday, 8:00 to 4:30 ET.
Can we pay on account or by purchase order?
Yes. With established credit, terms are Net 30 days, and you can send your purchase order with the quote request. We also accept Visa, Mastercard and American Express.
How is shipping charged?
On quotes and account orders, freight is F.O.B. Montréal: the carrier charge is worked out at shipment from the packed weight and dimensions, and added to your invoice. In-stock items can also be picked up the same day in Montréal (8605 rue du Champ-d'Eau).
Can I return it?
Yes, within 30 days of purchase, with a return authorization number from customer service first. A 25% restocking fee applies, unless it is a defect covered by the warranty. Special orders, hazardous materials, flammable liquids and gases can't be returned. Return policy
Can ERE calibrate or repair it?
Yes. Our Montréal service shop calibrates and repairs it in-house. Request service
Related equipment we stock

Gilian® Gilibrator-2
Primary Wet Cell Calibrator For BDX-II Pump | Flow cells: Low 1–250 cc/min | Standard 20–6,000 cc/min | High 2–30 L/min

Zefon® Non-Adjustable Field Rotameter
Accuracy: ±3% | Includes: hose barb, Tygon® tubing & luer adapter

Zefon® DigiCal™ Flow Calibrator
DigiCal 5: 1–6,000 cc/min | DigiCal 30: 0.1–30 LPM | ±0.5% accuracy | Up to 100 hr battery life | 6"W × 12"H × 5"D, 32 oz

Defender 500 Series
5-500 ml/min.