RM1 is a compact versatile earth resistivity meter with 24 bit data acquisition. The console keyboard allows easy and immediate access to all the main functions, even in harsh environmental conditions. When connected to your laptop via the dedicated software, RM1 becomes an invaluable aid in programming your work and creating tailor-made measuring session (VES geophysics/ERT). Supplied as a bundle with its programming, acquisition and data management software, RM1 not only works in "stand alone" mode but also remotely, connected to any external PC (Windows 7 or higher). This way, the operator can easily create VES tables and customised measurement sessions, making the most of the guided preparation tools. Compatible with any external energiser (max. 1000V - 1A in the standard version, 5A max. in the upgraded version), RM1 is offered in combination with one or more P-200 (200V - 1A) energizers, which can be connected together in series. Completed with the necessary accessories for electrical tomography is able to realize ERT profiles up to a maximum of 32 el.
Key Features:
- 24-bit Sigma-Delta ADC + oversampling for noise reduction
- High resolution: 2nV - 1nA
- A.I. (Artificial Intelligence) function with automatic setting of all acquisition parameters (V, I, Te, T0, Ti, etc.)
- Standard deviation setting (o) to optimize measurement accuracy and acquisition times
- Internal memory > 5000 measurements (standard version)
- Electrical Resistivity Tomography function (ERT) - 32 el. (optional)
- USB data transfer
- Internal battery autonomy: > 1300 continuous measurements (electrical tomography); more than 40h works in SEV mode
- Power supply from external power bank (optional) or PC (via USB)
- Automatic Filtering – oversampling – 50/60Hz noise removal
- Noise reduction with stacking and average of the acquired values
- Autocalibration at start-up
- Connects to any external energy source - max.1000V-1A (5A opt.)
- Light and compact
TECHNICAL SPECIFICATIONS
RM1
2-YEAR WARRANTY
A-B (C1-C2)
CURRENT CIRCUIT
SWITCHING SECTION
Insulation
2500 V galvanic insulation from M-N Unit and USB
Max. Switching Voltage
1000 V (2000 Vpp)
Max. Switching Current
Autoranging 1A (2000 mA pp), 5A optional
Fully protected with Diagnostic
Input Overvoltage (Power Unit supplies more than 1000 V)
Bad Polarity (Power Unit wrong connection)
Internal Fuse blown
Output Overcurrent (short on A-B electrodes or similar)
CURRENT MEASURING SECTION
Technology
High Resolution 24 bit SigmaDelta ADC
Oversampling for noise reduction
High rejection for 50 Hz and 60 Hz noise
Maximum Measurable Current
5A (10000 mA pp)
Theoretical Resolution
1 nA
Technical specifications subject to change without notice
TECHNICAL SPECIFICATIONS
RM1
2-YEAR WARRANTY
M-N (P1-P2)
POTENTIAL CIRCUIT
Insulation
2500 V galvanic isolation from A-B Unit and USB
Technology
High Resolution 24 bit SigmaDelta ADC
Oversampling for noise reduction
High rejection for 50 and 60 Hz noise
Automatic ranging
Maximum Applicable Voltage
+/-1500V
Maximum Measurable
Voltage
+/-250V (500V pp)
Theoretical Resolution
2nV
Input Impedance
10 MOhm
Technical specifications subject to change without notice
TECHNICAL SPECIFICATIONS
RM1
2-YEAR WARRANTY
SYSTEM
Technology
Solid State (no moving parts)
High Performance 32 bit Microprocessor
Display
Graphical Transflective LCD with white Led backlight
Work mode
Stand-alone or PC connected via USB
Artificial Intelligence for the best setting of all measurement parameters
Power Supply
Internal lithium battery rechargeable via USB connector
Measure results
VMN, IAB, VMN/IAB, Resistivity, Self Potential, Induced Polarization
Dynamic Automatic set of all Parameters
Input range, current pulse length, integration intervals, number of stackings, power unit voltage output (only if connected to a PASI compatible energizer)
Precision
> 0.5%
> 0.1% in the range 1 – 1000 Ohm
Dimensions and Weight
270x246x123 mm - 2.9 kg
Shock resistant PELI case IP 67IP 67
Operating temperature range
From -10°C to 50°C
Storage temperature range
From -20°C to +80°C
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