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INSTRUKART

INSTRUKART Digital Carbon Monoxide Monitor (Measuring Range: 0-100, 150, 300, 400, or 500 PPM) for Control Alarms, Ventilation Fans | Model: Greystone CMD5B4000

✅ In stock 📉 Price recently dropped
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Grade
😐 Weak Deal
43.93/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$589.00
Listed $899.99
Save $310.99 35% OFF
Analysis Confidence 85%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 29, 2026 4:55 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

😐 Weak Deal
  • 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
  • 💰The price is modestly below what this product ordinarily sells for.
  • 🏷️A 35% cut from the official retail price adds further appeal.
  • 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 5.6/28
Recent Value 7.33/22
Market Standing 20/20
Deal Strength 7/20
Momentum 4/10

📝 Product Overview

🏪 Sold by InstrumentMart(IM)
🚚 Shipping Free Shipping

Product Details

✓Features: Back lit LCD | Front Panel test switch | Remote test switch available |Front Panel bi-colour status LED | Alarm Buzzer| RS-485 network with BACnet or Modbus protocol | Wall or Duct Mounting options| Coverage area of 700m2
✓Measuring Range: 0-100, 150, 300, 400, or 500 PPM | Sensor Type: Electrochemical | Accuracy: ±5 PPM or 5% of reading | Operating Temperature: 20˚C to 50˚C (-4˚F to 122˚F), 15 to 95% RH, 0.9 to 1.1 atm| Sample Method: Diffusion or Low through sample tube for duct mounted models | Stability: <5% signal loss/year | Response Time: 35 seconds for 90% step change
✓Typical Coverage Area: 700 m2 (7500 ft2 ) or 15 m (50 ft) radius| Power Supply: 24 Vdc ± 20% or 24 Vac ± 10%(non-isolated half-wave rectifi­ed)| Consumption: 100 mA max. With all options on | Protection Circuitry: Reverse voltage protected and output limited | Output Signal: 4-20 mA (Active), 0-5 or 0-10 V
✓Buzzer Alarm: 85 db @ 10 cm | Life Expectancy: 5-7 years in air | Optional Communications BACNet or Modbus | Dimensions: Space, 145 x 101 x 64mm (5.7”w x 4”h x 2.5”d) Duct, 145 x 101 x 240mm, (5.7”w x 4”h x 9.5”d)
✓Supply scope: 1 unit of Greystone CMD5B4000 Carbon Monoxide Monitor and Instruction Manual | Applications: Control Alarms, Ventilation Fans or may be connected to Digital Inputs of the BAS for Status Monitoring

⚙️ Specifications

Brand
INSTRUKART
Screen Size
10 inches
Resolution
8K UHD 4320p
Aspect Ratio
1.27:1
Screen Surface Description
Glossy
Screen Finish
Glossy
Refresh Rate
120
Item Dimensions D x W x H
10"D x 3"W x 5"H
Display Resolution Maximum
145 x 101 x 240mm
Response Time
3000 milliseconds
Color
White
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$589.00
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