$150 - $200

44ES-175-25 44 Liter Single Gas (25 PPM SO2) Ecosmart Refillable Cylinder, Nitrogen Balance by Gasco

The NEW 44-liter refillable, portable cylinder that delivers 29% more calibration gas than the disposable 34-liter cylinders. 44-liter ecosmart cylinders hold pure and mixed gases and are interchangeable with the current 34-liter aluminum cylinders on the market.

Features & Benefits

• 44-liter
• Refillable
• 29% more capacity than the standard 34-liter cylinder
• Portable
• Lightweight
• Interchangeable with 34-liter disposable cylinders
• Increases efficiency
• Holds pure and mixed gases
• Eliminates disposal fees and regulatory paperwork

*Please note we can only ship RKI products to customers within the United States

52248 Ultima 65 - 45 Degree Spotting Scope by Celestron

The most compact model in our Ultima series spotting scopes, the 65 mm refractor features a 45 degree viewing angle and excellent mulit-coated optics packed into a portable and durable refractor design and it comes standard with an 18-55x zoom eyepiece.

This series was designed to perform well in a range of viewing situations, making it a great all-around optical instrument. You'll love it for observing nature and long distance spotting and since it is completely waterproof you can feel comfortable using it in extreme weather. The green rubber optical tube allows for subtle observation in any nature environment. Ultima spotters are a great companion for any nature or outdoor enthusiast. Soft carrying case included.

• 65 mm Refractor Spotting Scope
• Multi-Coated optics
• 45° viewing angle
• 18-55x zoom eyepiece
• Sight tube for quick targeting
• Waterproof
• Soft carrying case
• Limited Lifetime Warranty

Part Number: 103L-248-50

SCT-108.005.03 SCT-EC-MINI Conductivity Mini Controller by ScichemTech

Includes:

• Conductivity probe
• Fixation clamps
• Instruction manual

Features:

• SCT EC MINI online Conductivity controller is an panel Instrument for online monitoring of Industrial process conductivity
• Simple and compact design
• Three ranges of conductivity measurements in on single controller
• Range switch over and constant check can be easily adjusted from the rear panel.
• Unique signal collecting and processing technology.
• Special think film circuit for accurate measurement and stable operations.
• Linearized data and automatic temperature compensations.
• In line measurement and control of conductivity.
• Conductivity electrode is supplied with 5 meter cable.

008-3015-100 Remote Tygon® Sample Draw Kit for Pump-Equipped Multi-Sensor Instruments by RAE Systems

Kit includes

• Stiff 10" (26 cm) aluminum sample probe with replaceable particulate and hydrophobic barrier filters
• 3 hydrophobic barrier filters
• 15' (5 m) Tygon® tubing with Luer style quick connect fittings

615 Single Input Manometer by Test Products International

Single Input Manometer with ±80 inH2O range and 0.01 in H2O resolution. Seven units of pressure: inH2O, mbar, KPa, PSI, mmH2O, mmHg, inHg, Auto power off, Record/Min/Max, Backlight display, Zero function, Trim mode to stabilize readings.

The TPI 600 series is a hand held range of pressure meters and can be summarized as follows.

• TPI 610 Single Input - 4 Function - single unit of pressure
• TPI 615 Single Input - 7 Function - 7 units of pressure
• TPI 620 Dual Input differential 4 Function single unit of pressure
• TPI 625 Dual Input differential 7 Function 7 units of pressure

All these models measure over the range of -40.0 to +120.0 mbar. Each unit has increased resolution of 0.01 mbar and automatically auto-ranges at + 19.00 mbar to 0.1 mbar resolution. Each model is supplied complete with carry pouch, battery and instruction manual.

Features:

• Single input with ±80" H2O range
• Seven units of measure (mbar, kPa, PSI, mmHg, inHg, mmH2O, inH2O)
• Display - 4 digit with backlight
• Smooth - Stabilizes display when measuring fluctuating pressures
• Data Hold - Freezes reading on display
• Min / Max - Records Min/Max readings
• Auto Off: Conserve battery power

Standard Accessories (Included):

• 9V Alkaline battery (A009A)
• Soft Pouch (A600)
• Silicone Tube with 1/4" barbed 1/8" NPT fitting

Part Number: 34L-135N-20

Part Number: 34L-98-10

Part Number: 34L-1

AAA064004 SGT-P Replaceable Single Gas Detector, CO (0~500ppm) by Senko

SGT-P is a single replaceable gas detector designed to detect oxygen deficiency and the presence of toxic gas in the ambient environment. SGT-P is the replaceable type of gas sensor and battery. When activated, SGT-P continuously monitors ambient air for the presence of a specific gas and alerts the user to potentially unsafe exposure with LED, vibrating, and audible alarms in the event that gas concentration exceeds alarm set points.

KEY FEATURES

• Sensor and battery replacement available
• Power on / off functionality
• Configuration via exclusive IR Link