- All
- Favorite
- Popular
- Most rated
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-7000 |
| Pricing | Available Upon Request |
| Control Channels | 2 / 4 / 6 / 8 channels |
| Operating Temperature | 0–70 °C |
| Relative Humidity | ≤93% RH (non-condensing) |
| Input Signal | 4–20 mA (calibratable within 2–30 mA) |
| Display Range | 0–9999 (numeric), or time format (YYYY-MM-DD HH:MM:SS) |
| Analog Bar Graph | 0–100% FS |
| Communication Interface | RS-485 digital output |
| Alarm Relay Output | SPST dry contact, rated AC 220 V / 3 A or DC 24 V / 3 A |
| Alarm Functionality | Dual-stage audible/visual alarm with time-stamped event lockout |
| Data Retention | Non-volatile memory for operational history (power-on/off, alarm, fault, reset, calibration) |
| Local Calibration | Supported for connected transmitters |
| Compliance | GB 16808–1997 |
| Measurement Accuracy | ±1% FS |
| Display Resolution | 1 digit |
| Alarm Setpoint Range | 0–9999 (user-configurable) |
| Display Mode | Dual-channel — numeric LED + analog bar graph |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HK-7200A |
| Price | Upon Request |
| Detection Principle | Metal Oxide Semiconductor (MOS) |
| Display | OLED, Bilingual (Chinese/English) |
| Operating Temperature | -40 °C to +70 °C |
| Atmospheric Pressure Range | 86–106 kPa |
| Measurement Range Options | 0–100 ppm, 0–200 ppm, 0–500 ppm, 0–1000 ppm, 0–2000 ppm |
| Resolution | 1 ppm |
| Accuracy | ±5% FS |
| Response Time (T90) | ≤30 s |
| Alarm Output | Dual-level visual (LED) and relay |
| Signal Outputs | 4–20 mA, CAN bus, RS485 |
| Transmission Distance | 4–20 mA ≤1000 m (2.5 mm² cable), CAN ≤10 km, RS485 ≤1.2 km |
| Power Supply | DC 18–30 V |
| Wiring | 3-wire or 4-wire configuration |
| Power Consumption | ≤2 W |
| Explosion Protection | Ex d IIC T6 Gb |
| Ingress Protection | IP66 |
| Compliance Standard | GB 12358–2006 |
| Sampling Method | Natural diffusion |
| Sensor Interface | Hot-swappable, plug-and-play MOS sensor module |
| Firmware Architecture | 32-bit embedded microcontroller |
| Brand | Huakeyi |
|---|---|
| Origin | Beijing, China |
| Model | HK-7200A/7201 |
| Instrument Type | Fixed-mount (online) gas detector |
| Detectable Gases | HCN, CO, and other toxic gases |
| Response Time (T90) | ≤15 s |
| Measurement Accuracy | ±1% FS |
| Measurement Range | (0–100)% LEL |
| Detection Principles | Infrared (IR), Electrochemical (EC), Metal Oxide Semiconductor (MOS), Photoionization Detection (PID) |
| Display | Dual-language OLED (Chinese/English) |
| Output Signals | 4–20 mA analog + optional RS485 Modbus RTU |
| Power Supply | DC 18–30 V |
| Enclosure Rating | IP66 |
| Explosion Protection | Exd II CT6Gb |
| Compliance Standards | GB 15322.1–2003, GB 12358–2006 |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | Digital Multi-Principle Gas Detector Platform (5 Sensing Technologies) |
| Pricing | Upon Request |
| Brand | Huakeyi |
|---|---|
| Origin | Beijing, China |
| Model | HK-7100A / HK-7101 |
| Instrument Type | Fixed Online Gas Detector |
| Detectable Gases | CH₄, CO₂, HC (hydrocarbons), and other combustible/toxic gases |
| Measurement Principle | Infrared (IR) and Catalytic Bead (Pellistor) |
| Response Time (T90) | ≤10 s (catalytic), ≤15 s (IR) |
| Accuracy | ±3% FS (full scale) |
| Measurement Range | CH₄: 0–100% LEL |
| CO₂ | 0–5000 ppm, 0–2%, 0–5%, or 0–100% vol (configurable) |
| Display | Dual-language OLED (Chinese/English) |
| Output Signal | 4–20 mA analog + optional RS485 Modbus RTU |
| Power Supply | DC 18–30 V (bus- or zone-powered) |
| Enclosure Rating | IP66 |
| Operating Temperature | −40 °C to +70 °C |
| Explosion Protection | Ex d II C T6 Gb |
| Compliance | GB 15322.1–2003 |
| Wiring | 3-wire or 4-wire |
| Power Consumption | ≤5 W |
| Atmospheric Pressure Range | 86–106 kPa |
| Transmission Distance | 4–20 mA ≤1000 m (2.5 mm² cable) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Detection Principle | Catalytic Combustion |
