Benchtop Multi-parameter Water Quality Meter LMPWM-A40

Benchtop Multi-parameter Water Quality Meter LMPWM-A40 with 7 inch TFT display measures pH, mV, relative mV, water hardness, and temperature and Ion concentration of the sample. With expanded memory, it stores and recalls up to 1000 readings. Calibration due reminder informs operator to calibrate the meter regularly.

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pH Mode

pH range	-2.00 to 20.00 pH
pH Accuracy	± 0.002 pH
pH Resolution	0.1/0.01/0.001 pH, selectable
pH Calibration Points	1 to 5 Points
pH Buffer Solutions	USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers

ORP Mode

mV Range	± 2000 mV
mV Accuracy	± 0.2 mV
mV Resolution	0.1 mV, selectable
mV Calibration Points	1 Point, only for relative mode

Ion Mode

Ion measurement range	0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection)
Ion measurement accuracy	±0.5% F.S (Monovalent), ±1% F.S (Divalent)
Ion measurement resolution	0.001/0.01/0.1/1
Ion measurement calibration points	2 to 5 points
Ion measurement calibration solutions	0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L
Ion measurement methods	Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction

Water Hardness Mode

Water hardness measurement range	0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3)
Water hardness measurement accuracy	±1% F.S
Water hardness measurement resolution	0.001/0.01/0.1/1
Water hardness calibration points	2 to 5 points
Water hardness calibration solutions	0.01/0.1/1/10/100 mmol/L

Temperature Mode

Temperature measurement range	0 to 105°, 32 to 212°F
Temperature measurement accuracy	± 0.5°C, ± 0.9°F
Temperature measurement resolution	0.1°C, 0.1°F
Temperature measurement calibration points	1 point

Temperature Range

0 to 100°C, 32 to 221°F

Temperature Compensation Mode

Manual or Automatic

Data Hold Function

Manual or Automatic end point detection

Stability Criteria

Standard or high accuracy

Calibration Due Alarm

1 to 31 days

Reset Function

Yes

Memory

Stores up to 1000 sets data

Output

USB communication interface

Connector

BNC Connector

Display

7 inch TFT LCD display

Power supply

DC 12 V, AC adapter, AC 220 V, 50 Hz

Dimension (L × W × H)

240 × 220 × 80 mm

Weight

1.7 kg

Common features Auto read feature to lock and read endpoint measurement
Stability indicator to record stable measurement reading
Reset feature automatically sets all function to default condition
Automatic interval readings, sends the measurement data to the computer/printer
USB communication interface to transfer store data
pH features 1-5 points push button calibration to automatically identify pH buffer
Convenient to select pH buffer standard (USA/NIST/DIN) or custom calibration solutions
Automatic temperature compensation, provides accurate readings over entire pH range
Automatic electrode diagnosis with pH slope, offset display
Alarm when pH readings are out of range
ORP features 1 point offset calibration, can adjust display value to known standard
Relative and absolute millivolt mode of measurement
Water Hardness features 2 to 5 points calibration with high to low concentration
Advanced measurements using different measurement units
Ion features 2 to 5 2 to 5 points calibration, when 8 concentration points are selected
Different concentration units like ppm, mg/l, mol/l, mmol/l for selection
Automatic recognition of ion selective electrode
Different Ion measurement methods for selection
Calibration report with details of calibration standard and slope

Used in multi-parameters based research testing , and quality analysis of water, other general liquids across water plants, food and beverages production units, laboratories, and institutes.

Accessories No.	Name
1	pH electrode
2	Temperature probe
3	pH buffer pouches (4.01/7.00/10.01)
4	Ion selective electrode
5	Ion calibration standard solution 100 and 1000 ppm
6	Water hardness electrode
7	Water hardness calibration solutions
8	Electrode holder
9	Power adapter

Accessories No.	Name of the Ion electrode	Range
1	NH4 [Ammonium] Electrode	5 × 10-6 ~1M
2	Br [Bromide] Electrode	5 × 10-6 ~1M
3	Ca [Calcium] Electrode	5 × 10-7 ~1M
4	Cl [Chloride] Electrode	5 × 10-6 ~1M
5	Cn [Cyanide] Electrode	5 × 10-6 ~0.01M
6	F [Fluoride] Electrode	1 × 10-6 M~Saturation
7	NO3 [Nitrate] Electrode	7 × 10-6 ~1M
8	Ag [Silver] Electrode	1 × 10-7 ~1M
9	Na [Sodium[ Electrode	1 × 10-5 ~1M
10	Cd [Cadmium] Electrode	1 × 10-6 ~0.1M
11	Cu [Cupric] Electrode	1 × 10-8 ~0.1M
12	I [Iodide] Electrode	5 × 10-8 ~1M
13	Pb [Lead[ Electrode	1 × 10-8 ~0.1M
14	K [Potassium] Electrode	1 × 10-6 ~1M
15	S [Sulphide] Electrode	1 × 10-7 ~1M
16	NH3 [Ammonia] Electrode	1 × 10-6 ~1M