$150 - $200

203 Universal Process Indicator/Transmitter Panel Meter by Jenco

The model 203 is a high performance, industrial grade, universal digital process indicators for current and voltage output transmitters. Programmab1e internal dip switches allows the model 203 to accept inputs of 1-5 mA, 4-20, 10-50 mA, 0-20 mA, 1-5 VDC, 0-5VDC, 1-6 VDC, 1-10 VDC, 0-10 VDC and 1-11 VDC. Two independent excitation voltages are available to power most of the commercially available 2-wire current output transmitters and 3-wire voltage output transmitters.

Internal dip switches in conjunction with the front panel ZERO and SPAN controls, decimal point position select, dummy zero select and polarity select allow the model 203 to be scaled to display in any engineering units.

Part Number: F107950PA

Part Number: 103L-135A-1

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

90550-52 Dampened Bottom-Con Bimetal Thermometer, 3" Dial, 6" L/50-550F/10-290C by Digi-Sense

Accuracy is ±1% full-scale when stem is immersed 2" in liquids or 4" in gases (immerse models with a 2.5" stem length 2" in gases). Measured stem length from the top of the threads to the bottom tip of the stem. Stem dia is 0.25"; threaded connection is 1/2" NPT(M). All thermometers meet or exceed ASME B40.3 standards. Maximum environmental temperature for glass lens thermometers is 500°F (148°C).

• Dampened movement
• More economical than silicone gauges
• Greater temperature range than a silicone-filled gauges
• Anti-parallax dial for accurate readings
• Eliminate the risk of a leaking case and cross-contamination
• Rugged 304 stainless steel construction with a clear glass lens
• Recalibrate using the external reset screw
• Hermetically sealed per ASME B40.3 standard to prevent fogging and protect against tough environments

Part Number: HU-LCD

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

Part Number: 221L-335

Part Number: 221L-50-250

M016-0002-000 UNI 321 Maintenance-Free Single Gas Detector, MP103 (3 Years), H2S, Measuring Range: 100 ppm, Resolution: 0.1 ppm - M016-0002-000 by mPower Electronics

The UNI 321 is a disposable or maintenance-free version of UNI single gas detector. It detects hydrogen sulfide (H₂S) or carbon monoxide (CO) in a selection of models with operating lives of 24 months (MP102) or 36 months (MP103). The detectors have large LCDs providing maximum readability in the field. Six bright red LEDs allow for quick alarm notification. Constructed of strong and durable material, the UNI 321 is designed to be comfortable, yet drop-resistant. The UNI detectors can easily be bump tested and calibrated using the CaliCase System.

Features, Functions and Benefits

• Simple GO, NO-GO!
• No Maintenance needed for life of instrument (except when used under extreme conditions)
• Low cost of ownership
• Large Display shows remaining operating time or alarm condition (For concentration display use UNI MP100)
• Durable Housing
• Solid stainless-steel Alligator Clip
• 50% larger single-cell Battery
• Daily functional Self-Test
• 50 Event Datalogging
• Docking Station for calibration and event download
• UL Classification Class 123, Groups ABCDEFG

K-1510A Ammonia Test Kit: CHEMetrics, 0-60 & 60-600 ppm by AquaPhoenix

Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The resulting precipitate interferes with color comparison. The refill has a 5-month shelf life when stored in the dark and at room temperature. This shelf life can be extended by 18 months if the refill is refrigerated.

72326 Nature DX 12x50mm Roof Binoculars by Celestron

Celestron's award-winning Nature DX 12x50mm binoculars are the perfect companion for your next outdoor adventure. The views through Nature DX rival those of more expensive binoculars at a price to fit your budget.

This versatile, all-around binocular is an excellent choice for the trail, the stadium, the arena, or just about anywhere you want a close-up view of the action without sacrificing brightness or detail. It's an especially great companion for nature observation and bird watching, with phase-coated BaK-4 prisms and a close focus of just 8.2 feet.

Coatings and Prisms

Nature DX features fully multi-coated optics. A binocular is "fully multi-coated" when all air-to-glass surfaces are coated with multiple layers of anti-reflectivity coatings so that the maximum amount of light passes through the glass to the eye.

The prisms inside Nature DX consist of high-quality BaK-4 glass with phase coatings applied so that more light reflects off their internal faces and passes through to the eye.

Taken together, the fully multi-coated lenses and BaK-4 prisms maximize light transmission for the remarkably bright, highly detailed images.

The Body

A durable rubber armored polycarbonate housing protects your Nature DX binoculars from damage without weighing you down. Viewing through Nature DX is comfortable for eyeglass wearers and non-eyeglass wearers alike, thanks to the durable twist-up eyecups. Twist through multiple click stops to find the position that works best for you.

What's more, the binocular is fully waterproof and filled with dry nitrogen gas to prevent internal fogging of the lenses. Nature DX can stand up to even the harshest outdoor conditions.

Perfect for a Variety of Uses

The Nature DX 12x50mm offers 12x magnification, perfect for up-close views of distant subjects. Despite its higher magnification, this binocular maintains a close focus of just 8.2 feet, making it a great choice for viewing nearby birds, butterflies, plants, and more. The 50mm objective lenses are large enough to transmit lots of light, while still being lightweight enough to use without a tripod. Of course, the binoculars are also tripod-adaptable (adapter sold separately) for extended viewing sessions or digiscoping (photography through the eyepiece).

Ways to Observe

Carry your Nature DX with the comfortable included strap. It's also tripod-adaptable, so you can mount it on any standard photographic tripod for extended viewing or digiscoping (photography through the eyepiece). The tripod adapter is sold separately. The binocular also includes a protective padded nylon case for storage and transport.

• Phase coated BaK-4 prisms produce vivid, true-to-life colors
• Fully multi-coated optics deliver maximum light transmission through the optical path
• Eyeglass friendly - generous eye relief and sturdy, twist-up eyecups with multiple stops
• 8.2' close focus
• Accepts an optional tripod adapter for extended viewing sessions

Part Number: 221L-383B