| Model Variant | HK-7100A (Catalytic Bead Configuration) |
| Pricing | Available Upon Request |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HK-7000 |
| Pricing | Available Upon Request |
| Input Signal | 4–20 mA (calibratable within 2–30 mA) |
| Display | 4-digit LED (0–9999), real-time clock (YYYY-MM-DD HH:MM:SS), bar-graph %FS indication |
| Output | RS-485 Modbus RTU digital interface |
| Relay Outputs | SPST dry contact, rated AC220V/3A or DC24V/3A |
| Operating Temperature | 0–70 °C |
| Relative Humidity | ≤93% RH (non-condensing) |
| Data Retention | Non-volatile memory with power-loss-proof event logging (“black box”) |
| Enclosure Options | Wall-mounted unit or modular rack-mount cabinet (10–60 channels) |
| Dimensions (Unit) | 80 × 210 × 60 mm (W × H × D) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HK-7200A Digital Multi-Principle Gas Detector |
| Pricing | Available Upon Request |
| Detection Principle | Photoionization (PID) |
| Measurement Range | 0–20 ppm, 0–100 ppm, 0–200 ppm, 0–500 ppm, 0–1000 ppm, 0–2000 ppm |
| Resolution | 1 ppm |
| Accuracy | ±3% FS |
| Response Time (T90) | ≤30 s |
| Operating Temperature | −40 to +55 °C |
| Atmospheric Pressure Range | 86–106 kPa |
| Output Signals | 4–20 mA, CAN Bus, RS485 |
| Max Transmission Distance | 1000 m (4–20 mA, 2.5 mm²), 10 km (CAN), 1.2 km (RS485) |
| Supply Voltage | DC 18–30 V |
| Wiring | 3-wire or 4-wire |
| Power Consumption | ≤2 W |
| Explosion Protection | Ex d IIC T6 Gb |
| Ingress Protection | IP66 |
| Compliance Standard | GB 12358–2006 |
| Display | High-brightness OLED, bilingual Chinese/English interface |
| Operation Modes | Magnetic stylus & bidirectional infrared remote |
| Sensor Interface | Hot-swappable, auto-diagnostic, multi-principle sensor platform (PID, electrochemical, catalytic bead, infrared, MOS) |
| Compatible Gases | VOCs and selected toxic gases (e.g., benzene, toluene, xylene, styrene, acetone, isopropanol, chlorinated hydrocarbons) |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-7000 |
| Pricing | Available Upon Request |
| Display | 320×240 dot-matrix LCD with Chinese interface, 8 channels per screen, configurable screen refresh interval (1–9 sec) |
| Measurement Range | Dependent on connected detector type |
| Accuracy | ±1% F.S. |
| Maximum Detector Capacity | 32 units |
| Alarm Levels | Dual-stage (Level 1 & Level 2), user-configurable thresholds |
| Alarm Output | 8 shared relays for 32-channel alarm and fault signaling (DC 24 V / 5 A or AC 220 V / 5 A) |
| Operating Temperature | 0–40 °C |
| Operating Humidity | ≤93% RH at 40 °C (non-condensing) |
| Atmospheric Pressure | 86–106 kPa |
| Input Signal | CAN bus or 4–20 mA analog |
| Maximum Communication Distance | ≤10 km |
| Power Supply | AC 220 V ±15%, 50/60 Hz |
| Detector Power Output | DC 24 V (max. 5 A) |
| Backup Power | 2 × 12 V / 7 Ah sealed lead-acid batteries |
| Power Consumption | ≤150 W |
| Compliance Standard | Q/HDHKY023-2006 |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Pricing | Available Upon Request |
| Brand | Huakeyi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | HK-7501 |
| Price Range | USD 14,000 – 42,000 |
| Instrument Type | Online Analyzer |
| Measurement Method | Nessler Reagent Spectrophotometry |
| Measurement Range | 0–10 mg/m³ (customizable) |
| Detection Limit | 0.05 mg/m³ |
| Zero Drift | ±1% FS/month |
| Cycle Time | 5 min |
| Heating Temperature | 180–240 °C |
| Sample Flow Rate | 4–5 L/min |
| Reagent Consumption | Nessler Reagent 1 L/month, Potassium Sodium Tartrate Solution 0.5 L/month |
| Ambient Temperature | −10 to 50 °C |
| Power Supply | AC 200–240 V |
| Power Consumption | ≤1 kW |
| Compressed Air | 0.6–0.8 MPa |
| Enclosure Dimensions | 850 × 600 × 1780 mm (L×W×H) |
| Analog Output | 1 channel (0–10 mA / 0–20 mA / 4–20 mA, isolated, max load 750 Ω) |
| Relay Outputs | 3 channels |
| Communication Interface | RS485 |
| Filtration Precision | 2 µm (metal-ceramic composite membrane) |
Show next