This diffusion nitrogen gas detector measures N2 concentration in surrounding air over a 0-100% Vol range. The MH-1200H-S-N2 uses an electrochemical sensor and presents concentration information on a 128 x 64 monochrome LCD. A rear clip and protective cover support carrying during inspection rounds.
Sampling and Measurement Range
The N2 configuration is supplied with one measurement span: 0-100% Vol, covering nitrogen concentration as a percentage by volume. Diffusion sampling checks air at the instrument's sensor inlet. Keep the inlet exposed to the air being checked and follow the instrument instructions for calibration and pre-use checks. When comparing instruments, select the sampling method needed for your procedure: this configuration uses diffusion sampling.
Display, Alerts and Alarm History
Sound, light and vibration provide three forms of alarm indication. The LCD provides concentration information, while adjustable backlight timing allows the display illumination to be set through the controls. The backlight also turns on automatically during an alarm. The instrument stores 100 alarm records that can be reviewed on its screen, allowing the operator to look back at alarm events without connecting to a computer. Battery voltage and charge-percentage checks and a factory reset function are available through the instrument controls.
Technical Specifications
| Model | MH-1200H-S-N2 |
|---|---|
| Measured gas | Nitrogen (N2) |
| Sensor principle | Electrochemical |
| Sampling | Diffusion |
| Measurement range | 0-100% Vol |
| Display | 128 x 64 monochrome LCD |
| Alarm modes | Sound, light and vibration |
| Alarm history | 100 records viewable on the instrument |
| Backlight | Adjustable timing; automatic illumination during an alarm |
| Battery | 2300 mAh rechargeable lithium |
| Operating temperature | -20 to 50 Degree C |
| Housing | ABS housing with protective cover |
| Carrying attachment | Rear clip |
| Dimensions | 131 x 83 x 35 mm |
| Approximate instrument weight | 240 g including protective cover |
Housing and Use Notes
A rechargeable 2300 mAh lithium battery powers the detector. The ABS housing measures 131 x 83 x 35 mm, and the instrument weighs approximately 240 g including its protective cover. Its operating temperature range is -20 to 50 Degree C. Use the instrument within the specified operating conditions and follow your monitoring procedure for setup, checks and alarm handling.
Product photos illustrate the housing shared across this series. Gas labels on the demonstration screen may differ from the selected N2 configuration.
Free Shipping
Free shipping is available on all orders. Shipping methods and carriers may vary depending on the destination, order details, and available logistics options. Full Shipping Policy
Returns Policy
For returns and refunds, please review our full Refund Policy before placing an order. If you need help with an order, contact us before your order has shipped whenever possible. Full Returns Policy
When Will My Order Ship?
For Standard Shipping, we aim to pack and ship out your order within 4 business days. During special periods, such as heavy order processing or local inventory shortages that require deployment, please expect it to take an additional day or two for processing. We ship five days a week, Monday through Friday.
You will receive a shipment confirmation with tracking information via email when your order has shipped. Once you receive this email, we cannot change or cancel your order.
Can I Change The Shipping Address On My Order?
Please contact us immediately via email if you realize that you gave us the wrong shipping address — if it hasn't shipped yet, we might be able to correct it before it goes out the door.If your order ships to the address provided and is returned to us as undeliverable, then you are responsible for paying the cost of shipping again to resend it to you. If you decide you do not want your order reshipped, we'll refund you for the products less the original shipping charges, once your order returns to our warehouse. We'll reach out to you to coordinate your options before re-shipping.
If your order ships to an incorrect address provided at the time the order is placed and is not retrievable, we are not responsible and cannot offer reimbursement.
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Let customers speak for us
My first impression after opening and installing batteries was that this meter is very well built considering the price and manufacturer. I had read some reviews stating that it's amp measurements were not accurate below 5 amps, I haven't seen any issues in any measurements I've taken, even side by side with my fluke meters. I've successfully taken accurate amp, voltage and continuity measurements with this ETCR6920B, the display is nice and legible. I haven't tried storing data and making transfers to a PC yet, the soft case is good enough for storage on a shelf and the test leads are of good quality and rated for 1000v. There's nothing bad to say about this meter especially when you consider the price, it's a really great meter.
Works as described.
